When applied properly a white roof coating should be able to expand and contract even with the most extreme thermal cycles and not crack bubble lift chip or peel.
Paint your roof tops white.
The elongation properties of a high quality coating should be in the range of 375 400.
White roofed villa in greece.
The residents were also against painting roofs white because roofs are also used for other purposes says renu khosla from the delhi based centre for urban and regional excellence.
And using less energy means you are cutting down substantially on your own carbon footprint.
Now this may beg the question if white roofs keep my home cool in the summer won t they also keep it cool in the winter thus increasing my heating costs.
By reflecting more light and heat back to the atmosphere a white roof should act like.
Painting your roof white could help slow climate change by reflecting sunlight back into space.
If your stone is busy pick a solid colored roof.
Painting roofs white has been like changing lightbulbs one of the well cited easy ways out of climate change.
Just because it s included doesn t mean you need to use it.
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.
Wild eco goose chase or radical thinking.
Painting your roof with white solar reflective paint can lower energy use by 10 to 40 percent.
White roof coating should have a very thick consistency.
But there are problems with this approach mainly finding a paint that will adhere to the asphalt shingles and last for more than a few years.
Pick light trim colors for white vinyl window frames.
So would painting the moon.
Painting your asphalt shingle roof white can indeed make your roof surface 45 80 f cooler under the hot texas sun and this should easily cut your cooling bills by 10 15.
Steven chu the u s.