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The Knauf range of drywall partitions is theresult of decades ofexperience in developing,testing and supportingthat meet the needs of themodern building.
Quickly and simply constructed from high qualityKnauf components, our partitions are designed toperform. You can specify Knauf partitions safe inthe knowledge that these components will ensureperformance, and that our support extends fromconcept to site.
PPartitionsrtit ions
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ContentsGeneral Information
Our Drywall system
System Performance
Drywall Construction
Installation Procedures
Application Details
C - Form I Ceiling System
LD - 19 Ceiling System
C - Studs specifications
U - Channel specifications
MW Stud / Angle sections / Plastering Angle Section
Rockwool specifications
Knauf Paper Joint Tape / Ready Mix Joint Cement
Knauf Aquapanel Cement Board
1 - 2
3 - 7
9 - 10
11 - 12
13 - 29
31 - 33
35 - 36
37 - 39
40 - 41
42
43
44
45 - 47
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General Information
PRODUCTSKnauf Drywall Metal Sections are manufactured from mild steel sections coated with either a zinc electrolytic process or hot dip galvanised process.This is then cold formed to the required section profile.
LimitationsKnauf Drywall Metal Sections are not suitable for use in load bearing situations.
If metal sections are to be used in areas of high humidity cut edges must be treated with suitable zinc based primer.
Knauf Drywall Metal Sections are not designed for external use.
Site StorageKnauf Drywall Metal sections are supplied in small packs and then strapped together to form larger packs for forklift truck off-loading. These packs can be stacked in single packs, in a safe and stable manner on a flat surface.
These bands or straps should not be used for lifting. Metal sections may spring apart when banding is released.
Note: If handling manually, consider risks as required by Manual Handling Regulations 1992.
HEALTH & SAFETYKnauf Drywall Metal Sections must be handled with care as formed edges and cut ends may be sharp. Gloves should be worn when handling the material to avoid lacerations.
Avoid prolonged contact with skin and wear protective clothing when handling metal components.
Safety glasses should be worn when using power tools.
Head protection should be worn when working with overhead hazards.
An on-site risk assessment should be carried out before use.
For the latest Material Safety Date Sheets on the specific products, please contact Knauf Hong Kong.
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PARTITION DUTY - STRENGTH AND ROBUSTNESS
The wall duty-strength and robustness-ratings are grouped as follows:-
Suggested minimum sound insulation values of partitions:-
• Stiffness• Surface damage by small hard body impact.• Resistance to damage by impact from a large soft body.• Eccentric downward loading of heavyweight anchorage ( wash basin )• Eccentric downward loading of heavyweight anchorage ( high level wall cupboard )
• Crowd pressure• Perforation by small hard body impact.• Resistance to structural damage by impact from a large soft body.• Door slamming• Pull-out of a lightweight anchorage.• Pull-down of a lightweight anchorage.
Knauf Partitioning System provides strength and robustness. These duty ratings have been calculated in accordance with BS 5234 : Part 1 & 2 : 1992. The rating is a measure of the ability of the wall to meet the requirements of strength and robustness tests:
As an aid to specification, the figures below are guidelines for duty-strength / robustness rating, and minimum sound reduction values for partitions separating various room types.
Suggested minimum sound insulation performance levels for privacy in some occupational conditions are given in table below. The values given are based on laboratory measurements.
Light Duty (LD)
Medium Duty (MD)
Heavy Duty (HD)
Severe Duty (SD)
Residential
Office or commercial building
Public or industrial building
Heavy industrial building
Category Building Type
Habitable rooms in dwellings
Quiet rooms in dwellings
Enclosing bathrooms in dwellings
General offices
Private offices
NOTE. Where there is a great deal of background noise, a lower Rw may be acceptable.
30
44
38
38
44
Executive offices
Hotel rooms
Music practice rooms
Cinemas
50
55
60
60
Location LocationWeighted sound
reduction index RwdB
Weighted soundreduction index Rw
dB
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DESIGN SOLUTIONS PARTITIONS(Fire, Acoustic,Strength)
Table 4.1: System performance
Acoustic Fire Duty rating1 Figure1
General partition
General fire performance
High fire performance
High acoustic performance
High acoustic performance
Ultra High acoustic performance
Strength and Robustness
Strength and Robustness
37dB
42dB
41dB
53dB
60dB
69dB
42dB
46dB
1hrs
2hrs
2hrs
2hrs
1hrs
1hrs
2hrs
Medium
Medium
Medium
Medium
Medium
Medium
Heavy
Severe
Fig1
Fig2
Fig3
Fig4
Fig5
Fig6
Fig7
Fig8
3
Note: 1 BS5234 identifies partitions grades by light duty (LD), medium duty (MD), heavy duty (HD) and severe duty (SD) which
are determined by partition dimensions, stud type and board type. Any of these solutions may be upgraded by the use of
Knauf Denseshield board. Please consult Knauf Hong Kong for details.
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Fig 1 General partition
50mm stud
12mmRegular Plasterboardeither side
Fig 3 High fire performance
50mm x 50mm stud0.6mm thickness
2x12.5mmFireshieldeither side
4
Drywall Design for Fire Safety
Fig 2 General Fire Performance
50mm x 50mm stud0.6mm thickness
12.5mmFireshieldeither side
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Fig 5 High acoustic performance
75mm MW stud
2x12.5mm + 1x15mmSoundshield either side
Insulation50mm wool insulation
5
soundshield
Fig 4 High acoustic performance75mm MW stud thickness
2x12.5mmSoundshild either side
Insulation 50mm wool insulation
100mm wool insulation
Fig 6 Ultra high acoustic performanceHigh performance MWtwin frame
2x12.5mmSoundshield either side
12.512.5
12.512.5
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Fig 7 Strength & Robustness
KNAUF DENSESHIELD IMPACT RESISTANT PARTITION SYSTEMmeeting “ Heavy Duty” criteria of BS5234”Part 2:1992
Technical Data:1-Hour fire rating, integrity & insulationaccording to BS476: Part22, with fire risk from both sidesOverall partition thickness = 75mmSound reduction Rw = 42 dB
KNAUF Denseshield impact resistant fire rated plasterboard 12.5mm thickKNAUF 50mm x 50mm x 0.6mm G.I. stud at 610mm centres* When 75mm wide frame is used, this Denseshield partition meets the ‘Heavy Duty’ criteria of BS5234:Part2:1992KNAUF 50mm x 40mm x 0.6mm G.I. ‘U’ channelNailable plug at 600mm centresKnauf intumescent and acoustic sealantDrywall screw at 300mm centres50mm thick, 60kg/cu.m, KNAUF rockwool
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Knauf Partitions
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Fig 8 Strength & Robustness
Technical Data:2-Hour fire rating, integrity & insulationaccording to BS476: Part22, with fire risk from both sidesOverall partition thickness = 125mmSound reduction Rw = 46 dB
KNAUF Denseshield impact resistant fire rated plasterboard 2 x 12.5mm thickKNAUF 75mm x 50mm x 0.6mm G.I. stud at 610mm centresKNAUF 75mm x 40mm x 0.6mm G.I. ‘U’ channelNailable plug at 600mm centresKnauf intumescent and acoustic sealantDrywall screw at 300mm centres
Remark: * with the inclusion of 50mm thick, 60kg/cu.m rockwool, the sound reduction Rw is 54 dB
KNAUF DENSESHIELD IMPACT RESISTANT PARTITION SYSTEMmeeting “ Severe Duty” criteria of BS5234:Part 2:1992
Knauf Partitions
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Knauf PartitionsKnauf Metal Sections is our most versatile partition solution, able to meet nearly every performancerequirement. The Knauf partition system is lightweight, strong and easy to install and can bespecified with confidence for an enormous range of applications.
Head Track
Knauf ‘U’ Channelforms head plate.
Knauf metal studs simply twist and snapinto head and floor tracks.
Knauf ‘C’ Stud lightweight steelsection.
Knauf Deep Flange‘U’ Channel fordeflection head.
Stud
The full range ofacoustic, fireresistant, moistureresistant, impactresistant toprovide performance anddesign solutions.
Knauf Plasterboard
Knauf ‘U’ Channel securedto floor.
Floor Track
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Knauf PartitionsKnauf partition copes easily with the most demanding fire, sound,moisture and impact resistance requirements. Knauf components aredesigned to work together and provide you a fully integrated system.
Key Features:-
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Versatile, light, fast andeasy to installSystem can utilise theentire range of boardsOptimised solutions tomeet sector specificrequirementsMinimum amount ofcomponents required toconstructComprehensivelydeveloped and site-proven
Knauf Deep Flange ‘U’Channel snipped, bent,returned and fixed to verticalstud.
Door Head
Knauf Drywall Screws areself drilling and self tappingand designed to workperfectly with KnaufPlasterboards.
Fixings
Readymix solution.
Knauf Ready Mix
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Knauf PartitionsInstallation ProceduresKnauf partitions are designed to be simple and fast to install. Knauf Drywall Technical Services are on handshould you have any questions or unusual situations to deal with.
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GeneralKnauf Performer partitions must be installed in accordance with Knauf Drywall’s recommendations and the recommendations of BS 8212: 1995 and BS 8000; Part 8: 1994.
Perimeter FramingKnauf ‘U’ Channels should be used for the head and base of the partition. Knauf ‘C’ Studs should be used to form any abutments and to frame openings. Bed each section on two continuous beads of Sealant or Intumescent and Acoustic Mastic as specified. Secure with suitable fixings at maximum 600mm centres and 50mm from ends of channels or studs. Separate studs and channels forming the perimeter need not be joined, but should be tightly butted together.
Replace Knauf ‘U’ Channel with a Knauf Deep Flange ‘U’ Channel when forming a deflection head.
Partitions constructed to provide fire and / or acoustic separation are required to span from structural floor to structural soffit.
Vertical StudsStuds should be postitioned within the channels to coincide with the abutments of the boards, at centres dependant on the performance requirement of the system. In general there is no requirement to secure the metal at this point as this will be achieved once the boards are screw-fixed.
Knauf ‘C’ Studs should be trimmed to within 5mm of the slab to soffit height. For deflection heads: studs should be cut short to allow for required clearance within Knauf Deep Flange ‘U’ Channel.
Knauf ‘C’ Studs can be extended by forming a splicing detail. See details on page.
InsulationSubject to the performance requirements once the studs have been located in the Knauf ‘U’ Channels and one side has been boarded, Knauf insulation as specified should be inserted between the studs vertically. Care should be taken to ensure that the insulation is fitted neatly without gaps at abutments or vertically between different rolls.
Support for HorizontalJoints in FacingsTo back horizontal joints in outer board layers, Knauf Fixing Channel or Knauf Flat Fixing Plate should be fitted across the face of all studs, secured with 2 Knauf Drywall Screws per stud to both faces or between board layers.
DoorwaysThe head is formed with Knauf Deep Flange ‘U’ Channel, snipped and bent back and screw fixed with Knauf Screws to the studs.
BoardingAll boards should be offered up to
the frame with the face of the board outwards and secured with Knauf Drywall Screws at 300mm maximum centres. Fixing centres should be reduced to 200mm at corners.
Boarding should commence at one end and work across the partition. At head, floor and abutments, board edges should be bedded on to continuous beads of Sealant. Board joints in multiple layers should be staggered both vertically and horizontally by at least 600mm.
Deflection HeadsThe maximum deflection should be no more than half the flange length of the Knauf Deep Flange ‘U’ Channel and for a downward direction.
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After fixing the head track, the floor track should bepositioned by using a vertical stud and a laser/spiritlevel.
Twisting Knauf ‘C’ Stud into position.
Fixing Knauf ‘C’ Stud to form the partition frameabutment.
Snip and bend back Knauf ‘U’ Channel for extrarigidity around door openings.
Snip and bend back Knauf Deep Flange ‘U’ Channelto form the door frame.
Fixing Knauf Deep FLange ‘U’ Channel to studs at dooropening.
Insert timber battens in the Knauf ‘C; Studs for extrarigidity around door frame if required.
Fixing Knauf Plasterboard to the completed framework.
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Knauf PartitionsApplication Details
‘C’ Stud Single Boarded
These details represent some of the most common design situations relevant to the Knauf partition system. Knauf Drywall Technical Services can advise on any specific detail you are trying to achieve.
Any type of Knauf plasterboard can be fixed to knauf ‘C’, to achieve different performance requirements.
Knauf Plasterboard
Knauf Rockwoolif required
Knauf Rockwoolif required
Joints taped and filled
Detail 01
Knauf Drywall Screwsat 300mm centres
‘C’ Stud Single Double BoardedDouble boarding is one method to achieve increased performance levels.
Knauf Drywall Screwsat 300mm centres
Double layerof Knauf Plasterboard
Joints tapedand filled
Detail 02
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Knauf Partitions
Knauf Nailable Plugor suitable fixings at600mm maximumcentres
Knauf ‘U’ Channel
Sealant orIntumescent
and Acousitic Mastic
Knauf Drywall Screwsat 300mm centres
Sealant
Knauf Nailable Plug or suitable fixing at600mm maximum centres
Knauf Drywall Screwsat 300mm centres
Knauf ‘C’ at 600mmmaximum centres
Knauf ‘U’ Channel
Standard head and FloorThe Knauf ‘U’ Channel Should be fixed to the structural soffit at maximum 600mm centres. Channels should be bedded securelyonto continuous beads of sealant to ensure optimum sound reduction by preventing air paths. If deflection of the soffit is expected, please refer to deflection head detailing.
The Floor detail is a mirror image of the Standard Head Detail. Single facings are shown as an example.Partitions should always be fixed to the finished floor.
Detail 03
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Detail 06
Knauf Nailable Plug or suitablefixing at 600mm centres Intumescent
and Acoustic Mastic
Knauf Plasterboard fillets ensuring10mm minimum board overlap
Deflection allowance
Deflection allowance
Deflection allowance
Knauf Drywall Screws at 300mm centres
Structural Soffit
Knauf Deep Flange ‘U’ Channel
Sealant
Knauf Plasteroard to suitspecification
Knauf Flat FIxing Plate
Detail 05
Knauf Nailable Plug or suitablefixing at 600mm centres
Intumescentand Acoustic Mastic
Deflection allowance
Deflection allowance
Deflection allowance
Knauf Drywall Screws at300mm centres
Knauf ‘C’ Studs to suitpartition specification
Knauf Plasteroard to suitspecification
Structral Soffit
Knauf Plasterboard fillets ensuring10mm minimum board overlap
Knauf Deep Flange ‘U’ Channel
Sealant
Knauf Flat FIxing Plate
10mm
Knauf Partitions
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Intumescentand Acoustic Mastic
Deflection allowance
Deflection allowance
Deflection allowance
Knauf Nailable Plug or suitable fixingat 600mm centres
25 x 50mm Knauf Angle Section
Knauf Rockwool 60 kg/ m3
Structral Soffit
Knauf Deep Flange ‘U’ Channel
Knauf Sealant
Knauf Plasterboard fillets ensuring10mm minimum board overlap
Knauf Plasteroard to suitspecification
Knauf Drywall Screws at300mm centresKnauf Flat FIxing Plate
Detail 07
Knauf Partitions
16
Knauf Nailable Plug or suitablefixing at 600mm centres
Structural Soffit
50mm Knauf Rockwool60Kg/m3 in head track
Tabs cut into track andbent up to retain
insulation
Knauf Intumescentand Acoustic Mastic
25 x 50mm Knauf AngleSection
Deflection allowance
Deflection allowance
Knauf Drywall Screws at300mm centres
Knauf Deep Flange ‘U’ Channel
Knauf Flat FIxing Plate
Detail 08
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Knauf Partitions
Technical date:1 hour fire rating, integrity & insulationaccording to BS476: Part 22, with fire risk from both sides
1. KNAUF Fireshield board each side 15mm*2. Vertical G.I. C-stud 50mm deep at 600mm centres3. 0.55mm thick for barrier depth
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Knauf Portitions
Fixings at the junction should be made from stud to stud.Knauf ‘C’ Studs form intersections.
Taped and Jointed
Knauf Drywall Screwsat 300mm centres
Knauf ‘C’ Studs atintersections
Knauf DrywallScrews at 600mmcentres for stud to stud fixings
Detail 11Corner 90º
Treated and prepared timber grounds can be incorporated to create splayed corners.Knauf ‘C’ Studs form intersections.
Knauf Drywall Screws at 30mm maximum centres
Taped and Jointed
Knauf ‘C’ Studs screwfixed to timber groundsat 600mm maximumcentres
Shaped timber ground
Detail 12Splayed Corner
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Knauf Partitions
Fixing at the junctions should be made from stud to stud.Extra studs should be included if required.
Knauf Drywall Screws at600mm maximum centres
for stud to stud fixings
Knauf Plasterboard tosuit specification
Knauf Plasterboard tosuit specification
Knauf insulation ifrequired
Knauf insulation ifrequired
Additional Knauf ‘C’stud at intersection
Knauf ‘C’ stud to suit specification
Knauf Sealant
Sealant
Knauf ‘C’ Studs at abutmants
Knauf Drywall Screwsat 300mm centres
Taped and Jointed
Knauf Drywall Screwsat 300mm centres
Knauf Drywall Screwsat 300mm centresKnauf ‘C’ Studs at
centres to specification
Taped and jointed
Detail 13Abutment T-Junction
Where there are high acoustic requirements aflanking detail should be considered.
Detail 14Abutment T-Junction, High PerformanceFlanking Intersection
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Knauf Plasterboard to suit specification
Knauf insulation ifrequired
Additional Knauf ‘C’ Stud
Knauf Sealant
Knauf Drywall Screwsat 300mm centres
Suitable Fixings at600mm centres
Taped and Jointed
Knauf Drywall Screws at 300mm centres
Knauf Partitions
Fixing at the junctions should be made from stud to stud.Extra studs should be included. A break in the plasterboard helps toprevent flanking sound transmission.
Detail 15Abutment T-Junction, Alternative Flanking Detail
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Knauf Partitions
Knauf Rockwool 60kg/m3
10mm
50mmKnauf Intumescent andAcoustic Mastic
Suitable for small pipes - typically up to 40mm diameter. The mineral wool must be secured around thepipe with wire or mesh.
Detail 16Pipe Penetration
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Knauf Partitions
Knauf Intumescentand Acoustic Mastic
Knauf Rockwool 60kg Knauf Drywall Screwsat 300mm centres
Knauf Intumescentand Acoustic Mastic
10mm
50mm
Fire Collar
For pipes with a diameter up to 160mm, a FireCollar is fixed to both sides in accordance with the manufacturers recommendations.
Detail 17Pipe Penetration
For pipes and ducts above 160mm diameter.Knauf ‘C’ Studs and ‘U’ Channel form anopening for the duct.
Fire dampers in ductwork, when present,should be independently supported andinstalled with regard to the manufacturesinstructions.
Detail 18Duct Penetration
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Knauf Partitions
Knauf Plasterboard to suitspecification
Additional Knauf ‘C’ Studs as trimmerseach side of opening
Knauf Plasterboard returned and screwfixed to trimming stud/channel as lining to opening
Ends of Knauf Deep Flange ‘U’ Channelsnipped, bent and turned up or down aminimum 300mm and fixed to studs withtwo Knauf Wafer Head Jackpoint Screwseach side.
Fire stopping insulation(by others)
Detail 19Typical Framing Out Detail
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Knauf Partitions
Knauf Rockwool
Knauf MovementControl Joint
Knauf Drywall Edge Beads
Knauf Rockwool 60kg
max 150mmEdge levelled off with Knauf
Jointing Compound
Knauf Plasterboardto suit specification
Allows lateral movement of up to 7mm. The control joint must be fixed at 150mm centres on both edges. This detail
Detail 20Movement Control Joint
This allows more movement than the previous detail, in conjunction with a shadow gap formed by Knauf DrywallEdge Beads.
Detail 21Expansion Joint
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Knauf Partitions
Suitable for medium weight fixings where the appliedload is fixed and continuous, and for lightweightfixings where the load may be subject to somemovement (e.g. through removable objects).
Suitable for heavyweight fixings where the appliedload is fixed and continuous, and for medium weightfixings where the load may be subject to somemovment (e.g. through removable objects).
- Suggested applications: Curtain rails, pictures.
- Suggested applications: baths (lateral location only), cupboards, shelving, handrails, radiators.
Knauf Wafer HeadJackpoint Screws
Knauf FixingChannel fixing tostuds
Horizontal 50mm Knauf ‘U’Channel screwed betweenverticals with Knauf Waferhead Jackpoint Screws
Sawn softwood nogginginserted into channel andtrimmed to fit flush to studsurface
Flanges of Knauf FixingChannel cut and edgesflattened back
25 x 25mm Knauf AngleSection fixed to stud at 50mmcentres with Knauf Wafer HeadJackpoint Screws
Min. 18mm ply sheet covercomplete load-bearing area ofthe fixture
32mm Knauf Drywall Screws fixed through stud flangeinto plywood at 100mm centres
300mmmin.
Light Weight Fixings Parallel to Surface
Heavy Weight Fixings Parallel to Surface
For use where the applied load is not directlyadjacent to the board surface, thus producing a twisting force that the other fixing details are notcapable of withstanding. It is also suitable forfixing items that are likely to receive rougher than usual treatment.
- Suggested applications: TV mounting arms, pay telephones and hoods, disabled grab rails.
Heavy Weight Fixings with Moment
Detail 22
Detail 23
Detail 24
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Knauf Partitions
Knauf ‘U’ Channelfixed to studs
Socket or switch
Knauf Plasterboard
Knauf Rockwool
300m
m30
0mm
These can be fixed back to Knauf ‘U’ Channels or sections of Knauf Fixing Channels fitted between studs. Mineralwool packing maintains the fire resistance of the partition.
Detail 25 Sockets and Switches
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Knauf Partitions
Knauf ‘U’ Channel is snipped, bent back and screwed to the Knauf ‘C’ Stud with Wafer HeadJackpoint Screws.
Knauf Deep Flange ‘U’ Channel(to suit deflection allowance)
fixed to structural soffit atmaximum 600mm centres
Knauf Deep Flange ‘U’ Channel cut and bentdown jamb stud eachside, secured with KnaufWafer Head Screws atintersections and at 200mm centres on eachreturn
Minimum 250mm - tomeet channel below
300mm turned upfloor channel secured with Knauf WaferHead Screws at150mm centres
Knauf Flat Fixing Plate(If required within the
appropriate deflectionhead detail)
Knauf Wafer HeadScrews at 300mmmaximun centres
Knauf Deep Flange ‘U’ Channelsection to each side of door
opening fitted between returnedlegs at door head and base
Knauf ‘C’ Stud to eachside of door jamb
Two pairs of fixings:One pair at jamb stud base;
One pair at 150mm fromdoor jamb. Remainder of
Knauf ‘U’ Channel securedat 600mm centres
Knauf ‘U’ Channel with300mm leg cut and
returned up door jamb stud
0 - 60Kg Door Jamb Detail 26
27
150mm
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Knauf Deep Flange ‘U’ Channel(70mm flange) fixed to structural
soffit at maximum 600mmcentres
Additional Knauf ‘C’ Studpositioned 150mm from doorjamb stud each side of door
opening
Knauf Wafer HeadScrews at 300mmmaximum centres
Knauf Deep Flange ‘U’ Channel(70mm flange) section to each
side of door opening fittedbetween returned legs at door
head and base
Knauf ‘C’ Stud to eachside of door jamb
Two pairs of fixings:One pair at jamb stud base;
One pair at 150mm fromdoor jamb. Remainder of
Knauf ‘U’ Channel securedat 600mm centres
Knauf ‘U’ Channel with300mm leg cut and returned
up door jamb stud
Minimum 250mm - tomeet channel below
Knauf Flat Fixing Plate(If required within the appropriate deflectionhead detail)
Knauf Deep Flange ‘U’Channel (70mm flange)cut and bent down jambstud each side, securedwith Knauf Wafer HeadScrews at intersectionsand at 200mm centreson each return
300mm turned upfloor channel secured with Knauf WaferHead Screws at150mm centres
Knauf Partitions
Knauf ‘U’ Channel is snipped, bent back and screwed to the Knauf ‘C’ Stud with Wafer HeadJackpoint Screws.
Detail 2760 - 100Kg Door Jamb
28
150mm
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At Le
ast 6
00m
m o
verla
p
Knauf Partitions
Knauf ‘C’ to suitspecification
Radius ‘U’ Channel Cutsat (centres)
* Stud centres also dependant on partition maximun height
* Note: Based on Knauf Wallboard.
at (centres) at (centres)‘U’ Channel Fixed Studs* Knauf recommended minimum board bending radii*:
Knauf Board Thickness Minimum Radius
Knauf Plasterboard fixedhorizontally to suit specification
Knauf DrywallScrews
Knauf ‘U’ Channel snipped atregular centres to form curve.
(Refer to table belowfor correct centres)
Knauf ‘U’ Channel fixed with KnaufNailable Plug or suitable fixing for
background
5 Metres plus 300mm 600mm 600mm6.5mm (Knauf flexible board) 300mm
12mm 1.5 Metre
15mm 2.5 Metre
3 - 5 Metres 100mm 400mm 300mm
1 - 3 Metres 50mm 300mm 150mm
Detail 29Curved Partition
At least 8 KnaufWafer Head Jackpoint
Screws on each sidefor each section
Knauf ‘U’Channel
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Detail 28“C” Stud Splicing
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DESIGN SOLUTIONS CEILINGSC-Form 1 Ceiling SystemThe Knauf C-Form I Ceiling System can acceptsome degree of loading and uses fast drywallconstruction techniques.
‘Knauf ‘C’ ChannelForms the main supports
‘C’ ChannelsThe lower ‘C’ channels are clippedto the upper ‘C’ channels by meansof channel intersection connectors.The spacing of the upper ‘C’channles varies according to the weight of the ceiling specified.
BulkheadsThe framing for bulkheads is builtup from standard ‘C’ and ‘U’channel components.
Access panelsAccess panels can be provided inthe ceiling between supportchannels. Framing is formed with‘C’ channels connected by meansof noggin channel connectors. Theopening is then ready to receive aproprietary access hatch.
It should be used for larger ceiling areas (50m2 andover) and for spans over 4m. It is also ideal for wheredeeper ceiling voids are required (over 450m).
The system utilises one or more layers of any of theKnauf range of plasterboards, depending on the performance required. The boards are fixed onto a double lightweight metal framework of Knauf ‘C’Channels and Knauf ‘U’ Channels.
The lightweight galvanised is suspended by eitherstrap hangers or angle sections fixed to the structuralsoffit with soffit cleats.
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‘Knauf ‘C’ Channels ConnectorFor connecting straightlengths ot ‘c’ channel.
Channel IntersectionConnectorsAre used to connect the ‘C’channels forming the C-Formsupport grid.
Suspension Rods andAdjustable Channel HangersThe suspension rods support theupper ‘C’ channels of the system,the height of which can be adjustedby means of the movable channelhangers. Spacing depends on theweight of the ceiling (see loadinginformation, page 46). Additionalsuspension rods can be used tosupport point loads such asluminaires.
Perimeter channelsProvide support at the edges of the ceiling and consist of ‘U’ channelsections. These are screw-fixed toperimeter walls at the level of thelower ‘C’ channel supports. ‘U’channels are also used to build upthe framing for bulkheads, changesof level and access panel openings.
‘U’ Mounting BracketsAn optional fixed hanger which isscrew-fixed directly to the structuralsoffit, for use where clearanceabove the plasterboard is not sufficient for suspension roads andadjustable channel hangers.
Noggin Channel ConnectorsWhen KNAUF plasterboard mustbe supported at all four edges, orwhere a point load requires supportbetween the lower ‘C’ channels,channel sections are fitted betweenthe lower ‘C’ channels andconnected by means of nogginchannel connectors.
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C-FORM I - PERFORMANCE INFORMATION
C-FORM I - LOADING INFORMATION
PERFORMANCE/LOADINGTypical Applications to Timber and Concrete Soffits
BOARD TYPE FIRERESISTANCE
(hours)
Standard
Fireshield
Moistureshield
N/A
N/A
N/A
N/A
N/A
N/A
N/A
1.0
N/A
Standard
Fireshield
Moistureshield
Standard
Fireshield
Moistureshield
One layer of 12mm KNAUFplasterboard screw-fixed to
lower ‘C’ channels.
Two layers of 12.5 mmKNAUF plasterboard screw-
fixed with staggered joints tolower ‘C’ channels,
incorporating a 50mm Rockwool , 60kg/m3
10 15 20 25 30 35 40 45 50
One layer of 15mm KNAUFplasterboard screw-fixed
to lower ‘C’ channels
WEIGHT(MAXIMUM
FOR CEILINGSYSTEM)(kg/m2)
MAX CENTRESOF HANGERSON UPPER ‘C”
CHANNELS(mm)
MAX CENTRESOF
UPPER ‘C’CHANNELS
(mm)
MAX CENTRESOF
LOWER ‘C’CHANNELS
(mm)
12 2000 1200 450/600
22 1250 1000 450/600
17 1500 1100 450/600
FIXING CENTRES FOR:
HANGER
UPPER ‘C’ CHANNEL
LOWER ‘C’ CHANNEL
2000
1200
450600
1500
1100
450600
1250
1000
450600
1000
950
450600
900
900
450600
800
875
450600
750
850
450600
675
825
450600
625
800
450600
TOTAL LOAD INCLUDING WEIGHT OF CEILING SYSTEM (kg/m2) - THIS INCLUDES ANY ADDITIONAL LIGHTING/VENTILATION
SYSTEM FITTINGS
The C-Form I lower ‘C’ channels should be located at maximum 450mm centres for 12.5mm KNAUF plasterboard,or maximum 600mm centres for 15mm KNAUF plasterboard.
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DESIGN SOLUTIONS CEILINGSLD-19 Ceiling SystemThe LD-19 ceiling frame system is designed for light dutyapplication where a single layer of 12mm/12.5mmthick plasterboard is screw-fixed onto the frame.
Where multi-layers of 12mm/12.5mm thick, or single layer of 15mm thick plasterboard, or cement board / calcium silicate is requirred, KNAUF C-Form I (Heavy Duty) ceiling system shall be used. Data regardingceiling loading and framing arrangement are available.
System overview - LD 19 Ceiling System
Knauf Plasterboard Ceiling
Channel Joint
One layer of KnaufPlasterboard is screw-fixed to the lower ‘W’ Channels from below
C-38 Channel...............1220mm (48”) c/cW-Bar.............................407mm (16”) c/cSuspension Bolt............1220mm (48”) c/c
LD19 W - Clip
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Product
Packing
W - Clip
500 pcs
Product
Packing
Channel Joint
300 pcs
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36
Strap Hangers are screwed to thePrimary Support Channels
W - joint
C - 38 Channel
W - Bar
LD 19 Hanger
Product
Size
Packing
W - Bar
50 x 19 x 0.4mm
10 pcs
Product
Packing
W - Joint
200 pcs
Product
Packing
Hanger
300 pcs
Product
Size
Packing
C - 38 Channel
38 x 12 x 1.8mm
10 pcs
19
50
38
12
38 x 12 x0.8mm
38 x 12 x 0.8mm
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A
B
Knauf ‘C’ StudsGalvanised lightweight steel section for use in non-load bearing partition systems.
37
12
12
15
15
1
2
1
2
74
98
80
110
50x32
0.5
3250
3700
3350
3950
2950
3350
3050
3550
2600
2900
2650
3100
4150
4650
4250
4950
3750
4200
3850
4500
3250
3700
3350
3950
12
12
15
15
1
2
1
2
88
112
94
124
64x50
0.6
4600
5050
4700
5300
4200
4600
4250
4850
3650
4000
3750
4200
5800
6350
5950
6700
5300
5800
5400
6100
4600
5050
4700
5300
Board Thickness
(mm)
Number of Layers
Stud size& Gauge
(mm)
OverallPartition width
(mm)
Office accommodationStud centres (mm)
305 406 610 305 406Back to Back
610
12
12
15
15
1
2
1
2
74
98
80
110
50X50
0.6
12
12
15
15
1
2
1
2
99
123
105
135
75X32
0.5
3900
4350
4000
4600
3500
3950
3600
4200
3050
3450
3150
3650
4900
5450
5000
5800
4450
4950
4550
5300
3900
4350
4000
4600
4400
4750
4450
5000
4000
4350
4050
4550
3450
3800
3550
3950
5500
6000
5650
6300
5000
5450
5100
5750
4400
4750
4450
5000
12
12
15
15
1
2
1
2
99
123
105
135
75x50
0.6
5150
5600
5250
5850
4700
5100
4750
5300
4100
4450
4150
4650
6500
7050
6600
7400
5900
6400
6000
6700
5150
5600
5250
5850
12
12
15
15
1
2
1
2
88
112
94
124
64X32
0.5
3900
4300
4000
4550
3550
3900
3600
4100
3100
3400
3150
3600
4900
5400
5050
5700
4450
4900
4550
5200
3900
4300
4000
4550
Maximum Heights calculated based on a limiting deflection of L/240 at 200 Pa. For fire rated partitions, please contact Knauf Hong Kong for more information.
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38
12
12
15
15
1
2
1
2
99
123
105
135
75x50
0.8
Board Thickness
(mm)
Number of Layers
Stud size& Gauge
(mm)
OverallPartition width
(mm)
Stud centres (mm)305 406 610 305 406
Back to Back610
12
12
15
15
1
2
1
2
116
140
122
152
92x50
0.6
12
12
15
15
1
2
1
2
124
148
130
160
100x50
0.6
12
12
15
15
1
2
1
2
124
148
130
160
100x50
0.7
5550
5950
5650
6200
5050
5400
5150
5650
4400
4700
4500
4900
7050
7500
7150
7800
6400
6850
6500
7100
5550
5950
5650
6200
5950
6400
6050
6650
5400
5800
5500
6050
4750
5100
4800
5300
7500
8100
7650
8400
6850
7350
6950
7650
5950
6400
6050
6650
6350
6800
6450
7050
5750
6150
5850
6400
5000
5400
5100
5600
8000
8550
8100
8900
7250
7750
7400
8050
6350
6800
6450
7050
6600
7050
6700
7250
6000
6400
6100
6600
5250
5550
5300
5750
8350
8850
8450
9150
7600
8050
7700
8350
6600
7050
6700
7250
12
12
15
15
1
2
1
2
124
148
130
160
100x50
0.8
6850
7250
6950
7500
6250
6600
6300
6800
5450
5750
5500
5950
8650
9150
8750
9450
7850
8300
7950
8550
6850
7250
6950
7500
12
12
15
15
1
2
1
2
174
195
180
210
150x50
0.8
9300
9700
9400
9950
8450
8800
8550
9050
7400
7700
7450
7900
11750
12250
11850
12500
10650
11100
10750
11400
9300
9700
9400
9950
12
12
15
15
1
2
1
2
174
195
180
210
150x50
1.0
9950
10300
10000
10500
9050
9350
9100
9550
7900
8150
7950
8300
12550
12950
12650
13250
11400
11800
11500
12000
9950
10300
10000
10500
Maximum Heights calculated based on a limiting deflection of L/240 at 200 Pa. For fire rated partitions, please contact Knauf Hong Kong for more information.
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89
114
94
124
100
125
105
135
36
42
37
45
42
48
42
49
36
42
37
46
42
48
42
49
37
46
39
47
44
52
44
53
37
46
39
48
44
52
44
54
38
48
40
49
* KNAUF 60kg/50mm rockwool is recommended.If construction needs to meet high acoustic requirements, please contact KNAUF Hong Kong for Soundshield solutions.
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52
44
55
Clear CavitydB (Rw)
Indcluding InsulationQuiltdB (Rw)
Standard ‘C’ stud partitions
12.5
12.5
15
15
1
2
1
2
75
100
80
110
1
2
1
2
1
2
1
2
50
Board Thickness
(mm)
Number of Layers
Stud size& Gauge
(mm)
OverallPartition width
(mm)
Fireshieldor
Denseshield(hrs)
All types except Soundshield & Denseshield
12.5
12.5
15
15
1
2
1
2
64
12.5
12.5
15
15
1
2
1
2
75
12.5
12.5
15
15
1
2
1
2
125
150
130
160
100
12.5
12.5
15
15
1
2
1
2
175
200
180
210
1
2
1
2
1
2
1
2
1
2
1
2
150
Dimensions Sound Reduction
DESIGN SOLUTIONS PARTITIONS
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Knauf ‘U’ ChannelsGalvanised steel section for use as the standard head and floor track for partitions, wall linings and ceilings.
Gauge
0.5
0.6
0.7
0.8
2440
3050
2440
3050
2440
3050
2440
3050
2440
3050
2440
3050
2440
3050
50
50
50
50
32
32
35
35
40
40
35
35
40
40
35
35
40
40
Size/Webb(A)
Flange(B)
LengthDimensions (mm)
Gauge
0.6
0.7
0.8
0.9
1.0
2440
3050
2440
3050
2440
3050
2440
3050
3440
3050
2440
3050
2440
3050
2440
3050
2440
3050
2440
3050
64
64
64
64
64
35
35
40
40
35
35
40
40
35
35
40
40
35
35
40
40
35
35
40
40
Size/Webb(A)
Flange(B)
LengthDimensions (mm)
40
A
B
-
Gauge
0.6
0.8
0.9
1.0
2440
3050
2440
3050
2440
3050
2440
3050
75
75
75
75
35/40
35/40
35/40
35/40
Size/Webb(A)
Flange(B)
LengthDimensions (mm)
Gauge
0.6
0.7
0.8
0.9
1.0
1.2
1.5
2440
3050
2440
3050
2440
3050
2440
3050
2440
3050
2440
3050
2440
3050
100
100
100
100
100
100
100
35/40
35/40
35/40
35/40
35/40
35/40
35/40
Size/Webb(A)
Flange(B)
LengthDimensions (mm)
41
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Patented design, metal stud with special “spring” effect, China patent registration no: ZL200820075376.9Average 2 to 3 dB increase in weighted sound resistance Rw value compared to standard “C” studSame stiffness and lateral load bearing capacity as standard “C” stud, so similar maximum allowable heightAvailable in 75*50*0.6mm size at the moment, suitable for both single frame and twin frame wall systems
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42
A
B
Galvanised mild steel angles for use with partitions, column and beam encasements and supended ceilings.
Knauf Angle Sections
Gauge
0.5 25 3000 25
50
90
90
10
10
11
16
Lengths per Pack Kg (Approx)Width
(A)
Length Leg
(B)
Angle
Dimensions (mm) Pack Details
Knauf ‘MW’ Stud
A
B
Galvanised mild steel angles for use with partitions, column and beam encasements and supended ceilings.
Knauf Plastering Angle Section
Gauge
0.4 32 3000 32 90 10 10
Lengths per Pack Kg (Approx)Width
(A)
Length Leg
(B)
Angle
Dimensions (mm) Pack Details
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Knauf Rockwool - A semi-rigid slab of rock mineral wool (Size: 1.2m X0.6m,
- Density: 40~200kg/m3 , Thickness: 25~150mm).
- Different facings, densities and sizes are available upon request.
Fire PerformanceKnauf Rockwool is classified as non-combustible to BS 476: Part 4: 1970
Airborne SoundAirborne sound sources produce noise by vibrating the air immediately around the sound sourse.
Typical sources include the human voice, televisions, musical instruments, traffic and sound systems.
Sound AbsorbencyThe sound absorption characteristics of mineral wool make it ideal for use in partitions to assist in absorbing
sound within a cavity.
Tested in a reverberation chamber in accordance with BS EN ISO 354: 2003
Knauf Rockwool
Weight (kg) / Thickness (mm) 125 250 500 1000 2000 4000 NRC
60kg / 50mm 0.25 0.65 1.05 1.10 1.10 0.95 0.98
100kg / 50mm 0.35 0.85 1.10 1.10 1.15 1.10 1.05
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Ready mixed for joint filling and surface finishing by
manual application.
Knauf Ready-Mix Joint Cement
Knauf Paper Joint Tape
Width
52mm 23 / 75 / 150m
Legth
Dimensions (mm)
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AQUAPANEL® CEMENT BOARD INDOOR
AQUAPANEL® Cement Board Indoor
(2 layers)
Knauf CW50 metal profile
Knauf insulation (50 mm)
Vapour barrier (PE foil)
AQUAPANEL® Cement Board Indoor
AQUAPANEL® Maxi Screw
AQUAPANEL® Joint Adhesive (PU)
AQUAPANEL® Interior Primer
Tile adhesive
Ceramic tiles
1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
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Create any look you want in your new building or renovationproject - AQUAPANEL® Cement Board Indoor is compatible withalmost any wall covering including:
More design freedom
Approved solution since 2002 with world-wide referencesEcological and safe building material: AQUAPANEL® is certifiedand recommended according to the criteria of the Institute forBuilding Biology in Rosenheim, Germany, report no. 3008-008.100% moisture resistant since inorganic: no risk for mould andmildewVery low moisture- and thermal-expansion of avoids risk ofdamageResistant against limited chemical exposure, like chlorine anddisinfectantsSpecial solutions with AQUAPANEL® Access Doors even forwet areasA1 building material class (EN 13501) - board is non-combustibleSystems fulfil building physical norms and tests or fireresistance and thermal abd sound insulationProven wall system stability; impact resistance classes conformto German standard DIN 4103 (installation ranges 1 and 2)
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Better safety
Faster Return on Investment
Better economically
0.3m R ≥ 1m
0.9m R ≥ 3m
R
Any tile covering: mosaic, ceramic, glass, natural stone likeTravertino (up to 330 x330 mm or 600 x 600 with decouplingsystem)Q1-Q3 finishing with AQUAPANEL® Joint Filler & Skim Coating- white which serves as a substrate for paint, various plastercoatings but also water-repellent wallpapersQ4 finishing with AQUAPANEL® Q4 Finish - for special coatingssuch as Stucco Veneziano and shiny metallic paints in areaswith up to 95% air-moistureLarge monolithic interior wall and suspended ceiling surfaces(with AQUAPANEL® Q4 Finish, there is no need for reinforcingmesh regardless of wall height)
AQUAPANEL® can easily be bent on site for smooth
convex and concave wall or ceiling shapes, and even
cupola constructions.
AQUAPANEL® Cement Board Indoor is a super-fast building material.so it also allows for other building activities to be done in parallel.This means your contractors can get the job done faster and youcan sell and / or rent your building sooner for faster return oninvestment. Moreover, larger effective areas and larger floor spacesallow a more valuable building.
Last minute floor-plan changes are not an issue with AQUAPANEL®.
An AQUAPANEL® Cement Board Indoor wall offers many costadvantages over a traditional wall, and many performanceadvantages over an impregnated gypsum wall in humid ordamp areasJust one layer of cement board needed in tiling applications(instead of two layers with gypsum)No-full surface sealing required in domestic applicationsResistant to mould and mildewCan be bent dry on-site for curved walls/ceilingsHigh impact resistanceSolid Portland cement substrate, easy to transportLong-lasting solution
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AQUAPANEL® CEMENT BOARD OUTDOOR
AQUAPANEL®Cement Board enables exciting new building designs
for all types of exterior applications. In fact, many world-leading
architects are already using the system. It has the strength of
brick and block but can also be bent dry on site for perfectly
smooth curved walls and arches. Also, it enables perfectly smooth
monolithic-look for large areas.
What’s more, almost any finishing possible, including:
More design opportunities
Granite stone cladding (open-joint)
Subst. picture for cladding system
(e.g. Eurofox, Nauth)
AQUAPANEL®Joint Filler - grey plus
AQUAPANEL® Tape (10cm)
AQUAPANEL® Maxi Screw
(corrosion-resistant)
AQUAPANEL® Cement Board
Outdoor
AQUAPANEL® Tyvek®StuccoWrapTM
Knauf CW150 metal profile
Knauf UW metal profile
Knauf insulation (140 mm)
Knauf gypsum board (GKF) (2 layers)
1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
Fast construction:
- score and snap
- no pre-drilling
- no drying time
Less foundation work - AQUAPANEL®is as strong as brick and
block but weighs less.
More effective area than the width of brick and block
Lightweight delivery/storage
Just-in-time complete system solution from Knauf
Better thermal-and acoustic insulation properties when
compared to same wall thickness constructed with brick and
block
Building has low energy and resource consumption due to
better thermal insulation
Building biological safety - no dust mildew spores or bacteria
Fast and simple solutions for renovation (no extra statics
requirements)
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Better economically
Approved, certified system solution since 2002 with worldwide
references
100% waterproof and completely inorganic, so there is no
risk of mould or mildew. AQUAPANEL®meets the highest
requirements for a safe and hygienic environment inside
the building - as certified by the German Building Biological
Institute in report number 3006-214.
AQUAPANEL®Cement Board Outdoor is non-combustible,
fulfilling the highest requirements of building material class A1,
according to EN 13501, no fumes and no dropping
An AQUAPANEL®system can be designed to withstand wind
strengths in all geographical areas; solutions for areas with high
seismic activities can also be developed
An AQUAPANEL®system has high mechanical resistance
comparable with brick and block
Better safety
AQUAPANEL®Cement Board Outdoor is a super-fast building
material: no drying time is needed and surface are already even. This
means your constructors can get the job done faster, doing other
building activities in parallel. You can sell and/or rent your building
sooner.
And it is not just the construction stage that is super fast. You
can use the library of certified and proven technical solutions and
technical details to fast-track the planning of your new building.
Other AQUAPANEL®tools and services support the design,
development, prototype mock-up and implementation phases
including calculation of windloads and recommendations on sub-
structure. It all adds up to faster return on investment.
Faster return on investment
Directly-appliedPaint
Mineral render
Brick slips
Ceramic tiles
Note: Where directly-applied finishes are used, the maximum permitted load for tiling
(clinker, ceramic or other) including adhesive is 40 kg per m2.
Surface finish/claddingNatural stone
Aluminium
Brick tiles
Ceramic tiles
Glass facade
Fibre composite boards
Vinyl
Wood
46European technical approvalETA-07/0173 has been issued forAQUAPANEL® Cement Board Indoor.
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Heavy dutyOn its own, AQUAPANEL®is strong and rigid and will support up to50 kg of tiles per square metre of wall. But with the AQUAPANEL®
Traverse, light console loads are borne securely up to 1.5 kN/m2
CurvedAQUAPANEL®boards can be bent on-site to create beautifullysmooth, curved walls with a radius of just one metre or larger,Here the stud spacing is 300mm or 312.5mm.
Suspended ceilingSuspended ceilings ensure that installations are secured. Moreover,depending on the construction, they can help improve sound and fireprotection of a building.
For ceilings, take advantage of the economical stud spacing of450 mm via the supended profile arrangement. This specialceiling system uses AQUAOANEL® Q4 Finish as the surface layer.Joint treatment is done with AQUAPANEL® Joint Filler - grey andAQUAPANEL® Tape (10 cm).
47