Roof That Absorbs Least Heat
Shingles with a higher thermal emittance also allow less heat to transfer into a home.
Roof that absorbs least heat. Heavier thicker asphalt shingles can absorb alot of heat and are continously radiating conducting some of it to the sheathing and framing and thereby to the interior. A cool roof is a roof that has been designed to absorb less heat and reflect more sunlight than a standard roof. If you have a light roof your home absorbs less heat through the roof during summertime. Lighter colors are reflective and cause the heat from light rays to bounce off it s surface.
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. The roof reflects a portion of the sun s energy. Cool roofs lower roof temperatures on hot sunny days and therefore keep homes cooler inside saving energy by reducing the need for running air conditioning systems. Cool roofs can be made of a highly reflective type of paint a sheet covering or highly reflective tiles or shingles.
The roof radiates some of the absorbed heat back into the atmosphere. Since black roof shingles absorb the energy from the sun you lose the option to reflect the sunlight to create a cooler attic. As a result your air conditioner operates more efficiently uses less energy and leads to lower utility bills. What is a cool roof.
It can lower a homeowner s heating bills in a northerly climate but it raises the cooling bills of someone who lives closer to the equator. Metal roofs get hot too but should have substantially less capacity to absorb heat and should cool off faster. In contrast a dark roof likely raises the temperature inside your home s highest rooms. Owens corning cool roof collection shingles are specially designed to reflect the sun s energy and absorb less heat than standard shingles without limiting your color options.
Shingles with a higher solar reflectance allow less heat to transfer into a home. When the sunlight strikes a dark rooftop about 15 of it gets reflected back into the sky but most of its energy is absorbed into the roof system in the form of heat. This means that lighter color roofs hold much less heat than darker color roofs. Darker colors absorb more light trapping the heat in the roof and allowing it to flow into your attic and or top of your home.
A cool roof is a roofing product that reflects sunlight and absorbs less heat than traditional roofs. That s why you don t often see darker roofs in warmer climates.