Painting Flat Roof White

Their modeling showed that an increase in white surfaces could reduce the overall cloudiness of the area which would allow more sunlight and heat in the. 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. 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.

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We ve also shared a few steps on how to apply it to your own roof.

Painting flat roof white.

Painting roofs white has been like changing lightbulbs one of the well cited easy ways out of climate change. The thing that no one discusses is how to paint your roof. Painting your roof with white solar reflective paint can lower energy use by 10 to 40 percent. Twin home experts review on sure coat white reflective coating system for flat roofs.

By reflecting more light and heat back to the atmosphere a white roof should act like. Steven chu the u s. However while this measure may have some positive results for individual homes looking to save energy in the long run some evidence shows that if we painted all our roofs white it might be damaging to the environment. 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.

But there are problems with this approach mainly finding a paint that will adhere to the asphalt shingles and last for more than a. A black roof by contrast can. A white roof reflects around 85 of the sunlight that hits it at least when it s clean and heats to just a few degrees warmer than the outside air temperature. White roof coating should have a very thick consistency.

A stanford study for instance concluded that white roofs might actually have the opposite of the intended effect. 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. And using less energy means you are cutting down substantially on your own carbon footprint. Painting your roof white works but 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.

The elongation properties of a high quality coating should be in the range of 375 400.

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