White Cool Roof

Cool roof coatings are white or special reflective pigments that reflect sunlight.

White cool roof.

Cool roof rating council. A cool roof is a roofing system that delivers higher solar reflectance the ability to reflect the visible infrared and ultraviolet wavelengths of the sun reducing heat transfer to the building and higher thermal emittance the ability to radiate absorbed or non reflected solar energy than standard designed roofing products. Commonly referred to as cool roofing it has received a stamp of approval from the state of california which has adopted its use in its building codes. Black jack eterna kote 4 75 gallon silicone reflective roof coating lifetime warranty item 484330.

While the term cool roof is sometimes used to describe any roofing surface that is cooler than a standard rooftop green certification. Department of energy the surface of a cool roof reflects more sunlight and releases more heat than a so called hot or dark roof. Black jack elasto kool 1000 5 gallon elastomeric reflective roof coating 10 year limited warranty item 139941. Green building council and has been mandated by government officials in chicago.

Another factor is whether you opt to use standard roofing materials in light colors or install solar reflective shingles. Coatings are like very thick paints that can protect the roof surface from ultra violet uv light and chemical damage and some offer water protection and restorative features. White roofs aka cool roofs are a hot topic these days as a means to help stem global warming. White or reflective roofs have been in use for the past 15 years.

Historically cool roofs have been either white. Average costs for a cool roof determining cost depends largely on the slope of your roof though many homeowners prefer to not paint a steeply sloped roof white for aesthetic reasons. The research published in the journal scientific reports last year found that in a city like sydney australia a city wide array of solar panels could reduce summer. This system has been put into an online directory of more than 850 roofing products and is available for energy service providers building code bodies architects and specifiers property owners and community planners.

For pricing and availability. A cool roof is a roof designed to maintain a lower surface temperature in bright sunshine than a traditional roof source. Products are available for most roof types. It has become a leed leadership in energy and environmental design standard of the u s.

Solar panels cool daytime temperatures in a way similar to increasing albedo via white roofs according to a study by scientists at the university of new south wales.