Major roof costs include upfront installation materials and labor and ongoing maintenance repair recoating and cleaning.
White roof paint energy savings.
Judge what fraction of the savings with on peak rates is appropriate.
This is known as the albedo effect and many studies have documented significant energy savings from simply lightening the color of a roof.
The misunderstanding is that while white roof paint can have some initial reflective value it does not eliminate heat nor does it have any waterproofing abilities.
Steven chu the u s.
Just one application of this henry 287 solar flex white roof coating provides up to 7 years of protection.
This coating is a premium elastomeric water based acrylic latex coating.
The benefits of a white roof.
Not only that you get to save the planet.
If your energy costs are determined by on peak and off peak rates print out results of separate estimates with on peak and off peak rates for the same roof.
The coating is also highly resistant to disbonding chalking mildew and.
Lower roof temperatures have been proven to decrease internal building temperatures resulting in recurring savings from reduced air conditioning needs.
White roof paint is often mistaken for and confused with white roof coating.
It is commonly mentioned as a way to reduce the global warming effect or conserve energy.
Add the federal tax credits available for cool.
It protects your roof from the elements while significantly reducing energy costs.
Black surfaces in the sun can become up to 90 f hotter than the most reflective white surfaces.
Even if you achieved an energy savings of just 1 5 of that amount you d be looking at a savings of 2 000 over the life of the roof assuming a 20 year lifespan.
Secretary of energy and a nobel prize winning scientist has said that painting roofs white or another light color would help to reduce global warming by reflecting sunlight back into space it would be like removing every vehicle from the planet for 11 years.
Apoc cool roof restoration systems deliver high solar reflectivity and thermal emittance which significantly reduce roof temperatures.
Additional cool roof costs include specialized materials and labor.
The beneficial summer cooling provided by our gaf white elastomeric roof coatings has been shown to actually offset any beneficial heat gain.
Switching to a white roof can actually reduce energy use by about 20 percent in hot sunny weather according to the lawrence berkeley national laboratory heat island.
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.
Manually compute the difference in savings to compare the two non black roofs.