How To Make Roof Absurb Less Heat

Even the dark metal colors retain less heat than the relatively light shingles.

How to make roof absurb less heat.

Still the shine of bright white on a roof is imposing and can take away from the overall aesthetic of the house. As a result your air conditioner operates more efficiently uses less energy and leads to lower utility bills. One is to replace the surface layer with white gravel or reflective marble chips to increase its solar reflectance. Cool roofs can be made of a highly reflective type of paint a sheet covering or highly reflective tiles or shingles.

Awell insulated house will gain only 1 f 0 6 c per hour if the outside temperature is 85 to 90 f 29 to 32 c. The best way to beat the heat is to not absorb it in the first place. In areas with cool nights and very hot days let the night air in to cool your house. If you have a light roof your home absorbs less heat through the roof during summertime.

By the time the interior heats up the outside air should be cooler and can be allowed indoors. I can tell you that my experience is that any metal roof is cooler than asphalt shingles. Light colors such as off white light yellow and light gray do not reflect as much heat as white but they reflect enough to lower the ambient temperature to a lesser extent. Some roofing materials come in cool roof options and others can be altered with a highly reflective type of paint or coating to absorb less heat.

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. White is the most reflective color and white metal roofing can actually lower the ambient temperature in the home by reflecting more of the sun s rays into the environment.