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.
Cool roofing materials.
It makes perfect sense.
Shingle roofs consist of overlapping panels made from a variety of materials such as fiberglass asphalt wood polymers or metals.
Coating existing asphalt shingles to make them cool however is not normally recommended or approved by shingle manufacturers.
But over the past few years the number of cool roofing materials and options has.
Here s a quick rundown of some options.
There are different cool roof standards for commercial low slope roofs and residential steep slope roofs.
Additionally they look very stylish and aesthetic especially if your design is more rustic.
Applying coatings over existing shingles can prevent them from drying causing water damage.
Materials for steep sloped cool roofs include asphalt shingles metal roofing tiles and shakes.
Roofing materials and colors impact how buildings and even entire cities handle heating and cooling.
Connor is it that simple.
Clay tiles can even last up to 100 years without severe damage or wear and tear.
Some of the most popular materials used for cool roofing are.
How they can be made cool.
Researchers have been studying materials that can reduce solar reflectance and thermal emittance for decades if only so that energy consumption due to cooling buildings could be reduced.
Simply put repel the heat keep your home cool.
The first cool roof material was introduced in california in 2001.
The cool roof rating council was created in 1998 to develop accurate and credible methods for evaluating and labeling the solar reflectance and thermal emittance radiative properties of roofing products and to disseminate the information to all interested parties.
Built up roofing bur consists of built up layers of coated asphalt and insulation applied on site and can be covered with a capsheet or surfacing material.
United states energy secretary stephen chu even suggested that painting all roofs and roads white or light colored could reduce the electricity costs of running air conditioning by 10 to 15 percent source.
Type product design cool factor asphalt shingle presidential solaris gold not all asphalt.
With a variety of style choices and materials it s easier than ever to find the perfect cool roof.
The cool products found on the crrc rated products directory in this category refer to the properties of the capsheet.
Cool roof materials are specially designed to help reflect the sun s heat.
Cool roofing is not an entirely new concept.
Built up roofing includes asphalt and coal tar pitch.
Residential roofing options include asphalt shingles metal clay tiles and concrete tiles.
Buy cool asphalt shingles which use specially coated granules that provide better solar reflectance.
Historically cool roofs have been either white.