The benefits of Dulux® Cool Roof Commercial White

 

A) Weathered Galvanised Roof

Weathered Galvanised Roof can be up to 70+°C surface temperature. The heat gain to roof can filter to occupancy zones in warm conditions.

 

B) Cool Roof White

Cool Roof White surface temperature can be 20°C - 35°C cooler2. More radiant energy reflected before it’s absorbed. Cooler roof surfaces transmit less heat to occupancy zones.
 

Reflects radiation, lessens heat
Weathered Galv/Zincalume and Dark Coloured roofs often absorb large amounts of solar radiation which can in-turn transmit heat into occupancy zones. Cool Roofs reflect light energy in the first instance - before heat is absorbed, meaning insulation & cooling efficiencies are maximised.

Can help reduce cooling costs
Less heat penetration can lower cooling energy demand. Comparative Studies identify significant cooling energy savings are possible using Cool Roof Technology.[2]

Can improve occupancy comfort
In non-air conditioned facilities such as workshops and warehousing, cool roofs can translate to cooler working and warehousing facilities.

Can lower carbon foot print in warm climates
By lowering cooling energy demand, Cool Roofs have been identified as part of an effective mitigation strategy, to reduce global carbon emissions.



[1] 20-35ºC cooler surface example based on typical Dulux Case Study results to Oct 2012.
[2] Significant cooling energy saving potential based on Dulux Case Study: Open Plan Retail Warehouse on like day cooling energy demand & Studies by Lawrence Berkeley Heat Island Group with comparable high solar reflectance (TSR), high emissivity, Cool Roof White as qualified by product TSR and Emissivity data.