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Cleaneo Classic Cleaneo Module Cleaneo Single AK02.de Drywall Systems 2020-03 Room Acoustics with Knauf Data for Room Acoustic Planning Technical Brochure

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Cleaneo ClassicCleaneo ModuleCleaneo Single

AK02.de

Drywall Systems

2020-03

Room Acoustics with KnaufData for Room Acoustic Planning

Technical Brochure

2 AK02.de Room Acoustics with Knauf

ContentsIntroduction

Description of the contents of this technical brochure .................................................................................................................4Sound Absorption - Requirements for the Insulation Layer................................................................................................ 5

Requirements for the insulation layer ..........................................................................................................................................5

BasicsDefinitions of the Sound Absorption Coefficients ............................................................................................................... 7

Sound Absorption Coefficient ............................................................................................................................................... 8

Cleaneo Classic - Acoustic Board CeilingsData for Room Acoustic Planning ....................................................................................................................................... 10

D127.de Cleaneo Acoustic Board Ceiling .................................................................................................................................10D124.de Cleaneo Acoustic Fire Protection Ceiling ...................................................................................................................22D126S.de Cleaneo Acoustic Board Ceiling SYSTEXX .............................................................................................................23D126U.de Cleaneo Acoustic Board Ceilings UFF for acoustical plaster ...................................................................................25D134.de Free-Spanning Cleaneo Acoustic Fire Protection Ceiling ...........................................................................................27D137.de Free-Spanning Cleaneo Acoustic Board Ceiling.........................................................................................................28

Cleaneo Modules - Acoustic Panel CeilingsData for Room Acoustic Planning ....................................................................................................................................... 31

D145.de Cleaneo Acoustic Panel Ceiling Belgravia ..................................................................................................................31D146.de Cleaneo Acoustic Panel Ceiling Plaza ........................................................................................................................31D147.de Cleaneo Acoustic Panel Ceiling Contur ......................................................................................................................32D144.de Cleaneo Acoustic Panel Ceiling Visona ......................................................................................................................36D148a.de Free-Spanning Cleaneo Acoustic Panel Ceiling .......................................................................................................37

Acoustical Wall Linings and Acoustical FurringsData for Room Acoustic Planning ....................................................................................................................................... 42

W623C.de Cleaneo Acoustic Wall Lining with Board Strips ......................................................................................................42W623D.de Cleaneo Acoustic Wall Lining with Hat-Shaped Channel ........................................................................................42W629C.de Cleaneo Acoustic Furring ........................................................................................................................................42

Acoustical Walls Data for Room Acoustic Planning ....................................................................................................................................... 44

W112C.de Cleaneo Acoustic Wall .............................................................................................................................................44

Cleaneo Single - Individual Absorbers Data for Room Acoustic Planning ....................................................................................................................................... 47

Wall absorber ............................................................................................................................................................................47Ceiling canopy ...........................................................................................................................................................................48Surface absorber .......................................................................................................................................................................49Ceiling canopy ...........................................................................................................................................................................50Baffle ceiling canopy .................................................................................................................................................................51Wall absorbers in frames ...........................................................................................................................................................52Wall absorbers without frames ..................................................................................................................................................53

Usage InstructionsNotes ..................................................................................................................................................................................... 54

Notes on the document .............................................................................................................................................................54Intended use of Knauf systems .................................................................................................................................................54

Introduction

4 AK02.de Room Acoustics with Knauf

Description of the contents of this technical brochureIn this technical brochure, the frequency-dependent absorption values of all acoustic systems pertaining to the room acoustic prognoses from Knauf Gips KG as dependent on the perforation pattern, the construction depth and insulation layer are listed.In addition to the values in tabular form, the curve progression of the frequency-dependent absorption response is represented in a graph.For planar surfaces, the characteristic quantity for the practical sound absorption coefficient is the response between the octave frequencies of 125 Hz to 4000 Hz. Furthermore, the sound absorption coefficient αw is specified as a single value quantity in addition to an NRC (Noise Reduction Coefficient) for the products. The procedure for determination of the rated sound absorption coefficient is explained on the following pages. The American NRC quantity is determined from the αs values as an arithmetic mean value of the third-octave frequencies 250 Hz, 500 Hz, 1000 Hz and 2000 Hz, and rounded off and expressed to the nearest multiple of 0.05.The room acoustic quality for non-planar surfaces, which are surfaces where it is not possible to determine an exact acoustically effective surface, is not defined by an absorption coefficient but rather by an equivalent sound absorption surface. Accordingly, when selecting the absorber, it is necessary to ensure that the practical sound absorption coefficient or the equivalent sound absorption surface is specified.For the majority of the listed items the acoustic quality was determined by measurement in a reverberation chamber in accordance with a standardized test procedure. The results of the tests are compiled in a test certificate and can be requested from the Technical Advisory Service. The values shown in blue are projected absorption coefficients based on an empirical process performed on the basis of a large number of measurements in a simplified procedure as well as experience of the response of absorbent materials with variations in the construction depths, insulation material layers and perforation ratios of the surfaces.E3

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IntroductionDescription

5AK02.de Room Acoustics with Knauf

Requirements for the insulation layerIn this table, the demands on the insulation layer are listed for the Knauf Acoustic Systems with insulation layer shown on the following pages.

Systemproduct

Construc-tion depth

Mineral wool EN 13162 thickness

Length-related flow resistance

Insulation layer - examplesExamples Knauf Insulation

mm mm kPa∙s/m²

D127.de

Cleaneo Classic≥ 65

20 ≥ 11 Akustik-Dämmplatte TP 120 A

Cleaneo Complete 40 ≥ 5 Partition-Dämmplatte TP 115

Designpanel 50 ≥ 11 Akustik-Dämmplatte TP 440

Cleaneo SYSTEXX Acoustic Board65 20 ≥ 11 Akustik-Dämmplatte TP 120 A≥ 80 40 ≥ 5 Trennwand-Dämmplatte TP 115

D124.de2nd grid level - furring channels only

≥ 40.525 Not specified Trittschall-Dämmplatte TPE

2nd grid level - carrying and furring channels 40 ≥ 10 Fire Protection Insulation Board DPF-

401)

D126S.de Cleaneo SYSTEXX Acoustic Board + Cleaneo SYSTEXX Silent

65 20 ≥ 11 Akustik-Dämmplatte TP 120 A≥ 80 40 ≥ 5 Trennwand-Dämmplatte TP 115

D126U.de Cleaneo UFF plaster base board65 20 ≥ 11 Akustik-Dämmplatte TP 120 A≥ 80 40 ≥ 5 Trennwand-Dämmplatte TP 115

D137.deCleaneo Classic

≥ 6520 ≥ 11 Akustik-Dämmplatte TP 120 A

Designpanel 50 ≥ 11 Akustik-Dämmplatte TP 440

D134.de Cleaneo Classic ≥ 90 50 ≥ 16 Fire Protection Insulation Board DPF-50

D145.de Belgravia ≥ 65 50 ≥ 11 Akustik-Dämmplatte TP 440D146.de Plaza ≥ 65 50 ≥ 11 Akustik-Dämmplatte TP 440D147.de Contur ≥ 65 50 ≥ 11 Akustik-Dämmplatte TP 440D144.de Visona ≥ 65 50 ≥ 11 Akustik-Dämmplatte TP 440D148a.de Corridor 400 ≥ 100 50 ≥ 11 Akustik-Dämmplatte TP 440W623C.de Cleaneo Classic 65 20 ≥ 11 Akustik-Dämmplatte TP 120 AW629C.de Cleaneo Classic ≥ 85 20 ≥ 11 Akustik-Dämmplatte TP 120 AW623D.de Cleaneo Classic ≥ 67.5 50 ≥ 11 Akustik-Dämmplatte TP 440

W112C.de Cleaneo Classic 102.5 20 (in the perforated area) ≥ 11 Akustik-Dämmplatte TP 120 A

Ceiling canopy Cleaneo Up ≥ 100 30 ≥ 11 Akustik-Dämmplatte TP 440Surface absorber Cleaneo Smart ≥ 60 40 ≥ 5 Polyester fibre fibercomfort 3140Ceiling canopy Cleaneo Smart ≥ 100 40 ≥ 5 Polyester fibre fibercomfort 3140Wall absorber Cleaneo Smart ≥ 65 20 ≥ 11 Akustik-Dämmplatte TP 120 A

1) Sound absorption tested with Knauf Insulation Fire Protection Insulation Board DPF-40. Required for fire resistance: Mineral wool insulation layer acc. to EN 13162 non-combustible melting point ≥ 1000 °C acc. to DIN 4102-17 (insulating material, e.g. from Knauf Insulation), thickness ≥ 50 mm, density ≥ 50 kg/m3.

Note Should there be demands made regarding the reaction to fire of acoustic ceilings (e.g. non-combustible), it will be necessary to provide proof for all materials, including (incorporated) mineral wool used as an acoustic lining.

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IntroductionSound Absorption - Requirements for the Insulation Layer

Basics

7AK02.de Room Acoustics with Knauf

Definitions of the sound absorption coefficients following EN ISO 11654The building materials and substances used in a room can be sound reflective from an acoustical point of view, so that they have no or very low sound absorbing characteristics. In this case the rated sound absorption coefficient αw is practically 0.In contrast, there are materials that are highly sound absorbing. Should 100% of the impinging sound energy be absorbed, i.e. the sound energy is fully converted to heat energy, the rated sound absorption coefficient αw is practically 1. αs indicates the values of the frequency-dependent sound absorption coefficient measured in a reverberation chamber in third octaves. The practical sound absorption coefficient is formed based on this factor. αp are the values of the frequency-dependent, practical sound absorption coefficient made up of three third octaves. They are frequently used for frequency-dependent prognoses. αw is the rated sound absorption coefficient. It is independent of the frequency and specified as a single value quantity. The determination of the single value quantity is undertaken in accordance with the procedure described on page 8.Shape indicators as suffixes to the rated sound absorption coefficient provide some indication of whether an absorbing material is particularly effective in the low, medium or high frequency range.

The following indicators are used: ■ L, when the product is particularly effective in the low frequency range. e.g. αw = 0.60 (L)

■ M, when the product is particularly effective in the medium frequency range. e.g. αw = 0.70 (M)

■ H, when the product is particularly effective in the high frequency range. e.g. αw = 0.85 (H)

Combinations are possible. e.g. αw = 0.70 (MH)

Note

The Knauf Raumakustikrechner (room acoustics calculator) is available for individual calculation when Knauf acoustic products are employed (currently in German only).http://www.knauf.de/profi/tools-services/tools/raumakustikrechner/

Sound absorption class and descriptive term acc. to VDI 3755Weighted sound absorption coefficientαw

Rating

≥ 0.80 Extremely absorbing0.60 to 0.75 Highly absorbing0.30 to 0.55 Absorbing0.15 to 0.25 Hardly absorbing≤ 0.10 Reflecting

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BasicsDefinitions of the Sound Absorption Coefficients

8 AK02.de Room Acoustics with Knauf

1) Sound absorption coefficientαS = Sound absorption coefficient for third octave bandwidth

frequency-dependent value of sound absorption coefficient acc. to DIN EN ISO 354, measured in third octave bands

αp = Practical sound absorption coefficient from αS on octave bands converted acc. to nach DIN EN ISO 11654

Example for 500 Hz: αp 500 =

Soun

d ab

sorp

tion

coef

ficien

t

2000125 500250 1000 4000

0

0.8

0.4

0.2

0.6

1.0

100

160

200

315

400

630

800

1250

1600

2500

3150

5000

p500

s400s500

s630

Hz

αp αS

α

αα

α

αS400 + αS500 + αS6303

2) Weighted sound absorption coefficientαw = Weighted sound absorption coefficient acc. to

DIN EN ISO 11654Single number parameter of sound absorption coefficient determined from a shifted reference curve (sum of all negative deviations ≤ 0.10) and the point of intersection at 500 Hz acc to DIN EN ISO 11654

Example

3) Shape indicatorsαw with shape indicators = αw (...)

if αp exceeds the reference curve for a single octave frequency by ≥ 0.25 then add suffix:(L) at 250 Hz(M) at 500 or 1000 Hz(H) at 2000 or 4000 Hz

Example (250 Hz): 0.65 - 0.40 = 0.25 (≥ 0.25) = (L) → αw = 0.60 (L)

4) ExampleAlternating circular perforation 12/20/66 R with acoustical fleecePerforation ratio: 19.6 %

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BasicsSound Absorption Coefficient

Cleaneo Classic

Acoustic Board Ceilings

10 AK02.de Room Acoustics with Knauf

D127.de Cleaneo Acoustic Board Ceiling12.5 mm Cleaneo Classic Boards with Acoustical Fleece

Perforation pattern Con-struction depth

NRC αw Frequency-dependent absorption coefficient αp

mm

125 Hz

250 Hz

500 Hz

1000 Hz

2000 Hz

4000 Hz

Standard circular perforation 6/18 R

Perforation ratio: 8.7 %

Without insulation layer

65 0.45 0.50 0.20 0.30 0.45 0.55 0.45 0.45127.01.1

0

0.8

0.40.2

0.6

1.0

2000125 500250 1000 4000 Hz

αp

200 0.45 0.45 0.40 0.45 0.50 0.45 0.40 0.50

400 0.45 0.45 0.40 0.45 0.45 0.45 0.45 0.50

With insulation layer (For requirements on insulation layer see page 5)

65 0.50 0.50 0.35 0.45 0.50 0.50 0.45 0.50127.01.2

0

0.8

0.40.2

0.6

1.0

2000125 500250 1000 4000 Hz

αp

200 0.45 0.50 0.40 0.45 0.50 0.45 0.45 0.50

400 0.45 0.50 0.40 0.45 0.45 0.50 0.45 0.50

Standard circular perforation 8/18 R

Perforation ratio: 15.5 %

Without insulation layer

65 0.55 0.60 0.15 0.30 0.60 0.75 0.65 0.60127.02.1

0

0.8

0.40.2

0.6

1.0

2000125 500250 1000 4000 Hz

αp

200 0.60 0.60 0.45 0.60 0.70 0.60 0.55 0.65

400 0.60 0.60 (L) 0.55 0.65 0.60 0.60 0.55 0.65

With insulation layer (For requirements on insulation layer see page 5)

65 0.65 0.70 0.35 0.55 0.70 0.75 0.65 0.65127.02.2

0

0.8

0.40.2

0.6

1.0

2000125 500250 1000 4000 Hz

αp

200 0.65 0.65 0.50 0.65 0.70 0.65 0.60 0.70

400 0.65 0.65 0.55 0.65 0.60 0.70 0.60 0.65

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Cleaneo Classic - Acoustic Board CeilingsData for Room Acoustic Planning

11AK02.de Room Acoustics with Knauf

D127.de Cleaneo Acoustic Board Ceiling12.5 mm Cleaneo Classic Boards with Acoustical Fleece

Perforation pattern Con-struction depth

NRC αw Frequency-dependent absorption coefficient αp

mm

125 Hz

250 Hz

500 Hz

1000 Hz

2000 Hz

4000 Hz

Standard circular perforation 8/18 R (Complete)

Perforation ratio: 12.6 %

Without insulation layer

65 0.50 0.55 0.15 0.35 0.55 0.60 0.55 0.551.00.80.60.40.20

125 250 500 1000 2000 4000 Hz

αp 127.06.1

200 0.50 0.55 0.40 0.50 0.60 0.55 0.50 0.55

400 0.50 0.50 0.45 0.50 0.50 0.50 0.50 0.55

With insulation layer (For requirements on insulation layer see page 5)

65 0.55 0.60 0.35 0.50 0.60 0.60 0.50 0.551.00.80.60.40.20

125 250 500 1000 2000 4000 Hz

αp 127.06.2

200 0.55 0.55 0.45 0.55 0.55 0.55 0.50 0.55

400 0.55 0.55 0.45 0.50 0.55 0.55 0.50 0.60

Standard circular perforation 10/23 R

Perforation ratio: 14.8 %

Without insulation layer

65 0.55 0.60 0.15 0.30 0.60 0.70 0.65 0.60

02000125 500250 1000 4000

0.8

0.40.2

0.6

1.0

Hz

127.03.1αp

200 0.60 0.60 0.45 0.60 0.65 0.60 0.55 0.60

400 0.60 0.60 (L) 0.55 0.65 0.60 0.60 0.55 0.60

With insulation layer (For requirements on insulation layer see page 5)

65 0.65 0.70 0.35 0.55 0.70 0.70 0.60 0.65127.03.2

0

0.8

0.40.2

0.6

1.0

2000125 500250 1000 4000 Hz

αp

200 0.65 0.65 0.50 0.65 0.70 0.65 0.60 0.65

400 0.65 0.65 0.55 0.65 0.60 0.65 0.60 0.65

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Cleaneo Classic - Acoustic Board CeilingsData for Room Acoustic Planning

12 AK02.de Room Acoustics with Knauf

D127.de Cleaneo Acoustic Board Ceiling12.5 mm Cleaneo Classic Boards with Acoustical Fleece

Perforation pattern Con-struction depth

NRC αw Frequency-dependent absorption coefficient αp

mm

125 Hz

250 Hz

500 Hz

1000 Hz

2000 Hz

4000 Hz

Standard circular perforation 12/25 R

Perforation ratio: 18.1 %

Without insulation layer

65 0.60 0.60 0.15 0.30 0.60 0.80 0.70 0.55127.04.1

0

0.8

0.40.2

0.6

1.0

2000125 500250 1000 4000 Hz

αp

200 0.65 0.65 0.45 0.65 0.75 0.65 0.60 0.60

400 0.65 0.65 (L) 0.55 0.70 0.65 0.65 0.60 0.60

With insulation layer (For requirements on insulation layer see page 5)

65 0.70 0.75 0.30 0.55 0.75 0.80 0.70 0.60127.04.2

0

0.8

0.40.2

0.6

1.0

2000125 500250 1000 4000 Hz

αp

200 0.70 0.70 0.50 0.70 0.75 0.70 0.65 0.65

400 0.70 0.70 0.55 0.65 0.70 0.75 0.65 0.65

Standard circular perforation 15/30 R

Perforation ratio: 19.6 %

Without insulation layer

65 0.60 0.60 0.15 0.30 0.60 0.80 0.65 0.60

0

0.8

0.40.2

0.6

1.0127.05.1

2000125 500250 1000 4000 Hz

αp

200 0.65 0.65 0.45 0.65 0.75 0.65 0.60 0.60

400 0.65 0.65 (L) 0.55 0.70 0.65 0.65 0.60 0.60

With insulation layer (For requirements on insulation layer see page 5)

65 0.70 0.75 0.30 0.55 0.80 0.80 0.65 0.65127.05.2

0

0.8

0.40.2

0.6

1.0

2000125 500250 1000 4000

αp

Hz

200 0.70 0.70 0.50 0.70 0.75 0.70 0.65 0.65

400 0.70 0.70 0.55 0.70 0.65 0.75 0.65 0.65

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Cleaneo Classic - Acoustic Board CeilingsData for Room Acoustic Planning

13AK02.de Room Acoustics with Knauf

D127.de Cleaneo Acoustic Board Ceiling12.5 mm Cleaneo Classic Boards with Acoustical Fleec0e

Perforation pattern Con-struction depth

NRC αw Frequency-dependent absorption coefficient αp

mm

125 Hz

250 Hz

500 Hz

1000 Hz

2000 Hz

4000 Hz

Alternating circular perforation 8/12/50 R

Perforation ratio: 13.1 %

Without insulation layer

65 0.55 0.60 0.15 0.30 0.60 0.70 0.60 0.50127.11.1

0

0.8

0.40.2

0.6

1.0

2000125 500250 1000 4000 Hz

αp

200 0.60 0.60 0.45 0.60 0.65 0.60 0.50 0.55

400 0.60 0.60 (L) 0.55 0.65 0.60 0.60 0.55 0.55

With insulation layer (For requirements on insulation layer see page 5)

65 0.65 0.65 0.35 0.55 0.70 0.70 0.60 0.50127.11.2

0

0.8

0.40.2

0.6

1.0

2000125 500250 1000 4000 Hz

αp

200 0.60 0.65 0.50 0.65 0.65 0.65 0.55 0.55

400 0.60 0.60 (L) 0.55 0.65 0.60 0.65 0.55 0.55

Alternating circular perforation 12/20/66 R

Perforation ratio: 19.6 %

Without insulation layer

65 0.55 0.60 0.10 0.30 0.60 0.80 0.60 0.55

0

0.8

0.40.2

0.6

1.0127.12.1

2000125 500250 1000 4000 Hz

αp

200 0.65 0.60 (L) 0.45 0.65 0.80 0.65 0.50 0.60

400 0.65 0.65(L) 0.60 0.70 0.65 0.65 0.55 0.60

With insulation layer (For requirements on insulation layer see page 5)

65 0.70 0.70 0.30 0.55 0.80 0.85 0.60 0.65127.12.2

0

0.8

0.40.2

0.6

1.0

2000125 500250 1000 4000 Hz

αp

200 0.70 0.70 0.55 0.70 0.80 0.75 0.60 0.65

400 0.70 0.70 0.60 0.70 0.70 0.80 0.60 0.65

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Cleaneo Classic - Acoustic Board CeilingsData for Room Acoustic Planning

14 AK02.de Room Acoustics with Knauf

D127.de Cleaneo Acoustic Board Ceiling12.5 mm Cleaneo Classic Boards with Acoustical Fleece

Perforation pattern Con-struction depth

NRC αw Frequency-dependent absorption coefficient αp

mm

125 Hz

250 Hz

500 Hz

1000 Hz

2000 Hz

4000 Hz

Standard square perforation 8/18 Q

Perforation ratio: 19.8 %

Without insulation layer

65 0.60 0.60 0.10 0.30 0.60 0.80 0.70 0.65127.21.1

0

0.8

0.40.2

0.6

1.0

2000125 500250 1000 4000 Hz

αp

200 0.65 0.65 0.45 0.65 0.75 0.65 0.60 0.70

400 0.65 0.65 (L) 0.55 0.70 0.65 0.65 0.60 0.70

With insulation layer (For requirements on insulation layer see page 5)

65 0.70 0.75 0.30 0.55 0.80 0.80 0.70 0.75127.21.2

0

0.8

0.40.2

0.6

1.0

2000125 500250 1000 4000 Hz

αp

200 0.70 0.75 0.55 0.70 0.75 0.70 0.70 0.75

400 0.70 0.75 0.60 0.70 0.70 0.75 0.70 0.75

Standard square perforation 12/25 Q

Perforation ratio: 23.0 %

Without insulation layer

65 0.60 0.60 0.10 0.30 0.60 0.80 0.75 0.60

0

0.8

0.40.2

0.6

1.0127.22.1

2000125 500250 1000 4000 Hz

αp

200 0.70 0.70 0.50 0.70 0.80 0.70 0.65 0.65

400 0.70 0.70 (L) 0.60 0.75 0.65 0.70 0.65 0.60

With insulation layer (For requirements on insulation layer see page 5)

65 0.75 0.80 0.30 0.60 0.85 0.90 0.75 0.70127.22.2

0

0.8

0.40.2

0.6

1.0

2000125 500250 1000 4000 Hz

αp

200 0.75 0.80 0.55 0.75 0.80 0.75 0.75 0.75

400 0.75 0.75 0.60 0.75 0.70 0.80 0.75 0.70

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Cleaneo Classic - Acoustic Board CeilingsData for Room Acoustic Planning

15AK02.de Room Acoustics with Knauf

D127.de Cleaneo Acoustic Board Ceiling12.5 mm Cleaneo Classic Boards with Acoustical Fleece

Perforation pattern Con-struction depth

NRC αw Frequency-dependent absorption coefficient αp

mm

125 Hz

250 Hz

500 Hz

1000 Hz

2000 Hz

4000 Hz

Random 8/15/20 R

Perforation ratio: 9.9 %

Without insulation layer

65 0.45 0.50 0.15 0.30 0.50 0.60 0.45 0.45127.31.1

0

0.8

0.40.2

0.6

1.0

2000125 500250 1000 4000 Hz

αp

200 0.50 0.50 0.40 0.50 0.55 0.50 0.40 0.45

400 0.45 0.50 0.45 0.50 0.50 0.50 0.40 0.45

With insulation layer (For requirements on insulation layer see page 5)

65 0.50 0.50 0.35 0.45 0.55 0.55 0.40 0.45127.31.2

0

0.8

0.40.2

0.6

1.0

2000125 500250 1000 4000 Hz

αp

200 0.50 0.50 0.45 0.50 0.55 0.50 0.40 0.50

400 0.50 0.50 0.45 0.50 0.50 0.55 0.45 0.45

Random 10/16/22 R

Perforation ratio: 12.6 %

Without insulation layer

65 0.50 0.55 0.15 0.30 0.60 0.70 0.50 0.45127.33.1

0

0.8

0.40.6

0.2

1.0

2000125 40001000500250 Hz

αp

200 0.55 0.55 0.45 0.60 0.70 0.55 0.45 0.45

400 0.55 0.55 (L) 0.50 0.60 0.60 0.55 0.45 0.50

With insulation layer (For requirements on insulation layer see page 5)

65 0.60 0.55 (L) 0.35 0.55 0.75 0.70 0.45 0.50

127.33.2

0

0.8

0.40.6

0.2

500

1.0

125 1000 2000 Hz250 4000

αp

200 0.60 0.55 (L) 0.50 0.60 0.65 0.65 0.45 0.50

400 0.55 0.60 0.50 0.55 0.60 0.65 0.50 0.50

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Cleaneo Classic - Acoustic Board CeilingsData for Room Acoustic Planning

16 AK02.de Room Acoustics with Knauf

D127.de Cleaneo Acoustic Board Ceiling12.5 mm Cleaneo Classic Boards with Acoustical Fleece

Perforation pattern Con-struction depth

NRC αw Frequency-dependent absorption coefficient αp

mm

125 Hz

250 Hz

500 Hz

1000 Hz

2000 Hz

4000 Hz

Random 12/20/35 R

Perforation ratio: 9.8 %

Without insulation layer

65 0.45 0.45 0.15 0.30 0.55 0.55 0.40 0.35

0

0.8

0.40.2

0.6

1.0127.32.1

2000125 500250 1000 4000 Hz

αp

200 0.50 0.45 (L) 0.40 0.50 0.60 0.45 0.35 0.35

400 0.45 0.45(L) 0.45 0.55 0.55 0.45 0.35 0.35

With insulation layer (For requirements on insulation layer see page 5)

65 0.50 0.45 (L) 0.35 0.50 0.65 0.55 0.35 0.35

127.32.2

0

0.8

0.40.2

0.6

1.0

2000125 500250 1000 4000 Hz

αp

200 0.50 0.45 (L) 0.45 0.55 0.60 0.50 0.35 0.40

400 0.50 0.45 (L) 0.45 0.50 0.55 0.50 0.35 0.40

Random perforation RE

Perforation ratio: 13.6 %

Without insulation layer

65 0.50 0.50 0.15 0.30 0.55 0.70 0.45 0.40127.81.1

0

0.8

0.40.2

0.6

1.0

2000125 500250 1000 4000 Hz

αp

200 0.55 0.50 0.40 0.50 0.65 0.60 0.40 0.45

400 0.55 0.55 0.45 0.55 0.55 0.60 0.45 0.45

With insulation layer (For requirements on insulation layer see page 5)

65 0.55 0.55 0.30 0.50 0.65 0.70 0.45 0.45127.81.2

0

0.8

0.40.2

0.6

1.0

2000125 500250 1000 4000 Hz

αp

200 0.55 0.55 0.45 0.55 0.65 0.65 0.45 0.45

400 0.55 0.55 0.45 0.55 0.60 0.65 0.45 0.50

D14.d

eD4

2.de

W62

C.de

W11

C.de

E31.d

eD1

2.de

Cleaneo Classic - Acoustic Board CeilingsData for Room Acoustic Planning

17AK02.de Room Acoustics with Knauf

D127.de Cleaneo Acoustic Board Ceiling12.5 mm Cleaneo Classic Boards with Acoustical Fleece

Perforation pattern Con-struction depth

NRC αw Frequency-dependent absorption coefficient αp

mm

125 Hz

250 Hz

500 Hz

1000 Hz

2000 Hz

4000 Hz

Block perforation Design B4 8/18 R

Perforation ratio: 12.1 %

Without insulation layer

65 0.50 0.55 0.15 0.30 0.55 0.65 0.55 0.50

0

0.8

0.40.2

0.6

1.0127.41.1

2000125 500250 1000 4000 Hz

αp

200 0.55 0.55 0.45 0.55 0.60 0.55 0.50 0.55

400 0.50 0.55 (L) 0.50 0.60 0.55 0.55 0.50 0.55

With insulation layer (For requirements on insulation layer see page 5)

65 0.60 0.65 0.35 0.50 0.65 0.65 0.55 0.55127.41.2

0

0.8

0.40.2

0.6

1.0

2000125 500250 1000 4000 Hz

αp

200 0.60 0.60 0.50 0.60 0.65 0.60 0.55 0.55

400 0.55 0.60 0.50 0.55 0.60 0.60 0.55 0.55

Block perforation Design B4 12/25 R

Perforation ratio: 11.3 %

Without insulation layer

65 0.50 0.55 0.15 0.35 0.55 0.60 0.50 0.40127.71.1

0

0.8

0.40.2

0.6

1.0

2000125 500250 1000 4000 Hz

αp

200 0.50 0.50 (L) 0.45 0.55 0.60 0.50 0.45 0.40

400 0.50 0.50 (L) 0.50 0.60 0.55 0.50 0.45 0.40

With insulation layer (For requirements on insulation layer see page 5)

65 0.55 0.55 0.35 0.50 0.65 0.60 0.50 0.40127.71.2

0

0.8

0.40.2

0.6

1.0

2000125 500250 1000 4000 Hz

αp

200 0.55 0.55 0.50 0.55 0.60 0.55 0.50 0.45

400 0.55 0.55 0.50 0.55 0.55 0.55 0.50 0.45

D14.d

eD4

2.de

W62

C.de

W11

C.de

E31.d

eD1

2.de

Cleaneo Classic - Acoustic Board CeilingsData for Room Acoustic Planning

18 AK02.de Room Acoustics with Knauf

D127.de Cleaneo Acoustic Board Ceiling12.5 mm Cleaneo Classic Boards with Acoustical Fleece

Perforation pattern Con-struction depth

NRC αw Frequency-dependent absorption coefficient αp

mm

125 Hz

250 Hz

500 Hz

1000 Hz

2000 Hz

4000 Hz

Block perforation Design B4 12/25 Q

Perforation ratio: 14.4 %

Without insulation layer

65 0.50 0.55 0.15 0.35 0.55 0.65 0.55 0.45

0

0.8

0.40.2

0.6

1.0127.51.1

2000125 500250 1000 4000 Hz

αp

200 0.55 0.55 (L) 0.45 0.60 0.65 0.55 0.50 0.45

400 0.55 0.55 (L) 0.50 0.60 0.55 0.55 0.50 0.45

With insulation layer (For requirements on insulation layer see page 5)

65 0.60 0.60 0.35 0.55 0.70 0.65 0.55 0.50127.51.2

0

0.8

0.40.2

0.6

1.0

2000125 500250 1000 4000 Hz

αp

200 0.60 0.60 0.50 0.60 0.65 0.60 0.55 0.50

400 0.60 0.60 0.55 0.60 0.60 0.60 0.55 0.50

Slotline Design B6

Slot ratio: 15.7 %

Without insulation layer

65 0.55 0.55 0.15 0.35 0.60 0.70 0.55 0.45127.63.1

0

0.8

0.40.2

0.6

1.0

2000125 500250 1000 4000 Hz

αp

200 0.50 0.50 (L) 0.45 0.55 0.60 0.50 0.45 0.40

400 0.60 0.55 (L) 0.55 0.65 0.60 0.55 0.50 0.45

With insulation layer (For requirements on insulation layer see page 5)

65 0.65 0.60 0.35 0.55 0.75 0.70 0.55 0.50127.63.2

0

0.8

0.40.2

0.6

1.0

2000125 500250 1000 4000 Hz

αp

200 0.65 0.65 (L) 0.55 0.70 0.70 0.65 0.55 0.55

400 0.60 0.60 (L) 0.55 0.65 0.65 0.65 0.55 0.50

D14.d

eD4

2.de

W62

C.de

W11

C.de

E31.d

eD1

2.de

Cleaneo Classic - Acoustic Board CeilingsData for Room Acoustic Planning

19AK02.de Room Acoustics with Knauf

D127.de Cleaneo Acoustic Board Ceiling12.5 mm Designpanel with acoustical fleece

Perforation pattern Con-struction depth

NRC αw Frequency-dependent absorption coefficient αp

mm

125 Hz

250 Hz

500 Hz

1000 Hz

2000 Hz

4000 Hz

Tangent T3L1

Perforation ratio: 15.8 %

Without insulation layer

65 0.50 0.50 0.15 0.25 0.45 0.60 0.60 0.551.00.80.60.40.20

125 250 500 1000 2000 4000 Hz

αp 127.155.1

200 0.65 0.65 0.35 0.60 0.75 0.65 0.60 0.60

400 0.65 0.65 0.45 0.65 0.60 0.65 0.65 0.65

With insulation layer (For requirements on insulation layer see page 5)

65 0.65 0.70 0.35 0.60 0.70 0.70 0.65 0.651.00.80.60.40.20

125 250 500 1000 2000 4000 Hz

αp 127.155.2

200 0.70 0.70 0.60 0.70 0.70 0.65 0.65 0.70

400 – – – – – – – –

Micro M2F1200 x 2400

Perforation ratio: 8.4 %

Without insulation layer

65 0.50 0.55 0.20 0.35 0.50 0.60 0.55 0.451.00.80.60.40.20

125 250 500 1000 2000 4000 Hz

αp 127.133.3

200 0.50 0.55 0.40 0.50 0.55 0.50 0.50 0.45

400 – – – – – – – –

With insulation layer (For requirements on insulation layer see page 5)

65 0.55 0.55 0.40 0.55 0.60 0.55 0.50 0.501.00.80.60.40.20

125 250 500 1000 2000 4000 Hz

αp 127.133.4

200 0.60 0.60 0.45 0.60 0.60 0.60 0.60 0.60

400 – – – – – – – –

Blue absorption values are calculated values. The basis used here is an empirical derivation from a range of simplified measurements with variations in the construction depths, perforation ratios and insulation material layers.

D14.d

eD4

2.de

W62

C.de

W11

C.de

E31.d

eD1

2.de

Cleaneo Classic - Acoustic Board CeilingsData for Room Acoustic Planning

20 AK02.de Room Acoustics with Knauf

D127.de Cleaneo Acoustic Board Ceiling12.5 mm Cleaneo SYSTEXX Acoustic Board with Acoustical Fleece

Perforation pattern Con-struction depth

NRC αw Frequency-dependent absorption coefficient αp

mm125 Hz

250 Hz

500 Hz

1000 Hz

2000 Hz

4000 Hz

Alternating circular perforation 12/25 R

Perforation ratio: 31.8 %

Without insulation layer

65 0.55 0.50 (MH) 0.10 0.20 0.50 0.80 0.75 0.55

127.301.11.00.80.60.40.20

125 250 500 1000 2000 4000 Hz

αp

200 0.70 0.70 0.35 0.65 0.85 0.65 0.65 0.60

400 0.65 0.65 (L) 0.65 0.75 0.65 0.65 0.65 0.60

With insulation layer (For requirements on insulation layer see page 5)

65 0.80 0.80 0.20 0.50 0.90 1.00 0.85 0.80 1.00.80.60.40.20

125 250 500 1000 2000 4000 Hz

αp 127.302.2

200 0.85 0.90 0.50 0.80 0.95 0.85 0.85 0.80

400 0.85 0.90 0.70 0.80 0.85 0.90 0.85 0.80

D14.d

eD4

2.de

W62

C.de

W11

C.de

E31.d

eD1

2.de

Cleaneo Classic - Acoustic Board CeilingsData for Room Acoustic Planning

21AK02.de Room Acoustics with Knauf

D124.de Cleaneo Acoustic Fire Protection Ceiling12.5 mm Cleaneo Classic boards with Acoustical Fleece and mineral wool

Perforation pattern Con-struction depth

NRC αw Frequency-dependent absorption coefficient αp

mm

125 Hz

250 Hz

500 Hz

1000 Hz

2000 Hz

4000 Hz

Standard circular perforation 8/18 R

Perforation ratio: 15.5 %

With insulation layer (For requirements on insulation layer see page 5)

40.5 0.60 0.65 0.25 0.45 0.65 0.70 0.65 0.65 1.00.80.60.40.20

125 250 500 1000 2000 4000 Hz

αp 124.02.2

112.5 0.65 0.70 0.45 0.65 0.70 0.70 0.60 0.65

Standard circular perforation 12/25 R

Perforation ratio: 18.1 %

With insulation layer (For requirements on insulation layer see page 5)

40.5 0.65 0.70 0.25 0.45 0.70 0.75 0.70 0.70 1.00.80.60.40.20

125 250 500 1000 2000 4000 Hz

αp 124.04.2

112.5 0.70 0.70 0.45 0.70 0.75 0.70 0.65 0.60

Alternating circular perforation 12/20/66 R

Perforation ratio: 19.6 %

With insulation layer (For requirements on insulation layer see page 5)

40.5 0.65 0.70 0.25 0.45 0.70 0.80 0.65 0.70 1.00.80.60.40.20

125 250 500 1000 2000 4000 Hz

αp 124.12.2

112.5 0.75 0.70 0.45 0.70 0.80 0.80 0.60 0.65

Standard square perforation 12/25 Q

Perforation ratio: 23.0 %

With insulation layer (For requirements on insulation layer see page 5)

40.5 0.70 0.75 0.25 0.45 0.75 0.80 0.80 0.75 1.00.80.60.40.20

125 250 500 1000 2000 4000 Hz

αp 124.22.2

112.5 0.80 0.80 0.45 0.70 0.85 0.80 0.75 0.70

D14.d

eD4

2.de

W62

C.de

W11

C.de

E31.d

eD1

2.de

Cleaneo Classic - Acoustic Board CeilingsData for Room Acoustic Planning

40.5

159.5

112.5

87.5

22 AK02.de Room Acoustics with Knauf

D124.de Cleaneo Acoustic Fire Protection Ceiling12.5 mm Cleaneo Classic Boards with Acoustical Fleece

Perforation pattern Con-struction depth

NRC αw Frequency-dependent absorption coefficient αp

mm

125 Hz

250 Hz

500 Hz

1000 Hz

2000 Hz

4000 Hz

Random 8/15/20 R

Perforation ratio: 9.9 %

With insulation layer (For requirements on insulation layer see page 5)

40.5 0.45 0.50 0.25 0.40 0.50 0.55 0.45 0.40 1.00.80.60.40.20

125 250 500 1000 2000 4000 Hz

αp 124.31.2

112.5 0.50 0.50 0.40 0.50 0.55 0.55 0.40 0.45

Test set-up for D124.deThe construction depth for acoustic fire protection ceilings is defined up to the first, acoustically closed level. For this system it is up to the non-perforated board of the 1st grid level.

D14.d

eD4

2.de

W62

C.de

W11

C.de

E31.d

eD1

2.de

Cleaneo Classic - Acoustic Board CeilingsData for Room Acoustic Planning

23AK02.de Room Acoustics with Knauf

D126S.de Cleaneo Acoustic Board Ceiling SYSTEXX12.5 mm Cleaneo SYSTEXX Acoustic Board with Acoustical Fleece

Perforation pattern Con-struction depth

NRC αw Frequency-dependent absorption coefficient αp

mm

125 Hz

250 Hz

500 Hz

1000 Hz

2000 Hz

4000 Hz

Alternating circular perforation 12/25 R

Perforation ratio: 31.8 %

In conjunction with Cleaneo SYSTEXX Silent

Without insulation layer

65 0.65 0.55 (M) 0.10 0.25 0.60 0.85 0.75 0.65

126S.13.11.00.80.60.40.20

125 250 500 1000 2000 4000 Hz

αp

80 0.65 0.65 0.15 0.35 0.70 0.85 0.70 0.65

200 0.70 0.70 0.40 0.70 0.85 0.70 0.65 0.70

400 0.70 0.70 (L) 0.65 0.75 0.70 0.70 0.70 0.70

With insulation layer (For requirements on insulation layer see page 5)

65 0.80 0.80 0.25 0.50 0.90 0.95 0.80 0.75

1.00.80.60.40.20

125 250 500 1000 2000 4000 Hz

αp 126S.13.2

80 0.80 0.85 0.40 0.70 0.95 0.85 0.75 0.75

200 0.80 0.85 0.60 0.85 0.85 0.85 0.75 0.75

400 0.80 0.80 0.65 0.75 0.80 0.85 0.75 0.80

The specified values relate to the Cleaneo SYSTEXX Acoustic Board Fleece with cladding of Cleaneo SYSTEXX Silent.

D14.d

eD4

2.de

W62

C.de

W11

C.de

E31.d

eD1

2.de

Cleaneo Classic - Acoustic Board CeilingsData for Room Acoustic Planning

24 AK02.de Room Acoustics with Knauf

D126S.de Cleaneo Acoustic Board Ceiling SYSTEXX12.5 mm Cleaneo SYSTEXX Acoustic Board with foil laminated on the rear

Perforation pattern Con-struction depth

NRC αw Frequency-dependent absorption coefficient αp

mm

125 Hz

250 Hz

500 Hz

1000 Hz

2000 Hz

4000 Hz

Alternating circular perforation 12/25 R

Perforation ratio: 31.8 %

In conjunction with Cleaneo SYSTEXX Silent

Without insulation layer

65 0.55 0.50(MH) 0.15 0.25 0.50 0.85 0.65 0.65

126S.13.31.00.80.60.40.20

125 250 500 1000 2000 4000 Hz

αp

80 0.60 0.60 (M) 0.20 0.30 0.60 0.85 0.60 0.65

200 0.65 0.70 0.35 0.50 0.80 0.75 0.60 0.65

400 0.65 0.70 0.40 0.55 0.70 0.70 0.60 0.70

With insulation layer (For requirements on insulation layer see page 5)

65 0.65 0.70 0.25 0.40 0.70 0.90 0.70 0.70

1.00.80.60.40.20

125 250 500 1000 2000 4000 Hz

αp 126S.13.4

80 0.70 0.70 0.30 0.50 0.80 0.85 0.65 0.70

200 0.75 0.80 0.40 0.60 0.80 0.85 0.70 0.70

400 0.70 0.75 0.40 0.55 0.75 0.85 0.70 0.75

The specified values relate to the Cleaneo SYSTEXX Acoustic Board Foil with cladding of Cleaneo SYSTEXX Silent.

D14.d

eD4

2.de

W62

C.de

W11

C.de

E31.d

eD1

2.de

Cleaneo Classic - Acoustic Board CeilingsData for Room Acoustic Planning

25AK02.de Room Acoustics with Knauf

D126U.de Cleaneo Acoustic Board Ceilings UFF for acoustical plaster12.5 mm Cleaneo UFF plaster base board with acoustical fleece

Perforation pattern Con-struction depth

NRC αw Frequency-dependent absorption coefficient αp

mm

125 Hz

250 Hz

500 Hz

1000 Hz

2000 Hz

4000 Hz

Alternating circular perforation 12/25 R

Perforation ratio: 27.0 %

In conjunction with fumi acoustical plaster

Without insulation layer

65 0.60 0.60 0.15 0.30 0.60 0.80 0.70 0.65 126U.111.31.00.80.6

0.40.20

125 250 500 1000 2000 4000 Hz

αp

80 0.65 0.65 0.15 0.35 0.70 0.80 0.65 0.65

200 0.70 0.65 (L) 0.45 0.70 0.80 0.60 0.65 0.70

400 0.65 0.65 (L) 0.65 0.75 0.65 0.65 0.65 0.70

With insulation layer (For requirements on insulation layer see page 5)

65 0.75 0.80 0.25 0.55 0.90 0.85 0.75 0.75 126U.111.41.00.80.6

0.40.20

125 250 500 1000 2000 4000 Hz

αp

80 0.80 0.80 0.45 0.75 0.90 0.80 0.75 0.75

200 0.80 0.80 0.65 0.80 0.80 0.75 0.75 0.75

400 0.75 0.80 0.65 0.75 0.75 0.80 0.75 0.80

Alternating circular perforation 12/25 R

Perforation ratio: 27.0 %

In conjunction with KRAFT acoustical plaster

Without insulation layer

65 0.60 0.60 0.10 0.30 0.60 0.75 0.70 0.601.00.80.60.40.20

125 250 500 1000 2000 4000 Hz

αp 126U.111.1

80 0.60 0.65 0.15 0.40 0.70 0.75 0.60 0.60

200 0.65 0.65 0.40 0.65 0.75 0.60 0.60 0.65

400 0.65 0.65 (L) 0.60 0.70 0.65 0.60 0.60 0.65

With insulation layer (For requirements on insulation layer see page 5)

65 0.75 0.75 0.25 0.55 0.85 0.80 0.70 0.701.00.80.60.40.20

125 250 500 1000 2000 4000 Hz

αp 126U.111.2

80 0.75 0.75 0.40 0.70 0.85 0.75 0.65 0.65

200 0.75 0.75 (L) 0.60 0.80 0.80 0.75 0.70 0.70

400 0.70 0.75 0.60 0.70 0.75 0.75 0.70 0.65

The specified values relate to the Cleaneo UFF Plaster Base Board Fleece with coating with fumi or KRAFT acoustical plaster.

D14.d

eD4

2.de

W62

C.de

W11

C.de

E31.d

eD1

2.de

Cleaneo Classic - Acoustic Board CeilingsData for Room Acoustic Planning

26 AK02.de Room Acoustics with Knauf

D126U.de Cleaneo Acoustic Board Ceilings UFF for acoustical plaster12.5 mm Cleaneo UFF plaster base board with foil laminated on the rear

Perforation pattern Con-struction depth

NRC αw Frequency-dependent absorption coefficient αp

mm

125 Hz

250 Hz

500 Hz

1000 Hz

2000 Hz

4000 Hz

Alternating circular perforation 12/25 R

Perforation ratio: 27.0 %

In conjunction with fumi acoustical plaster

Without insulation layer

65 0.50 0.50 (H) 0.15 0.25 0.50 0.70 0.60 0.65 126U.111.5

1.00.80.6

0.40.20

125 250 500 1000 2000 4000 Hz

αp

80 0.55 0.55 0.20 0.30 0.60 0.75 0.50 0.60

200 0.60 0.65 0.35 0.50 0.75 0.65 0.55 0.65

400 0.60 0.65 0.40 0.55 0.70 0.65 0.55 0.65

With insulation layer (For requirements on insulation layer see page 5)

65 0.65 0.65 0.25 0.40 0.70 0.80 0.65 0.70 126U.111.61.00.80.6

0.40.20

125 250 500 1000 2000 4000 Hz

αp

80 0.65 0.70 0.35 0.50 0.75 0.80 0.65 0.65

200 0.70 0.75 0.40 0.55 0.80 0.75 0.65 0.70

400 0.70 0.75 0.40 0.60 0.75 0.80 0.65 0.70

Alternating circular perforation 12/25 R

Perforation ratio: 27.0 %

In conjunction with KRAFT acoustical plaster

Without insulation layer

65 0.50 0.45 (MH) 0.15 0.20 0.40 0.70 0.65 0.60

1.00.80.60.40.20

125 250 500 1000 2000 4000 Hz

αp 126U.111.7

80 0.50 0.50 0.15 0.25 0.45 0.70 0.55 0.60

200 0.55 0.60 0.25 0.35 0.60 0.70 0.55 0.65

400 0.55 0.60 0.25 0.40 0.60 0.70 0.60 0.65

With insulation layer (For requirements on insulation layer see page 5)

65 0.55 0.55 (M) 0.25 0.30 0.55 0.80 0.65 0.65

1.00.80.60.40.20

125 250 500 1000 2000 4000 Hz

αp 126U.111.8

80 0.60 0.60 0.25 0.35 0.55 0.80 0.65 0.65

200 0.60 0.60 0.25 0.35 0.60 0.80 0.65 0.70

400 0.60 0.65 0.25 0.40 0.60 0.80 0.65 0.70

The specified values relate to the Cleaneo UFF Plaster Base Board Fleece with coating with fumi or KRAFT acoustical plaster.

D14.d

eD4

2.de

W62

C.de

W11

C.de

E31.d

eD1

2.de

Cleaneo Classic - Acoustic Board CeilingsData for Room Acoustic Planning

27AK02.de Room Acoustics with Knauf

D134.de Free-Spanning Cleaneo Acoustic Fire Protection Ceiling12.5 mm Cleaneo Classic Boards with Acoustical Fleece

Perforation pattern Con-struction depth

NRC αw Frequency-dependent absorption coefficient αp

mm125 Hz

250 Hz

500 Hz

1000 Hz

2000 Hz

4000 Hz

Standard circular perforation 8/18 R

Perforation ratio: 15.5 %

With insulation layer (For requirements on insulation layer see page 5)

90 0.65 0.65 0.45 0.60 0.65 0.65 0.65 0.70

134.02.1

0

0.8

0.40.2

0.6

1.0

2000125 500250 1000 4000 Hz

αp

190 0.65 0.65 0.55 0.60 0.65 0.65 0.65 0.70

Standard circular perforation 12/25 R

Perforation ratio: 18.1 %

With insulation layer (For requirements on insulation layer see page 5)

90 0.70 0.75 0.45 0.65 0.75 0.70 0.70 0.65

134.04.1

0

0.8

0.40.2

0.6

1.0

2000125 500250 1000 4000 Hz

αp

190 0.70 0.70 0.65 0.70 0.70 0.70 0.70 0.70

Alternating circular perforation 12/20/66 R

Perforation ratio: 19.6 %

With insulation layer (For requirements on insulation layer see page 5)

90 0.70 0.75 0.45 0.70 0.75 0.75 0.65 0.65

134.12.1

0

0.8

0.40.2

0.6

1.0

2000125 500250 1000 4000 Hz

αp

190 0.70 0.75 0.60 0.70 0.75 0.75 0.65 0.70D1

4.de

D42.d

eW

62C.

deW

11C.

deE3

1.de

D12.d

e

Cleaneo Classic - Acoustic Board CeilingsData for Room Acoustic Planning

90110

190

210

28 AK02.de Room Acoustics with Knauf

D137.de Free-Spanning Cleaneo Acoustic Board Ceiling12.5 mm Cleaneo Classic boards with Acoustical FleeceFor this system, the absorption values of system D127.de can be used when the construction depth is taken into consideration.

Test set-up for D134.deThe construction depth for acoustic fire protection ceilings is defined up to the first, acoustically closed level. For this system it is up to the non-perforated full surface covering.

D134.de Free-Spanning Cleaneo Acoustic Fire Protection Ceiling12.5 mm Cleaneo Classic Boards with Acoustical Fleece

Perforation pattern Con-struction depth

NRC αw Frequency-dependent absorption coefficient αp

mm125 Hz

250 Hz

500 Hz

1000 Hz

2000 Hz

4000 Hz

Standard square perforation 12/25 Q

Perforation ratio: 23.0 %

With insulation layer (For requirements on insulation layer see page 5)

90 0.75 0.80 0.45 0.70 0.80 0.75 0.75 0.75

134.22.1

0

0.8

0.40.2

0.6

1.0

2000125 500250 1000 4000 Hz

αp

190 0.75 0.75 0.65 0.75 0.75 0.75 0.75 0.75

Random 8/15/20 R

Perforation ratio: 9.9 %

With insulation layer (For requirements on insulation layer see page 5)

90 0.50 0.50 0.40 0.50 0.50 0.50 0.45 0.45

134.31.1

0

0.8

0.40.2

0.6

1.0

2000125 500250 1000 4000 Hz

αp

190 0.50 0.50 0.50 0.50 0.50 0.55 0.45 0.50

D14.d

eD4

2.de

W62

C.de

W11

C.de

E31.d

eD1

2.de

Cleaneo Classic - Acoustic Board CeilingsData for Room Acoustic Planning

29AK02.de Room Acoustics with Knauf

D12.d

eD1

4.de

D42.d

eW

62C.

deW

11C.

deE3

1.de

Cleaneo Classic - Acoustic Board CeilingsData for Room Acoustic Planning

Cleaneo Module

Cleaneo Modules - Acoustic Panel Ceilings

31AK02.de Room Acoustics with Knauf

D145.de Cleaneo Acoustic Panel Ceiling BelgraviaD146.de Cleaneo Acoustic Panel Ceiling Plaza12.5 mm Cleaneo module element with acoustical fleece

Perforation pattern Con-struction depth

NRC αw Frequency-dependent absorption coefficient αp

mm125 Hz

250 Hz

500 Hz

1000 Hz

2000 Hz

4000 Hz

Cubus 9/20 Q

Perforation ratio: 16.4 %

Without insulation layer

65 – – – – – – – – 1.00.80.60.40.20

125 250 500 1000 2000 4000 Hz

αp 145.141.1

200 0.65 0.70 0.45 0.60 0.75 0.70 0.70 0.55

500 – – – – – – – –

With insulation layer (For requirements on insulation layer see page 5)

65 0.75 0.80 0.45 0.65 0.80 0.80 0.75 0.70 1.00.80.60.40.20

125 250 500 1000 2000 4000 Hz

αp 145.141.2

200 – – – – – – – –

500 – – – – – – – –

Quadril 12/30 Q

Perforation ratio: 13.0 %

Without insulation layer

65 0.60 0.55 (M) 0.15 0.30 0.60 0.80 0.60 0.40 1.0

0.80.60.40.20

125 250 500 1000 2000 4000 Hz

αp 145.121.1

200 0.65 0.60 0.45 0.60 0.70 0.65 0.60 0.45

500 0.65 0.55 (L) 0.50 0.65 0.60 0.60 0.50 0.45

With insulation layer (For requirements on insulation layer see page 5)

65 0.70 0.65 0.40 0.65 0.75 0.70 0.65 0.50 1.00.80.60.40.20

125 250 500 1000 2000 4000 Hz

αp 145.121.2

200 0.75 0.65 (L) 0.55 0.80 0.75 0.65 0.60 0.50

500 0.65 0.65 0.40 0.65 0.60 0.70 0.70 0.55

Blue absorption values are calculated values. The basis used here is an empirical derivation from a range of simplified measurements with variations in the construction depths, perforation ratios and insulation material layers.

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eD4

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Cleaneo Modules - Acoustic Panel CeilingsData for Room Acoustic Planning

32 AK02.de Room Acoustics with Knauf

D145.de Cleaneo Acoustic Panel Ceiling BelgraviaD146.de Cleaneo Acoustic Panel Ceiling PlazaD147.de Cleaneo Acoustic Panel Ceiling Contur12.5 mm Cleaneo module element with acoustical fleece

Perforation pattern Con-struction depth

NRC αw Frequency-dependent absorption coefficient αp

mm125 Hz

250 Hz

500 Hz

1000 Hz

2000 Hz

4000 Hz

Contur only Quadril12/30 Q

Perforation ratio: 13.0 %

Without insulation layer

65 0.55 0.55 0.15 0.30 0.55 0.75 0.55 0.40 1.00.80.60.40.20

125 250 500 1000 2000 4000 Hz

αp 147.121.1

200 0.65 0.60 0.45 0.60 0.70 0.65 0.60 0.45

500 0.60 0.55 (L) 0.50 0.60 0.55 0.60 0.65 0.45

With insulation layer (For requirements on insulation layer see page 5)

65 0.65 0.65 0.40 0.65 0.70 0.70 0.60 0.50 1.00.80.60.40.20

125 250 500 1000 2000 4000 Hz

αp 147.121.2

200 0.75 0.65 (L) 0.55 0.80 0.75 0.65 0.60 0.50

500 0.65 0.65 0.40 0.60 0.60 0.70 0.65 0.50

Micro 3/8.3 Q

Perforation ratio: 10.9 %

Without insulation layer

65 0.60 0.65 0.15 0.40 0.60 0.70 0.65 0.55 1.00.80.60.40.20

125 250 500 1000 2000 4000 Hz

αp 146.131.1

200 0.70 0.70 0.50 0.65 0.75 0.70 0.65 0.55

500 0.60 0.60 0.35 0.55 0.55 0.55 0.60 0.60

With insulation layer (For requirements on insulation layer see page 5)

65 0.80 0.75 0.40 0.70 0.90 0.85 0.70 0.60 1.00.80.60.40.20

125 250 500 1000 2000 4000 Hz

αp 146.131.2

200 0.60 0.60 0.55 0.55 0.60 0.55 0.55 0.60

500 0.60 0.65 0.40 0.55 0.55 0.65 0.65 0.65

Blue absorption values are calculated values. The basis used here is an empirical derivation from a range of simplified measurements with variations in the construction depths, perforation ratios and insulation material layers.

D12.d

eD4

2.de

W62

C.de

W11

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E31.d

eD1

4.de

Cleaneo Modules - Acoustic Panel CeilingsData for Room Acoustic Planning

33AK02.de Room Acoustics with Knauf

D145.de Cleaneo Acoustic Panel Ceiling BelgraviaD146.de Cleaneo Acoustic Panel Ceiling PlazaD147.de Cleaneo Acoustic Panel Ceiling Contur12.5 mm Cleaneo module element with acoustical fleece

Perforation pattern Con-struction depth

NRC αw Frequency-dependent absorption coefficient αp

mm125 Hz

250 Hz

500 Hz

1000 Hz

2000 Hz

4000 Hz

Unity 3 3.5/8.3 Q

Perforation ratio: 17.2 %

Without insulation layer

65 – – – – – – – – 1.00.80.60.40.20

125 250 500 1000 2000 4000 Hz

αp 146.161.1

200 0.75 0.80 0.50 0.80 0.85 0.75 0.75 0.80

500 – – – – – – – –

With insulation layer (For requirements on insulation layer see page 5)

65 0.80 0.85 0.35 0.65 0.85 0.85 0.75 0.85 1.00.80.60.40.20

125 250 500 1000 2000 4000 Hz

αp 146.161.2

200 0.85 0.85 0.60 0.85 0.85 0.85 0.85 0.90

500 – – – – – – – –

Unity 9 9/9 Q

Perforation ratio: 18.9 %

Without insulation layer

65 – – – – – – – –1.00.80.60.40.20

125 250 500 1000 2000 4000 Hz

αp 146.191.1

200 0.80 0.75 0.45 0.75 0.85 0.75 0.75 0.65

500 – – – – – – – –

With insulation layer (For requirements on insulation layer see page 5)

65 0.85 0.90 0.40 0.80 0.90 0.90 0.85 0.801.00.80.60.40.20

125 250 500 1000 2000 4000 Hz

αp 146.191.2

200 0.85 0.85 0.55 0.85 0.85 0.80 0.85 0.80

500 – – – – – – – –

D12.d

eD4

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eD1

4.de

Cleaneo Modules - Acoustic Panel CeilingsData for Room Acoustic Planning

34 AK02.de Room Acoustics with Knauf

D145.de Cleaneo Acoustic Panel Ceiling BelgraviaD146.de Cleaneo Acoustic Panel Ceiling PlazaD147.de Cleaneo Acoustic Panel Ceiling Contur12.5 mm Cleaneo module element with acoustical fleece

Perforation pattern Con-struction depth

NRC αw Frequency-dependent absorption coefficient αp

mm125 Hz

250 Hz

500 Hz

1000 Hz

2000 Hz

4000 Hz

Globe 6/15 R

Perforation ratio: 10.2 %

Without insulation layer

65 0.60 0.55 (M) 0.10 0.35 0.65 0.80 0.60 0.40 1.0

0.80.60.40.20

125 250 500 1000 2000 4000 Hz

αp 145.111.1

200 0.65 0.60 0.45 0.65 0.80 0.65 0.55 0.45

500 0.65 0.60 (L) 0.40 0.65 0.60 0.60 0.55 0.45

With insulation layer (For requirements on insulation layer see page 5)

65 0.75 0.65 (L) 0.35 0.70 0.80 0.75 0.60 0.50 1.0

0.80.60.40.20

125 250 500 1000 2000 4000 Hz

αp 145.111.2

200 0.70 0.60 (L) 0.55 0.75 0.75 0.65 0.55 0.50

500 0.70 0.70 0.40 0.65 0.70 0.75 0.65 0.50

Tangent 14-4/20 slots

Perforation ratio: 21.3 %

Without insulation layer

65 0.65 0.55 (M) 0.10 0.30 0.55 0.80 0.85 0.75 1.0

0.80.60.40.20

125 250 500 1000 2000 4000 Hz

αp 146.151.1

200 0.70 0.80 0.45 0.65 0.80 0.75 0.75 0.75

400 0.70 0.75 0.45 0.65 0.65 0.75 0.75 0.85

With insulation layer (For requirements on insulation layer see page 5)

65 0.85 0.90 0.35 0.70 0.95 0.95 0.85 0.85 1.00.80.60.40.20

125 250 500 1000 2000 4000 Hz

αp 146.151.2

200 0.90 0.90 0.75 0.90 0.90 0.85 0.90 0.95

500 0.90 0.90 0.75 0.90 0.90 0.90 0.90 0.90

Blue absorption values are calculated values. The basis used here is an empirical derivation from a range of simplified measurements with variations in the construction depths, perforation ratios and insulation material layers.

D12.d

eD4

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Cleaneo Modules - Acoustic Panel CeilingsData for Room Acoustic Planning

35AK02.de Room Acoustics with Knauf

D145.de Cleaneo Acoustic Panel Ceiling BelgraviaD146.de Cleaneo Acoustic Panel Ceiling PlazaD147.de Cleaneo Acoustic Panel Ceiling Contur12.5 mm Cleaneo module element with acoustical fleece

Perforation pattern Con-struction depth

NRC αw Frequency-dependent absorption coefficient αp

mm125 Hz

250 Hz

500 Hz

1000 Hz

2000 Hz

4000 Hz

Unity 8/15/20 8/15/20 R

Perforation ratio: 10.5 %

Without insulation layer

65 – – – – – – – – 1.00.80.60.40.20

125 250 500 1000 2000 4000 Hz

αp 146.181.1

200 0.55 0.60 0.40 0.55 0.60 0.60 0.50 0.50

500 – – – – – – – –

With insulation layer (For requirements on insulation layer see page 5)

65 0.55 0.55 0.40 0.50 0.55 0.55 0.50 0.55 1.00.80.60.40.20

125 250 500 1000 2000 4000 Hz

αp 146.181.2

200 0.60 0.60 0.45 0.60 0.55 0.60 0.55 0.60

500 – – – – – – – –

Blue absorption values are calculated values. The basis used here is an empirical derivation from a range of simplified measurements with variations in the construction depths, perforation ratios and insulation material layers.

D12.d

eD4

2.de

W62

C.de

W11

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eD1

4.de

Cleaneo Modules - Acoustic Panel CeilingsData for Room Acoustic Planning

36 AK02.de Room Acoustics with Knauf

D144.de Cleaneo Acoustic Panel Ceiling Visona12.5 mm Cleaneo module element with acoustical fleece

Perforation pattern Con-struction depth

NRC αw Frequency-dependent absorption coefficient αp

mm125 Hz

250 Hz

500 Hz

1000 Hz

2000 Hz

4000 Hz

Tangent 14-4/20 slots

Perforation ratio: 21.3 %

Without insulation layer

65 0.65 0.55 (M) 0.10 0.30 0.55 0.80 0.85 0.75 1.0

0.80.60.40.20

125 250 500 1000 2000 4000 Hz

αp 144.151.1

200 0.75 0.80 0.45 0.65 0.80 0.75 0.75 0.75

500 0.70 0.75 0.45 0.70 0.70 0.70 0.75 0.80

With insulation layer (For requirements on insulation layer see page 5)

65 0.90 0.95 0.40 0.75 0.95 0.95 0.85 0.90 1.00.80.60.40.20

125 250 500 1000 2000 4000 Hz

αp 144.151.2

200 0.90 0.90 0.75 0.90 0.90 0.85 0.85 0.95

500 0.90 0.90 0.75 0.90 0.90 0.90 0.90 0.90

Blue absorption values are calculated values. The basis used here is an empirical derivation from a range of simplified measurements with variations in the construction depths, perforation ratios and insulation material layers.

D12.d

eD4

2.de

W62

C.de

W11

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4.de

Cleaneo Modules - Acoustic Panel CeilingsData for Room Acoustic Planning

37AK02.de Room Acoustics with Knauf

D148a.de Free-Spanning Cleaneo Acoustic Panel Ceiling9.5 mm Cleaneo module element with acoustical fleece

Perforation pattern Con-struction depth

NRC αw Frequency-dependent absorption coefficient αp

mm

125 Hz

250 Hz

500 Hz

1000 Hz

2000 Hz

4000 Hz

Tangent 14-4/20 slots

Perforation ratio: 21.6 %

Without insulation layer

100 0.70 0.70 0.25 0.45 0.70 0.80 0.80 0.80 1.00.80.60.40.20

125 250 500 1000 2000 4000 Hz

αp 148a.151.1

200 0.75 0.80 0.45 0.65 0.80 0.75 0.75 0.75

500 0.70 0.75 0.45 0.70 0.70 0.70 0.75 0.85

With insulation layer (For requirements on insulation layer see page 5)

100 0.90 0.95 0.55 0.85 0.95 0.90 0.90 0.95 1.00.80.60.40.20

125 250 500 1000 2000 4000 Hz

αp 148a.151.2

200 0.95 0.95 0.75 0.95 0.95 0.90 0.90 0.95

500 0.90 0.95 0.75 0.90 0.95 0.90 0.90 0.90

Micro 3/8.3 Q

Perforation ratio: 10.6 %

Without insulation layer

100 0.65 0.65 0.25 0.55 0.65 0.70 0.60 0.60 1.00.80.60.40.20

125 250 500 1000 2000 4000 Hz

αp 148a.131.1

200 0.60 0.65 0.40 0.55 0.65 0.60 0.60 0.55

500 0.65 0.65 0.30 0.60 0.60 0.65 0.65 0.65

With insulation layer (For requirements on insulation layer see page 5)

100 0.70 0.70 0.45 0.70 0.70 0.70 0.60 0.65 1.00.80.60.40.20

125 250 500 1000 2000 4000 Hz

αp 148a.131.2

200 0.75 0.75 0.45 0.70 0.75 0.75 0.75 0.75

500 0.65 0.65 0.40 0.55 0.60 0.65 0.70 0.70

Blue absorption values are calculated values. The basis used here is an empirical derivation from a range of simplified measurements with variations in the construction depths, perforation ratios and insulation material layers.

D12.d

eD4

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Cleaneo Modules - Acoustic Panel CeilingsData for Room Acoustic Planning

38 AK02.de Room Acoustics with Knauf

D148a.de Free-Spanning Cleaneo Acoustic Panel Ceiling9.5 mm Cleaneo module element with acoustical fleece

Perforation pattern Con-struction depth

NRC αw Frequency-dependent absorption coefficient αp

mm125 Hz

250 Hz

500 Hz

1000 Hz

2000 Hz

4000 Hz

Quadril 12/30 Q

Perforation ratio: 14.2 %

Without insulation layer

100 0.65 0.60 0.25 0.55 0.70 0.75 0.55 0.45 1.00.80.60.40.20

125 250 500 1000 2000 4000 Hz

αp 148a.121.1

200 0.65 0.60 0.45 0.60 0.70 0.65 0.60 0.45

500 0.65 0.60 (L) 0.50 0.65 0.60 0.65 0.60 0.50

With insulation layer (For requirements on insulation layer see page 5)

100 0.75 0.70 (L) 0.45 0.75 0.80 0.75 0.65 0.55 1.0

0.80.60.40.20

125 250 500 1000 2000 4000 Hz

αp 148a.121.2

200 0.80 0.75 (L) 0.55 0.80 0.85 0.75 0.70 0.60

500 0.65 0.65 0.40 0.65 0.60 0.70 0.70 0.55

Globe 6/15 R

Perforation ratio: 10.6 %

Without insulation layer

100 0.70 0.60 0.25 0.55 0.80 0.80 0.55 0.45 1.00.80.60.40.20

125 250 500 1000 2000 4000 Hz

αp 148a.111.1

200 0.65 0.60 (L) 0.45 0.65 0.80 0.65 0.55 0.45

500 0.65 0.65 0.35 0.65 0.65 0.70 0.60 0.50

With insulation layer (For requirements on insulation layer see page 5)

100 0.80 0.65 (L) 0.45 0.80 0.90 0.80 0.60 0.55 1.0

0.80.60.40.20

125 250 500 1000 2000 4000 Hz

αp 148a.111.2

200 0.70 0.65(L) 0.55 0.80 0.80 0.65 0.60 0.55

500 0.70 0.70 0.40 0.70 0.70 0.75 0.65 0.60

Blue absorption values are calculated values. The basis used here is an empirical derivation from a range of simplified measurements with variations in the construction depths, perforation ratios and insulation material layers.

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Cleaneo Modules - Acoustic Panel CeilingsData for Room Acoustic Planning

39AK02.de Room Acoustics with Knauf

Cleaneo – Corridor F30 (Swing)Cleaneo module element with acoustical fleece

Perforation pattern Con-struction depth

NRC αw Frequency-dependent absorption coefficient αp

mm125 Hz

250 Hz

500 Hz

1000 Hz

2000 Hz

4000 Hz

Standard circular perforation

0.7/3.1 R

Perforation ratio: 4 %

– 0.80 0.75 (M) 0.15 0.45 0.85 1.00 0.85 0.70

42.03.1

0

0.8

0.40.2

0.6

1.0

2000125 500250 1000 4000 Hz

αp

8/18 R

Perforation ratio: 15.5 %

– 0.80 0.75 (M) 0.15 0.45 0.90 1.00 0.90 0.75

42.02.1

0

0.8

0.40.2

0.6

1.0

2000125 500250 1000 4000 Hz

αp

Standard square perforation

8/18 Q

Perforation ratio: 19.8 %

– 0.80 0.75 (M) 0.20 0.45 0.90 1.00 0.90 0.85

42.01.1

0

0.8

0.40.2

0.6

1.0

2000125 500250 1000 4000 Hz

αp

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11C.

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4.de

Cleaneo Modules - Acoustic Panel CeilingsData for Room Acoustic Planning

40 AK02.de Room Acoustics with Knauf

D12.d

eD1

4.de

W62

C.de

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E31.d

eD4

2.de

Acoustical Wall LiningsAcoustical Furrings

42 AK02.de Room Acoustics with Knauf

W623C.de Cleaneo Acoustic Wall Lining with Board StripsFor this system, the absorption values of system D127.de Cleaneo Acoustic Board Ceilings, taking the plenum into account, can be used. See “D127.de Cleaneo Acoustic Board Ceiling” on page 10 ff.

W623D.de Cleaneo Acoustic Wall Lining with Hat-Shaped ChannelFor this system, the absorption values of system D127.de Cleaneo Acoustic Board Ceilings with Designpanel, taking the plenum into account, can be used. See “D127.de Cleaneo Acoustic Board Ceiling” on page 19 ff.

W629C.de Cleaneo Acoustic FurringFor this system, the absorption values of system D127.de Cleaneo Acoustic Board Ceilings, taking the plenum into account, can be used. See “D127.de Cleaneo Acoustic Board Ceiling” on page 10 ff.

D12.d

eD1

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Acoustical Wall Linings and Acoustical FurringsData for Room Acoustic Planning

Acoustical Walls

44 AK02.de Room Acoustics with Knauf

W112C.de Cleaneo Acoustic WallAcoustic wall with fire resistance, sound insulation and acousticsSpecified is the equivalent sound absorption surface in m² for a test surface of 12 m² wall where 4 m² is clad with 12.5 mm Cleaneo Acoustic boards.

Perforation pattern Con-struction depth

NRC αw Equivalent sound absorption area A

mm

125 Hz

250 Hz

500 Hz

1000 Hz

2000 Hz

4000 Hz

Standard circular perforation 8/18 R

Perforation ratio: 15.5 %

With insulation layer (For requirements on insulation layer see page 5)

120 – – 2.9 2.7 2.8 2.8 3.0 3.6

4000 Hz20001000500250125

A5.04.03.02.01.00

112.02.2

Standard circular perforation 10/23 R

Perforation ratio: 14.8 %

With insulation layer (For requirements on insulation layer see page 5)

120 – – 3.0 2.6 2.7 2.7 3.0 3.4

4000 Hz20001000500250125

A5.04.03.02.01.00

112.03.2

Standard circular perforation 12/25 R

Perforation ratio: 18.1 %

With insulation layer (For requirements on insulation layer see page 5)

120 – – 3.1 2.9 3.0 3.0 3.3 3.6

4000 Hz20001000500250125

A5.04.03.02.01.00

112.04.2

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Acoustical Walls Data for Room Acoustic Planning

45AK02.de Room Acoustics with Knauf

W112C.de Cleaneo Acoustic WallAcoustic wall with fire resistance, sound insulation and acousticsSpecified is the equivalent sound absorption surface in m² for a test surface of 12 m² wall where 4 m² is clad with 12.5 mm Cleaneo Acoustic boards.

Perforation pattern Con-struction depth

NRC αw Equivalent sound absorption area A

mm

125 Hz

250 Hz

500 Hz

1000 Hz

2000 Hz

4000 Hz

Standard square perforation 8/18 Q

Perforation ratio: 19.8 %

With insulation layer (For requirements on insulation layer see page 5)

120 – – 3.1 2.8 3.0 3.0 3.4 3.9

4000 Hz20001000500250125

A5.04.03.02.01.00

112.21.2

Standard square perforation 12/25 Q

Perforation ratio: 23.0 %

With insulation layer (For requirements on insulation layer see page 5)

120 – – 3.5 3.1 3.3 3.3 3.6 3.8

4000 Hz20001000500250125

A5.04.03.02.01.00

112.22.2

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Acoustical Walls Data for Room Acoustic Planning

Cleaneo Single

Cleaneo Single - Individual Absorbers

47AK02.de Room Acoustics with Knauf

Wall absorberAdit acoustic unit

Perforation pattern Con-struction depth

NRC αw Frequency-dependent absorption coefficient αp

mm125 Hz

250 Hz

500 Hz

1000 Hz

2000 Hz

4000 Hz

Tangent 14-4/20 slots

Slot ratio: 10.2 %

With insulation layer (For requirements on insulation layer see page 5)

55 0.80 0.80 0.25 0.55 0.80 1.00 0.90 0.90

1.00.80.60.40.20

125 250 500 1000 2000 4000 Hz

αp 312.151.2

D12.d

eD1

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62C.

deW

11C.

deE3

1.de

Cleaneo Single - Individual Absorbers Data for Room Acoustic Planning

48 AK02.de Room Acoustics with Knauf

Ceiling canopyCleaneo Up 12.5 mm Acoustic Unit

Perforation pattern Con-struction depth

NRC αw Equivalent sound absorption area A in m2 per ceiling canopy

mm125 Hz

250 Hz

500 Hz

1000 Hz

2000 Hz

4000 Hz

Standard circular perforation 8/18 R

Perforation ratio: 15.5 %

800 x 1600 mm, with insulation layer (For requirements on insulation layer see page 5)

100 – – 0.4 1.1 1.5 1.2 1.0 1.1

4000 Hz20001000500250125

A5.04.03.02.01.00

311.02.1

200 – – 0.4 1.2 1.5 1.4 1.3 1.4

400 – – 0.4 1.0 1.4 1.6 1.6 1.7

1000 – – 0.4 0.8 1.6 2.0 1.9 2.1

1000 x 2000 mm, with insulation layer (For requirements on insulation layer see page 5)

100 – – 0.7 1.6 2.0 1.7 1.4 1.6

4000 Hz20001000500250125

A5.04.03.02.01.00

311.02.2

200 – – 0.7 1.8 2.2 1.9 1.8 1.9

400 – – 0.7 1.6 2.1 2.3 2.2 2.4

1000 – – 0.6 1.3 2.4 2.9 2.7 2.9

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Cleaneo Single - Individual AbsorbersData for Room Acoustic Planning

49AK02.de Room Acoustics with Knauf

Surface absorberCleaneo Smart acoustic unit made of 10.0 mm highly efficient felt absorber

Perforation pattern Con-struction depth

NRC αw Frequency-dependent absorption coefficient αp

mm125 Hz

250 Hz

500 Hz

1000 Hz

2000 Hz

4000 Hz

Highly absorbing PET felt absorber

Without insulation layer

65 0.70 0.65 (MH) 0.15 0.35 0.70 0.90 0.90 0.90

313.01.1

0

0.8

0.40.2

0.6

1.0

2000125 500250 1000 4000 Hz

αp

200 0.80 0.85 0.50 0.65 0.85 0.75 0.85 0.90

400 0.75 0.75 (H) 0.60 0.70 0.70 0.75 0.85 0.90

With insulation layer (For requirements on insulation layer see page 5)

65 0.90 0.95 0.35 0.70 0.95 0.95 0.95 0.90

0

0.8

0.40.2

0.6

1.0

2000125 500250 1000 4000 Hz

αp 313.01.2

200 0.85 0.90 0.60 0.80 0.85 0.85 0.90 0.90

400 0.85 0.90 0.60 0.70 0.80 0.90 0.95 0.95

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Cleaneo Single - Individual Absorbers Data for Room Acoustic Planning

50 AK02.de Room Acoustics with Knauf

Ceiling canopyCleaneo Smart acoustic unit made of 10.0 mm highly efficient felt absorber

Perforation pattern Con-struction depth

NRC αw Equivalent sound absorption area A 1)

mm125 Hz

250 Hz

500 Hz

1000 Hz

2000 Hz

4000 Hz

Highly absorbing PET felt absorber

1200 x 1200 mm, without insulation layer

100 – – 0.2 0.5 1.1 1.5 1.5 1.6

2000125 500250 1000 4000 Hz

A5.04.03.02.01.00

313.101.1

200 – – 0.2 0.8 1.3 1.4 1.6 1.8

400 – – 0.3 0.9 1.1 1.4 1.7 1.9

1000 – – 0.4 0.7 1.2 1.5 1.9 2.1

1200 x 1200 mm, with insulation layer (For requirements on insulation layer see page 5)

100 – – 0.4 1.2 1.9 2.0 1.8 1.7

2000125 500250 1000 4000 Hz

A5.04.03.02.01.00

313.101.2

200 – – 0.5 1.5 2.0 2.0 2.0 1.9

400 – – 0.5 1.4 1.8 2.1 2.1 2.2

1000 – – 0.6 1.2 1.9 2.4 2.4 2.4

Highly absorbing PET felt absorber

1200 x 2400 mm, without insulation layer

100 – – 0.3 1.0 2.2 2.9 2.9 3.1

2000125 500250 1000 4000 Hz

A5.04.03.02.01.00

313.100.1

200 – – 0.5 1.6 2.4 2.7 3.1 3.4

400 – – 0.8 1.8 2.2 2.8 3.4 3.7

1000 – – 0.9 1.5 2.3 3.1 3.8 4.2

1200 x 2400 mm, with insulation layer (For requirements on insulation layer see page 5)

100 – – 0.9 2.3 3.6 3.7 3.3 3.2

2000125 500250 1000 4000 Hz

A5.04.03.02.01.00

313.100.2

200 – – 1.1 2.7 3.8 3.6 3.7 3.6

400 – – 1.2 2.7 3.4 4.0 4.1 4.1

1000 – – 1.2 2.3 3.8 4.7 4.7 4.7

1) Arithmetic mean value of the third-octave frequencies

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Cleaneo Single - Individual AbsorbersData for Room Acoustic Planning

51AK02.de Room Acoustics with Knauf

Baffle ceiling canopyCleaneo Smart acoustic unit made of 10.0 mm highly efficient felt absorber

Perforation pattern Suspension height

NRC αw Equivalent sound absorption area A 1)

mm125 Hz

250 Hz

500 Hz

1000 Hz

2000 Hz

4000 Hz

Highly absorbing PET felt absorber

1200 x 120 mm

0 – – 0.3 0.7 1.4 1.6 2.3 3.1

2000125 500250 1000 4000 Hz

A5.04.03.02.01.00

313.200.2

100 – – 0.3 0.5 0.9 1.5 2.4 3.2

400 – – 0.3 0.4 0.8 1.7 2.6 3.7

1000 – – 0.2 0.4 0.9 1.8 2.8 4.0

1200 x 240 mm

0 – – 0.5 1.2 1.7 2.6 3.3 3.9

2000125 500250 1000 4000 Hz

A5.04.03.02.01.00

313.200.1

100 – – 0.4 0.9 1.4 2.6 3.5 4.2

400 – – 0.3 0.7 1.5 2.7 3.9 4.9

1000 – – 0.4 0.7 1.6 3.0 4.2 5.3

1) Arithmetic mean value of the third-octave frequencies

Suspension height of the baffle ceiling canopyThe suspension height is the clearance between the basic ceiling and the rear of the Smart baffle ceiling canopy.

120 /

140

Susp

ensio

nhe

ight

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Cleaneo Single - Individual Absorbers Data for Room Acoustic Planning

52 AK02.de Room Acoustics with Knauf

Wall absorbers in framesCleaneo Smart acoustic unit made of 10.0 mm highly efficient felt absorber

Perforation pattern Con-struction depth

NRC αw Frequency-dependent absorption coefficient αp

mm125 Hz

250 Hz

500 Hz

1000 Hz

2000 Hz

4000 Hz

Highly absorbing PET felt absorber

1200 x 2400 mm, without insulation layer

40 0.70 0.55 (MH) 0.10 0.25 0.60 0.90 1.00 0.95

313.10.1

0

0.8

0.40.2

0.6

1.0

2000125 500250 1000 4000 Hz

αp

1200 x 2400 mm, with insulation layer (For requirements on insulation layer see page 5)

40 0.90 0.85 (H) 0.20 0.55 0.95 1.00 1.00 1.00

0

0.8

0.40.2

0.6

1.0

2000125 500250 1000 4000 Hz

αp 313.10.2

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Cleaneo Single - Individual AbsorbersData for Room Acoustic Planning

53AK02.de Room Acoustics with Knauf

Wall absorbers without framesCleaneo Smart acoustic unit made of 10.0 mm highly efficient felt absorber

Perforation pattern Con-struction depth

NRC αw Equivalent sound absorption area A 1)

mm125 Hz

250 Hz

500 Hz

1000 Hz

2000 Hz

4000 Hz

Highly absorbing PET felt absorber

1200 x 2400 mm, without insulation layer

40 – – 0.3 0.7 1.6 2.6 3.2 3.1

2000125 500250 1000 4000 Hz

A5.04.03.02.01.00

313.20.1

1200 x 2400 mm, with insulation layer (For requirements on insulation layer see page 5)

40 – – 0.5 1.3 2.7 3.1 3.2 3.1

2000125 500250 1000 4000 Hz

A5.04.03.02.01.00

313.20.2

1) Arithmetic mean value of the third-octave frequencies

D12.d

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Cleaneo Single - Individual Absorbers Data for Room Acoustic Planning

54 AK02.de Room Acoustics with Knauf

Notes on the documentKnauf technical brochures are the information documents on special topics as well as on the specialist competence from Knauf. The contained information and specifications, constructions, details and stated products are based, unless otherwise stated, on the certificates of usability (e.g. National Technical Test Certificate (abP) valid at the date they are published as well as on the applicable standards. Additionally, design and structural requirements and those relating to building physics (fire resistance and sound insulation) are considered. The contained construction details are examples and can be used in a similar way for various cladding variants of the respective system. At the same time, the demands made on fire resistance and/or sound insulation as well as any necessary additional measures and/or limitations must be observed.References to other documentsTechnical brochures

■ Room Acoustics with Knauf – Fundamentals and Concepts, AK01.de ■ Sound insulation with Knauf – Basics, SS01.de (German) ■ Sound insulation with Knauf – Demands on the constructional components, SS02.de (German)

■ Sound insulation with Knauf – Determination of the sound insulation when installed, SS03.de (German)

■ Sound insulation with Knauf – Partitions, SS04.de (German) ■ Sound insulation with Knauf – Ceilings, SS05.de (German) ■ Sound insulation with Knauf – Exterior constructional components, SS06.de (German)

■ Sound insulation with Knauf – Room in room systems, SS07.de (German) ■ Knauf Cleaneo Acoustic Wall Systems, AK04.de

System data sheets ■ Knauf Cleaneo Acoustic Board Ceilings, D12.de ■ Knauf Cleaneo Acoustic Dropped Ceilings, D14.de ■ Knauf Free-Spanning Acoustical Panel Ceilings, D42.de

Product data sheets ■ Product data sheets of the Knauf system components

Knauf-App TOPviewIn the App TOPview you will find interesting aspects on the topics of “Experience Acoustics” and “Measure Acoustics”. The App is available for iOS and Android, refer also to the Knauf Homepage at:https://www.knauf.de/profi/tools-services/tools/vr-app-topview/Intended use of Knauf systemsPlease observe the following:

Caution

Knauf systems may only be used in the applications as described in the Knauf documents. In case third-party products or components are used, they must be recommended or approved by Knauf. Flawless application of products/systems assumes proper transport, storage, assembly, installation and maintenance.

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Usage InstructionsNotes

55AK02.de Room Acoustics with Knauf

AK02.de/eng/03.20/0/TBr

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