Carrefour reduces building heat load with Thermal Barrier Paint

Carrefour Lopburi

Heat load reduction after coating with Planet Supra Thermal Barrier Paint

Lopburi (Thailand), January 2010

Planet Supra is a Carbon Offset product: each 10 cans used reduce CO2 emissions by 1 Ton per year as certified by Carbon Offset Japan (COJ).

Project’s total carbon offset1.1 Ton of CO2 per year for 10 years

Project overviewBuilding: Carrefour Lopburi, ventilated warehouse (back of house)

Roof: 440m2 metal sheet half roof with skylights, aluminum foam insulation

Objective: to reduce building heat load

Solution: coat with Planet Supra Thermal Barrier Paint

• superior solar reflection performance per JIS 3106:1998(a):

- near-infrared rays area: 94.6%- thermal emittance: 93.6%- all wavelength band area: 92.3%- visible rays area: 90.4%

• 100% eco-friendly, helps fight Global Warming:- water based, VOC free- certified(b) to help mitigate global warming: offsets 1 Ton of CO2 per year

• 10 year lifespan, applicable like normal paint without need for primer

• non-inflammable, mold-free, crack-free(a) Japanese Industrial Standard (b) by Carbon Offset Japan - COJ

Interchange 21 Bldg., 32nd fl., 399 Sukhumvit Road, North Klongtoey, Wattana, Bangkok 10110, ThailandP: +66 (0) 2660 3601 F: + 66 (0) 2660 3881 E: [email protected] W: www.tradinggreenltd.com

Carrefour Lopburi

Painting process

January 7th, 2010



Step 1: clean with high-pressure water


Step 2: apply 2 coats of Planet Supra White


Step 2: apply 2 coats of Planet Supra White

Half of the rooftop was painted in order to simultaneously record temperatures on the same building. The purpose is to clearly demonstrate Planet Supra’s benefits in reducing heat load and save on air-conditioning costs before rolling out the solution.

Unpainted

Painted


Step 3: record temperature differences

Electronic data loggers record temperature in degrees Celsius every 10 minutes, 24h/24h


Carrefour Lopburi

Heat load reduction

January 9th to January 19th, 2010




Building heat load reduction overview

Rooftop = roof surface outdoorsRoof backside = roof surface indoors

Temperature differences recorded from Jan. 9th to Jan. 19th 2010, from 7am to 7pm, between painted and unpainted roof sections:

7am to 7pm

Outdoors ambient average

Average difference Maximum difference

RooftopRoof

backsideRooftop

Roof backside

09-Jan 28.2°C -4.0°C -9.0°C

10-Jan 29.8°C -6.9°C -13.0°C

11-Jan 30.3°C -6.9°C -12.0°C12-Jan 30.2°C -9.5°C -4.9°C -18.0°C -10.0°C13-Jan 28.0°C -7.2°C -4.1°C -15.5°C -8.5°C

14-Jan 26.6°C -5.8°C -3.0°C -16.0°C -6.5°C15-Jan 27.8°C -6.3°C -3.6°C -13.5°C -7.0°C

16-Jan 28.2°C -5.6°C -3.4°C -12.0°C -7.5°C17-Jan 27.0°C -7.2°C -4.3°C -15.0°C -8.5°C

18-Jan 26.3°C -6.6°C -3.8°C -14.0°C -8.0°C

19-Jan 27.3°C -8.6°C -5.2°C -15.5°C -11.0°C


More than 33% heat load reduction on roof surface outdoors

Temperature differences recorded from Jan. 12th 11:45am to Jan. 20th 2:14pm, between painted and unpainted roof sections:


More than 29% heat load reduction on roof backside indoors

Temperature differences recorded from Jan. 9th to Jan. 19th 2010, from 7am to 7pm, between painted and unpainted roof section:


Roof outdoors and indoors surface temperature overview

Temperature differences recorded from Jan. 12th 11:45am to Jan. 20th 2:14pm, between painted and unpainted roof sections. Note how painted rooftop outdoors is now almost same temperature as unpainted roof backside indoors!

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Zoom on Jan. 10th 2010, from 7am to 7pm

Ambient outdoors

Roof backside unpainted

Roof backside painted

-13°C -12°C

-9°C-6°C

-4°C


Carrefour reduces building heat load with Thermal Barrier Paint

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