Roof Material Taht Absorbs Little Heat

Or course color isn t the only aspect of your roof that affects home temperature.

Roof material taht absorbs little heat.

In most cases a cool roof will stay at least 50 f cooler than a non cool roof of the same color and construction. A cool roof is a roof that has been designed to absorb less heat and reflect more sunlight than a standard roof. 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. While newer asphalt shingles are a good option nothing reflects more heat than metal roofing.

Modified bitumen roofing is a membrane made up of sheets of plasticized or rubberized asphalt held together with rolled reinforcing fabric and fastened to the roof deck with hot asphalt or cool adhesive. 1 building owners and roofing contractors have used cool roofing products for more than 20 years on commercial industrial and residential buildings. Metal roofs are not often seen on residential homes in florida and you may think that metal will get too hot resulting in hot air underneath the roof. Cool roofs can be made of a highly reflective type of paint a sheet covering or highly reflective tiles or shingles.

One of the most common cool roof options for a flat or low sloped roof is a modified bitumen roof. In general lighter colored roofs reflect away heat rays from the sun but dark colored roofs absorb much of that heat and transfer it into the rooms below. Painting and trying out planting green cover for your roofs is only trying to reflect or partially absorb the heat after it has reached your roof. The roofing material also affects how reflective your roof is.

A cool roof is one that has been designed to reflect more sunlight and absorb less heat than a standard roof. With a quick touch our senses tell us so. Together these properties help roofs to absorb less heat and stay up to 50 60 f 28 33 c cooler than conventional materials during peak summer weather. The aluminium backed panels now sit on the shop s roof their mirrored surfaces coated with a thin cooling film and angled to the sky.

On the other hand says adam paxson a phd candidate in mit s mechanical engineering department there are phase change materials pcms latent heat storage materials that absorb and release heat without rising in temperature themselves. Painting is expensive depending on which material you use and green cover maintenance is not an easy job especially in chennai like climate.