This is known as the albedo effect and many studies have documented significant energy savings from simply lightening the color of a roof.
Energy efficient white shingle roof.
Environmental protection agency s energy star program began rating roofing materials for energy.
Shingle roofs consist of overlapping panels made from a variety of materials such as fiberglass asphalt wood polymers or metals.
Energy star certified roof products reflect more of the sun s rays.
Metal is light energy efficient and durable.
How they can be made cool.
Residential roofing options include asphalt shingles metal clay tiles and concrete tiles.
For instance tamko s elite glass seal 3 tab shingle is one of tamko s entry level roofing options and this includes the energy star qualified white and glacier white color options.
Be sure to compensate for shingle color when considering energy efficiency and the efficacy of your building envelope.
1 cool your roof cool roofs are lighter in color than traditional black asphalt or dark wood shingles and save energy by reflecting light and heat away rather than absorbing them.
Buildig envelope effects of shingle color energy efficiency osb roof sheathing panels roofing roofing panels roofing tips.
From leed the cool roof rating council and energy star program all the way up to the u s.
Coating existing asphalt shingles to make them cool however is not normally recommended or approved by shingle manufacturers.
Actual savings will vary based on geographic location and individual building characteristics.
Energy star certified roof products can help reduce the amount of air conditioning needed in buildings and can reduce peak cooling demand by 10 15 percent.
Department of energy there is widespread belief that white reflective roofing systems even on buildings in northern cities like new york and chicago are more efficient and more cost effective than dark roofing and that these systems also reduce global warming and the heat island effect in which.
This can lower roof surface temperature by up to 50f decreasing the amount of heat transferred into a building.
This makes it a versatile and appealing product.
2 when installed properly this product will help reduce energy costs.
Buy cool asphalt shingles which use specially coated granules that provide better solar reflectance.
Commercial cool roof options include bright white membranes and white coatings.
Roofing is a long term commitment that must balance aesthetic appeal with energy efficiency.
All of these types of residential roofing products are now available with ir reflective color pigments which act to reduce the temperature of roofs and reflect heat away.
So in 1999 the u s.
With tamko s heritage laminated asphalt shingles in the glacier white color option it s possible to achieve the appearance of traditional wood shake.
The hotter the roof the more energy it takes to cool the building beneath it.
