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SAP Calculations Client: Castlegate Homes Project: Plot 1 , Tillbridge Lane LINCOLN, Sturton by Stow, LN1 2DS Contact: Andrew Allison Ryland Design Services Ltd [email protected]

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Page 1: SAP Calculations - Microsoft

SAP Calculations

Client: Castlegate Homes

Project: Plot 1 , Tillbridge LaneLINCOLN, Sturton by Stow, LN1 2DS

Contact: Andrew AllisonRyland Design Services [email protected]

Page 2: SAP Calculations - Microsoft

Sample Report Ltd1 Sample StreetSampletown

Building Regulation Compliance Page 2 of 12

Property Reference: 000283 Issued on Date: 28.Nov.2016Survey Reference: 001 Prop Type Ref:Property: Plot 1 , Tillbridge Lane, Sturton by Stow, LINCOLN, LN1 2DSSAP Rating: 86 BEnvironmental:87 B

CO2 Emissions (t/year): 2.49General Requirements Compliance: Pass

DER: 13.19 PassDFEE:45.15 Pass

TER: 13.34TFEE:49.63

Percentage DER<TER: 1.13 %Percentage DFEE<TFEE: 9.02 %

CfSH Results Version: ENE1 Credits: N/A ENE2 Credits: N/A ENE7 Credits: N/A CfSH Level: N/ASurveyor: Andrew Allison, Tel: 01673860100 Surveyor ID: 1276-0001Address: Lincoln Road , Welton, Lincoln, Lincolnshire, LN2 3PZClient:Software Version: Elmhurst Energy Systems SAP2012 Calculator (Design System) version 3.07r06SAP version: SAP 2012, Regs Region: England (Part L1A 2013), Calculation Type: New Build (As Designed)

SUMMARY FOR INPUT DATA FOR New Build (As Designed)

1a TER and DERFuel for main heating: Mains gasFuel factor: 1.00 (mains gas)Target Carbon Dioxide Emission Rate (TER) 13.34 kg/m2Dwelling Carbon Dioxide Emission Rate (DER) 13.19 kg/m2 OK1b TFEE and DFEETarget Fabric Energy Efficiency (TFEE) 49.63 kWh/m2Dwelling Fabric Energy Efficiency (DFEE) 45.15 kWh/m2 OK2 Fabric U-values

Element Average HighestExternal wall 0.25 (max. 0.30) 0.25 (max. 0.70) OKFloor 0.13 (max. 0.25) 0.20 (max. 0.70) OKRoof 0.13 (max. 0.20) 0.13 (max. 0.35) OKOpenings 1.34 (max. 2.00) 1.50 (max. 3.30) OK

2a Thermal bridgingThermal bridging calculated from linear thermal transmittances for each junction3 Air permeabilityAir permeability at 50 pascals: 3.50 (design value)Maximum 10.0 OK4 Heating efficiencyMain heating system: Boiler system with radiators or underfloor -

Mains gasData from manufacturer? ?Efficiency: 90%Minimum: 88% OK

Secondary heating system: Room heaters - Wood LogsData from manufacturer, tested to BS EN 1266, HETAS approved?Efficiency: 78%Minimum: 65% OK

5 Cylinder insulationHot water storage Nominal cylinder loss: 1.95 kWh/day

Permitted by DBSCG 2.24 OKPrimary pipework insulated: Yes OK6 ControlsSpace heating controls: Time and temperature zone control OKHot water controls: Cylinderstat OK

Independent timer for DHW OK

© Elmhurst Energy Systems Limited Registered Office Unit 16, St Johns Business Park, Lutterworth, Leicestershire LE17 4HB

Page 3: SAP Calculations - Microsoft

Building Regulation Compliance Page 3 of 12

Boiler interlock Yes OK7 Low energy lightsPercentage of fixed lights with low-energy fittings:

100%

Minimum 75% OK8 Mechanical ventilationNot applicable9 Summertime temperatureOverheating risk (East Pennines): Not significant OKBased On:Overshading: AverageWindows facing North East:Windows facing South West:

7.68 m2, No overhang17.34 m2, No overhang

Air change rate: 8.00 achBlinds/curtains: None10 Key features

Roof U-value 0.10 W/m2KFloor U-value 0.12 W/m2KAir permeability 3.5 m3/m2hSecondary heating (wood logs)Secondary heating fuel: wood logs

© Elmhurst Energy Systems Limited Registered Office Unit 16, St Johns Business Park, Lutterworth, Leicestershire LE17 4HB

Page 4: SAP Calculations - Microsoft

Predicted Energy Assessment Page 4 of 12

Plot 1 , Tillbridge Lane,Sturton by Stow,LINCOLN,LN1 2DS

Dwelling type: House, DetachedDate of assessment: 28.Nov.2016Produced by: Ryland Design Services LtdTotal floor area: 202.6 m2

This document is a Predicted Energy Assessment for properties marketed when they are incomplete. It includes a predicted energy rating which might not represent the final energy rating of the property on completion. Once the property is completed, this rating will be updated and an official Energy Performance Certificate will be created for the property. This will include more detailed information about the energy performance of the completed property.

The energy performance has been assessed using the Government approved SAP2012 methodology and is rated in terms of the energy use per square meter of floor area; the energy efficiency is based on fuel costs and the environmental impact is based on carbon dioxide (CO2) emissions.

Energy Efficiency Rating

Very energy efficient - lower running costs

A(92 plus)

B(81-91)

C(69-80)

D(55-68)

E(39-54)

F(21-38)

G(1-20)

Not energy efficient - higher running costs

England EU Directive2002/91/EC

86

Environmental Impact (CO2) Rating

Very environmentally friendly - lower CO2 emissions

A(92 plus)

B(81-91)

C(69-80)

D(55-68)

E(39-54)

F(21-38)

G(1-20)

Not environmentally friendly - higher CO2 emissions

England EU Directive2002/91/EC

87

The energy efficiency rating is a measure of theoverall efficiency of a home. The higher the ratingthe more energy efficient the home is and the lowerthe fuel bills are likely to be.

The environmental impact rating is a measure of ahome's impact on the environment in terms ofcarbon dioxide (CO2) emissions. The higher therating the less impact it has on the environment.

© Elmhurst Energy Systems Limited Registered Office Unit 16, St Johns Business Park, Lutterworth, Leicestershire LE17 4HB

Page 5: SAP Calculations - Microsoft

Sample Report Ltd1 Sample StreetSampletown

SURVEY NOTESProperty Reference: 000283 Issued on Date: 28.Nov.2016Survey Reference: 001 Prop Type Ref:Property: Plot 1 , Tillbridge Lane, Sturton by Stow, LINCOLN, LN1 2DSSAP Rating: 86 BEnvironmental:87 B

CO2 Emissions (t/year): 2.49General Requirements Compliance: Pass

DER: 13.19 PassDFEE:45.15 Pass

TER: 13.34TFEE:49.63

Percentage DER<TER: 1.13 %Percentage DFEE<TFEE: 9.02 %

CfSH Results Version: ENE1 Credits: N/A ENE2 Credits: N/A ENE7 Credits: N/A CfSH Level: N/ASurveyor: Andrew Allison, Tel: 01673860100 Surveyor ID: 1276-0001Address: Lincoln Road , Welton, Lincoln, Lincolnshire, LN2 3PZClient:Software Version: Elmhurst Energy Systems SAP2012 Calculator (Design System) version 3.07r06SAP version: SAP 2012, Regs Region: England (Part L1A 2013), Calculation Type: New Build (As Designed)

SURVEY NOTES - Last time updated on: 28.11.2016 Page 5 of 12

Page 6: SAP Calculations - Microsoft

Sample Report Ltd1 Sample StreetSampletown

Summary InformationProperty Reference: 000283 Issued on Date: 28.Nov.2016Survey Reference: 001 Prop Type Ref:Property: Plot 1 , Tillbridge Lane, Sturton by Stow, LINCOLN, LN1 2DSSAP Rating: 86 BEnvironmental:87 B

CO2 Emissions (t/year): 2.49General Requirements Compliance: Pass

DER: 13.19 PassDFEE:45.15 Pass

TER: 13.34TFEE:49.63

Percentage DER<TER: 1.13 %Percentage DFEE<TFEE: 9.02 %

CfSH Results Version: ENE1 Credits: N/A ENE2 Credits: N/A ENE7 Credits: N/A CfSH Level: N/ASurveyor: Andrew Allison, Tel: 01673860100 Surveyor ID: 1276-0001Address: Lincoln Road , Welton, Lincoln, Lincolnshire, LN2 3PZClient:Software Version: Elmhurst Energy Systems SAP2012 Calculator (Design System) version 3.07r06SAP version: SAP 2012, Regs Region: England (Part L1A 2013), Calculation Type: New Build (As Designed)

SUMMARY FOR INPUT DATA FOR New Build (As Designed) Page 6 of 12

Orientation North East1.0 Property Type House, Detached2.0 Number of Storeys 33.0 Date Built 20163.0 Property Age Band4.0 Sheltered Sides 25.0 Sunlight/Shade Average or unknown6.0 Measurements

Heat Loss Perimeter Internal Floor Area Average Storey Height

Ground Floor: 40.70 80.40 2.401st Storey: 41.00 82.20 2.59

2nd Storey: 30.00 40.00 1.907.0 Living Area 18.508.0 Thermal Mass Parameter Simple calculation - Medium9.0 External WallsDescription Construction U-Value Kappa Gross Area Nett Area

External Wall 1 Cavity wall : plasterboard on dabs, AAC block, filled cavity, any outside structure 0.25 183.50 154.42

External Wall 2 Timber framed wall (one layer of plasterboard) 0.20 7.60 7.60

10.0 External RoofsDescription Construction U-Value Kappa Gross Area Nett Area

External Roof 1 Plasterboard, insulated at ceiling level 0.10 16.20 16.20External Roof 2 Plasterboard, insulated slope 0.13 96.45 88.2211.0 HeatLoss FloorsDescription Construction U-Value Kappa Area

Heat Loss Floor 1 Suspended concrete floor, carpeted 0.12 70.30Heat Loss Floor 2 Timber exposed floor, insulation between

joists 0.20 10.10

12.0 Opening TypesDescription Data Source Type Glazing Glazing Gap Argon Filled Solar Trans Frame Type Frame Factor U valueOpening Type 1 Manufacturer Half Glazed

DoorDouble Low-E Soft 0.1 0.63 0.70 1.50

Opening Type 2 Manufacturer Window Double Low-E Soft

0.1 0.63 0.70 1.30

Opening Type 3 Manufacturer Roof Window Double Low-E Soft

0.1 0.63 0.70 1.40

13.0 Openings

© Elmhurst Energy Systems Limited Registered Office Unit 16, St Johns Business Park, Lutterworth, Leicestershire LE17 4HB

Page 7: SAP Calculations - Microsoft

SUMMARY FOR INPUT DATA FOR New Build (As Designed) Page 7 of 12

Name Opening Type Location Orientation Curtain Type OverhangRatio

WideOverhang Width Height Count Area Curtain

Closed

Opening 1 Half Glazed Door [1] External Wall 1 North East 2.15Opening 2 Window [1] External Wall 1 North East None 0.00 7.68Opening 3 Roof Window [2] External Roof 2 North East None 2.88Opening 4 Roof Window [2] External Roof 2 North East None 3.06Opening 5 Half Glazed Door [1] External Wall 1 South West 1.91Opening 6 Window [1] External Wall 1 South West None 0.00 17.34Opening 7 Roof Window [2] External Roof 2 South West None 2.2914.0 Conservatory None15.0 Draught Proofing 10016.0 Draught Lobby No17.0 Thermal Bridging Calculate Bridges17.1 List of BridgesSource Type Bridge Type Length Psi Imported

Table K1 - Approved E2 Other lintels (including other steel lintels) 19.38 0.300 YesTable K1 - Approved E3 Sill 17.44 0.040 YesTable K1 - Approved E4 Jamb 39.00 0.050 YesTable K1 - Approved E5 Ground floor (normal) 40.70 0.160 YesIndependently assessed E6 Intermediate floor within a dwelling 71.00 -0.007 YesTable K1 - Approved E10 Eaves (insulation at ceiling level) 5.00 0.060 NoTable K1 - Approved E11 Eaves (insulation at rafter level) 23.30 0.040 NoTable K1 - Approved E12 Gable (insulation at ceiling level) 2.40 0.240 NoTable K1 - Approved E13 Gable (insulation at rafter level) 22.00 0.040 NoTable K1 - Approved E16 Corner (normal) 27.56 0.090 YesTable K1 - Default R1 Head of roof window 7.86 0.080 YesTable K1 - Default R2 Sill of roof window 7.86 0.060 YesTable K1 - Default R3 Jamb of roof window 18.52 0.080 YesTable K1 - Default R6 Flat ceiling 23.30 0.060 NoTable K1 - Default R7 Flat ceiling (inverted) 2.40 0.040 NoTable K1 - Default R8 Roof to wall (rafter) 19.80 0.060 NoTable K1 - Default R9 Roof to wall (flat ceiling) 2.40 0.040 No18.0 Pressure Testing Yes Designed q50 3.50 Property Tested ? As Built q50 Same As Designed ?19.0 Mechanical Ventilation Mechanical Ventilation System Present

No

Approved Installation Windows open in hot weather Windows fully open Cross ventilation possible Yes Night Ventilation Yes Air change rate 8.00 Mechanical Ventilation data Type Type MV Reference Number Configuration MVHR Duct Insulated Manufacturer SFP Duct Type MVHR Efficiency Wet Rooms Brand, Model20.0 Fans, Open Fireplaces, Flues

MHS SHS Other TotalNumber of Chimneys 0 0 0 0Number of open flues 0 0 0 0Number of intermittent fans 5Number of passive vents 0Number of flueless gas fires 021.0 Cooling System No22.0 Lighting

© Elmhurst Energy Systems Limited Registered Office Unit 16, St Johns Business Park, Lutterworth, Leicestershire LE17 4HB

Page 8: SAP Calculations - Microsoft

SUMMARY FOR INPUT DATA FOR New Build (As Designed) Page 8 of 12

Internal Total number of light fittings 35 Total number of L.E.L. fittings 35 Percentage of L.E.L. fittings 100.00 External External lights fitted Yes Light and motion sensors Yes23.0 Electricity Tariff Standard24.0 Heating Systems Main Heating 1 Manufacturer Description Mains Gas Percentage of Heat 100 % Main Heating 2 None Description Percentage of Heat % Community Heating Secondary Heating Manufacturer Water Heating Main Heating 1 Flue Gas Heat Recovery System No Waste Water Heat Recovery Instantaneous System 1

No

Waste Water Heat Recovery Instantaneous System 2

No

Waste Water Heat Recovery Storage System

No

Solar Panel No25.0 Main Heating 1 Database Ref. No. Fuel Type Main Heating BGB TestMethod SAP Code 102 Efficiency ( Manufacturer ) % 90.1 Efficiency ( Manufacturer ) % In Winter In Summer Model Name ? Manufacturer ? Controls CBI Time and temperature zone control PCDF Controls 0 Delayed Start Stat Yes Sap Code 2110 Burner Control On/Off Boiler Compensator HETAS approved System Oil Pump Inside FI Case FI Water Flue Type Balanced Smoke Control Area Fan Assisted Flue No Is MHS Pumped Pump in heated space Heat Emitter Radiators and Underfloor Underfloor Heating Yes - Pipes in thin screed Flow Temperature Normal (> 45°C) Electric CPSU Temperature Combi boiler type Combi keep hot type Combi store type27.0 Community Heating Space Community Heating PCDF Index Distribution Loss Distribution Loss Value Controls SAP Code Water Community Heating PCDF Index Distribution Loss Distribution Loss Value Charging Linked To Heat Use28.0 Secondary Heating RWM Description Wood Logs RWM Closed room heater SHS efficiency % 78.00 SAP Code 633 HETAS Approved System Yes

© Elmhurst Energy Systems Limited Registered Office Unit 16, St Johns Business Park, Lutterworth, Leicestershire LE17 4HB

Page 9: SAP Calculations - Microsoft

SUMMARY FOR INPUT DATA FOR New Build (As Designed) Page 9 of 12

Smoke Control Area Unknown Test Method BS EN 1266 Manufacturer ? Model Name ?29.0 Water Heating HWP From main heating 1 Water use <= 125 litres/person/day Yes SAP Code 901 Immersion Heater Summer Immersion Suplementary Immersion Immersion Only Heating Hot Water29.1 Flue Gas Heat Recovery System Database ID Brand Model Details29.2 Waste Water Heat Recovery System Total rooms with shower and/or bath30.0 Hot Water Cylinder Hot Water Cylinder Cylinder Stat Yes Cylinder In Heated Space Yes Independent Time Control Yes Insulation Type Foam Insulation Thickness Cylinder Volume 200.00 Loss (kwh/day) Pipes insulation Fully insulated primary pipework In Airing Cupboard31.0 Solar Panel Solar Panel Area Area Type Panel Type n0, a1, a2, A/G ratio Orientation Elevation Overshading Solar Storage Volume Pump electrically powered Combined Cylinder32.0 Thermal Store None Thermal Store Pipework33.0 Photovoltaic Unit Apportioned KWh/Year34.0 Wind Turbines Terrain Type Urban Wind Turbines Count Apportioned Kwh/year Rotor Diameter Hub Height35.0 Small-scale Hydro Electricity Generated Description Apportioned kWh/YearRecommendations None

Further measures to achieve even higher standardsSolar photovoltaic panels, 2.5 kWp £5,000 - £8,000 £281 A 92 A 92

© Elmhurst Energy Systems Limited Registered Office Unit 16, St Johns Business Park, Lutterworth, Leicestershire LE17 4HB

Page 10: SAP Calculations - Microsoft

Sample Report Ltd1 Sample StreetSampletown

Thermal Bridging Page 10 of 12

Property Reference: 000283 Issued on Date: 28.Nov.2016Survey Reference: 001 Prop Type Ref:Property: Plot 1 , Tillbridge Lane, Sturton by Stow, LINCOLN, LN1 2DSSAP Rating: 86 BEnvironmental:87 B

CO2 Emissions (t/year): 2.49General Requirements Compliance: Pass

DER: 13.19 PassDFEE:45.15 Pass

TER: 13.34TFEE:49.63

Percentage DER<TER: 1.13 %Percentage DFEE<TFEE: 9.02 %

CfSH Results Version: ENE1 Credits: N/A ENE2 Credits: N/A ENE7 Credits: N/A CfSH Level: N/ASurveyor: Andrew Allison, Tel: 01673860100 Surveyor ID: 1276-0001Address: Lincoln Road , Welton, Lincoln, Lincolnshire, LN2 3PZClient:Software Version: Elmhurst Energy Systems SAP2012 Calculator (Design System) version 3.07r06SAP version: SAP 2012, Regs Region: England (Part L1A 2013), Calculation Type: New Build (As Designed)

Junction detail SourceType

Psi(W/mK)

Length(m) Result Reference

External wall E2 Other lintels (including other steel lintels) Table K1 - Approved 0.300 19.38 5.81

External wall E3 Sill Table K1 - Approved 0.040 17.44 0.70External wall E4 Jamb Table K1 - Approved 0.050 39.00 1.95External wall E5 Ground floor (normal) Table K1 - Approved 0.160 40.70 6.51External wall E6 Intermediate floor within a dwelling Independently

assessed -0.007 71.00 -0.50 Plasmor TB calculation

External wall E10 Eaves (insulation at ceiling level) Table K1 - Approved 0.060 5.00 0.30External wall E11 Eaves (insulation at rafter level) Table K1 - Approved 0.040 23.30 0.93External wall E12 Gable (insulation at ceiling level) Table K1 - Approved 0.240 2.40 0.58External wall E13 Gable (insulation at rafter level) Table K1 - Approved 0.040 22.00 0.88External wall E16 Corner (normal) Table K1 - Approved 0.090 27.56 2.48External roof R1 Head of roof window Table K1 - Default 0.080 7.86 0.63External roof R2 Sill of roof window Table K1 - Default 0.060 7.86 0.47External roof R3 Jamb of roof window Table K1 - Default 0.080 18.52 1.48External roof R6 Flat ceiling Table K1 - Default 0.060 23.30 1.40External roof R7 Flat ceiling (inverted) Table K1 - Default 0.040 2.40 0.10External roof R8 Roof to wall (rafter) Table K1 - Default 0.060 19.80 1.19External roof R9 Roof to wall (flat ceiling) Table K1 - Default 0.040 2.40 0.10

Total W/mK: 25.01Y-Value W/m2K: 0.065

Page 11: SAP Calculations - Microsoft

Sample Report Ltd1 Sample StreetSampletown

U-value calculator report Page 11 of 12

Property Reference: 000283 Issued on Date: 28.Nov.2016Survey Reference: 001 Prop Type Ref:Project: Plot 1 , Tillbridge Lane, Sturton by Stow, LINCOLN, LN1 2DSCalculation Type: New Build (As Designed)SAP Rating: 86 BEnvironmental:87 B

CO2 Emissions (t/year): 2.49General Requirements Compliance: Pass

DER: 13.19 PassDFEE:45.15 Pass

TER: 13.34TFEE:49.63

Percentage DER<TER: 1.13 %Percentage DFEE<TFEE: 9.02 %

CfSH Results Version: ENE1 Credits: N/A ENE2 Credits: N/A ENE7 Credits: N/A CfSH Level: N/ASurveyor: Andrew Allison, Tel: 01673860100 Surveyor ID: 1276-0001Address: Lincoln Road , Welton, Lincoln, Lincolnshire, LN2 3PZClient:Software Version: Elmhurst Energy Systems SAP2012 Calculator (Design System) version 3.07r06SAP version: , Regs Region: England (Part L1A 2013), Calculation Type: New Build (As Designed)

Building Elements:

Wall 000001 - Aglite with32Wall Type: Standard WallLayer Description Thickness Conductivity Resistance FractionExt surface 0.0400Layer 1 Brick, outer leaf

Main construction 100 mm 0.7700 0.1299 82.81 %Bridging - Mortar 100 mm 0.9407 17.19 %

Layer 2 Earthwool Dritherm 32 UltimateMain construction 100 mm 0.0320 3.1250 100.00 % Corrections - Air Gap: Level 1, Fasteners: None or plastic

Layer 3 Aglite 4.2NMain construction 100 mm 0.3100 0.3226 93.43 %Bridging - Mortar 100 mm 0.8803 6.57 %

Layer 4 airspace/plaster dabsMain construction 15 mm 0.0882 0.1700 80.00 %Bridging - Mortar 15 mm 0.0882 20.00 % Corrections - Cavity Unventilated, Emissivity: Normal

Layer 5 Plasterboard, standardMain construction 12.5 mm 0.2100 0.0595 100.00 %

Int surface 0.1300Total resistance: Upper limit = 3.958 m2 K/W Lower limit = 3.937 m2 K/W Average = 3.948 m2 K/W

Total correction = 0.0063 m2 K/W U-value (unrounded) = 0.25 W/m2 KUnheated space: None

Total thickness: 328 mm U-value: 0.25 W/m2 K Kappa: n/a

© Elmhurst Energy Systems Limited Registered Office Unit 16, St Johns Business Park, Lutterworth, Leicestershire LE17 4HB

Page 12: SAP Calculations - Microsoft

Sample Report Ltd1 Sample StreetSampletown

U-value calculator report Page 12 of 12

Property Reference: 000283 Issued on Date: 28.Nov.2016Survey Reference: 001 Prop Type Ref:Project: Plot 1 , Tillbridge Lane, Sturton by Stow, LINCOLN, LN1 2DSCalculation Type: New Build (As Designed)SAP Rating: 86 BEnvironmental:87 B

CO2 Emissions (t/year): 2.49General Requirements Compliance: Pass

DER: 13.19 PassDFEE:45.15 Pass

TER: 13.34TFEE:49.63

Percentage DER<TER: 1.13 %Percentage DFEE<TFEE: 9.02 %

CfSH Results Version: ENE1 Credits: N/A ENE2 Credits: N/A ENE7 Credits: N/A CfSH Level: N/ASurveyor: Andrew Allison, Tel: 01673860100 Surveyor ID: 1276-0001Address: Lincoln Road , Welton, Lincoln, Lincolnshire, LN2 3PZClient:Software Version: Elmhurst Energy Systems SAP2012 Calculator (Design System) version 3.07r06SAP version: , Regs Region: England (Part L1A 2013), Calculation Type: New Build (As Designed)

Building Elements:

Floor 000002Floor Type: Suspended FloorArea = 70.30 m2, Perimeter = 40.70 m, Wall thickness = 275.00 mm, Soil: UnknownDepth of underfloor space below ground:0.200 m Floor wind shielding: Average (suburban)Floor height above ground:h = 0.200 mU-value of walls above ground:Uw = 1.500 mVentilation openings per perimeter length:e = 0.0015 %Mean wind speed:v = 5.000 m/sResistance on solum:Rg = 0.000 m2K/WLayer Description Thickness Conductivity Resistance FractionExt surface 0.1700Layer 1 Screed

Main construction 65 mm 1.1500 0.0565 100.00 %Layer 2 Kooltherm K3 Floorboard (45mm +)

Main construction 140 mm 0.0200 7.0000 100.00 % Corrections - Air Gap: Level 1, Fasteners: None or plastic

Int surface 0.1700Total resistance: Upper limit = 7.397 m2 K/W Lower limit = 7.397 m2 K/W Average = 7.397 m2 K/W

Total correction = 0.0090 m2 K/W U-value (unrounded) = 0.12 W/m2 KUnheated space: None

Total thickness: 205 mm U-value: 0.12 W/m2 K Kappa: 0.00 kJ/m2 K

© Elmhurst Energy Systems Limited Registered Office Unit 16, St Johns Business Park, Lutterworth, Leicestershire LE17 4HB