The surface of a cool roof reflects more sunlight and releases more heat than a so called hot or dark roof.
Reflect heat from roof.
Reduce local air temperatures sometimes referred to as the urban heat island effect lower peak electricity demand which can help prevent power outages.
Metal roofs not only have 25 95 recycled content depending on the material used but are also 100 recyclable at the end of their life as a roof.
Another way to reflect heat is to install a radiant barrier on the underside of your roof.
There are few green building choices smarter than a cool roof in hot climates.
Solar reflective shingles are designed specifically to reduce the absorption of the suns infrared radiation by reflecting ir rays off the surface of the roof thus not allowing the heat to be transferred to the interior of the structure i e.
A radiant barrier is simply a sheet of aluminum foil with a paper backing.
The attic under the roof.
I can tell you that my experience is that any metal roof is cooler than asphalt shingles.
Use light color metal roof with overhangs to shade the walls on the south and west sides.
The leed for homes rating system even rewards points for buildings who s roof surface meets a certain reflective criteria 29 sri solar reflective index what is new about this is that it is a doubled layer paint so it has heat reflective qualities but it is not limited to white.
Not only that but white paints also reflect heat at infrared wavelengths which a human eye cannot see and.
The best way to beat the heat is to not absorb it in the first place.
Infrared radiation is a spectrum of light that generates significant amounts of heat on roof surfaces.
When installed correctly a radiant barrier can reduce heat gains through your ceiling by about 25 percent.
Reflect tec combines industry leading kynar aquatec technology with patented heat reflective technology making it a superior one component coating.
Reduce power plant emissions including carbon dioxide sulfur dioxide nitrous oxides and mercury by reducing cooling energy.
Likewise a roof painted in whit will be cooler inside than that of a darker shade.
Metal roofs reflect solar radiant heat which can reduce cooling costs by 10 25.