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ONDULINE ROOFING SHEETS Thermal and acoustic qualities OFITECH for OFIC SA 35, rue Baudin ONDULINE ROOFING SHEETS Thermal and acoustic qualities OFITECH for OFIC SA 35, rue Baudin 92300 LEVALLOIS PERRET e-mail: [email protected] LL, May 2008 Title of the presentation Date

Thermal and Acoustic Qualities of ONDULINE sheets Heat Flow Warm Cold 1) Thermal qualities Thermal and Acoustic Qualities of ONDULINE sheets Heat Flow Warm Cold 1) Thermal qualities : Thermal conductivity : λ Ability of a material to conduct HEAT • Thermal resistance : R Ability of a product to reduce HEAT conduction • (most of the time heat transmission coefficient K=1/R is recorded) Title of the presentation Date

Thermal conductivity λ : (Ability of a material to conduct HEAT) Examples (materials) : Thermal conductivity λ : (Ability of a material to conduct HEAT) Examples (materials) : • Expansed Polystyrène : 0. 034 W/m. °C • Cork : 0. 1 W/m. °C • Bitumen : 0. 17 W/m. °C • Wood (pin): 0. 36 W/m. °C • Fiber cement : 0. 95 W/m. °C • Brick (Clay) : 1. 15 W/m. °C • Reinforced concrete : 1. 75 W/m. °C • Iron : 52 to 80 W/m. °C Low High The lower the value is, the lower HEAT λ conduction will be. 3 3

Thermal conductivity of ONDULINE: (French L. N. E certificate) Performed according to NF X Thermal conductivity of ONDULINE: (French L. N. E certificate) Performed according to NF X 10 -021 Test report DMAT/1707916 λ= 0. 099 W/m. °C Title of the presentation Date

Thermal conductivity λ : Examples (materials) : • Expansed Polystyrène : 0. 034 W/m. Thermal conductivity λ : Examples (materials) : • Expansed Polystyrène : 0. 034 W/m. °C • Cork : 0. 1 W/m. °C • Bitumen : 0. 17 W/m. °C • Wood : 0. 36 W/m. °C • Fibre cement : 0. 95 W/m. °C • Brick (Clay) : 1. 15 W/m. °C • Reinforced concrete : 1. 75 W/m. °C • Iron : 52 to 80 W/m. °C • Low High ONDULINE : 0. 099 W/m. °C ONDULINE value is very closed to Cork λ 5 5

Thermal RESISTANCE R : Performed on the product Thermal Insulation test performed by Sirim Thermal RESISTANCE R : Performed on the product Thermal Insulation test performed by Sirim QAS International Sdn Bhd Test method: ISO 8990: 1994 Test report: 2004 CB 1300 Date: 23 August 2004 (Onduline sheet) 6 6

Resistance of Heat Transmission R Official laboratory test: 16°C cooler 16°C difference between high Resistance of Heat Transmission R Official laboratory test: 16°C cooler 16°C difference between high and low temperature rooms R= 0. 178 m². °C/W K= 1/R=5. 6 W/m². °C Thermal Insulation test performed by Sirim QAS International Sdn Bhd Test method: ISO 8990: 1994 Test report: 2004 CB 1300 Date: 23 August 2004

Thermal RESISTANCE Examples or equivalent : ONDULINE sheet R=0. 178 m². °C/W is equivalent Thermal RESISTANCE Examples or equivalent : ONDULINE sheet R=0. 178 m². °C/W is equivalent to : ~ 2 cm of cork ~ 7 cm of wood ~ 21 cm of bricks (clay) ~ 32 cm of concrete Etc…………. Warm Cooler (Until T 1 -16°C 8 8

Thermal RESISTANCE A building is cooler when compared to metal roof Customers testimonies : Thermal RESISTANCE A building is cooler when compared to metal roof Customers testimonies : Outside temperature Onduline = cooler Metal roofs = hotter

Thermal and acoustic Qualities of ONDULINE sheets SOUND Emission 2) Acoustic quality : Acoustic Thermal and acoustic Qualities of ONDULINE sheets SOUND Emission 2) Acoustic quality : Acoustic attenuation : SRI Ability of a product to reduce SOUND transmission Absorption (testing) Reception Expressed in decibels (d. B) (insulated box) Title of the presentation Date

Comfort Roof - Sound Absorption (3) Noise reduction SRI=28 d. B Performed according to Comfort Roof - Sound Absorption (3) Noise reduction SRI=28 d. B Performed according to BS EN 20354. Test report N°C/95/CL/1896/1

Comfort Roof – Impact noise Absorption Your building remains silent under tropical rain Customers Comfort Roof – Impact noise Absorption Your building remains silent under tropical rain Customers testimonies : Rainfall (shower) Onduline = (almost) silence Listen & compare Metal roof = noise

Comfort Roof - Impact noise Absorption No “drumming” effect at all under tropical rain Comfort Roof - Impact noise Absorption No “drumming” effect at all under tropical rain Onduline material being 3 mm thick and relatively soft, sound of tropical rain is greatly reduced; there is no “drumming” effect at all

Thermal and acoustic Qualities • Thermal conductivity : λ= 0. 098 W/m. °C Thermal Thermal and acoustic Qualities • Thermal conductivity : λ= 0. 098 W/m. °C Thermal resistance : R= 0, 178 m²/°C. W • Acoustic attenuation : SRI =28 d. B, (Sound Reduction Index) Title of the presentation Date

YOUR QUESTIONS…. ? Title of the presentation Date YOUR QUESTIONS…. ? Title of the presentation Date

THANK YOU FOR YOUR QUESTIONS. Title of the presentation Date THANK YOU FOR YOUR QUESTIONS. Title of the presentation Date