Second it exhibits thermal emittance where the heat that is absorbed by your roof is then reflected back instead of getting into your building.
Sun heat protection for roof.
Just as wearing light colored clothing can help keep you cool on a sunny day cool roofs material that is designed to reflect more sunlight and absorb less heat than a standard roof.
1 sealing and coating the roof to protect against harmful uv rays that can cause damage.
One is to replace the surface layer with white gravel or reflective marble chips to increase its solar reflectance.
It is a sun reflective paint and aims to reduce the roof temperature.
The contractors will clean your roof and use an aerosol spray to seal your roof in polyurethane foam.
If you haven t encountered reflective roof coatings these are coatings you apply to metal and rubber roofs to reduce heat from roof top.
They reflect about 74 percent of the sun s energy away from the roof source.
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4 painting your roof white to cool the surface.
2 installing vapor barriers that decrease moisture.
Reflective coatings work one out of two ways.
Cool roofs can be made of a highly reflective type of paint a sheet covering or highly reflective tiles or shingles.
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As the foam settles it will adhere to the roof s material and keep water and heat out.
To waterproof your roof while protecting it from the sun hire a contractor to install a polyurethane foam on top of your roofing material.
First the coating reflects sunlight the moment it hits your roofing surface.
Idea should be to prevent sun rays from hitting your roofs directly the best solutions is to have a raised coated aluminium sheet cover on preferably metal stilts or pillars above the concrete roof.
Coolroof is a high sri and high albedo coating which can be applied on all types of roofs.
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Traditionally the asphalt and surface gravel in a built up roof have been black or dark gray trapping much more light and heat than they release but there are several ways to make a built up roof cool.