Paint Roof White 2017

The easiest way to reflect the sun s rays is to paint a roof white something the greeks have been doing for centuries.

Paint roof white 2017.

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. Find a medium gray that is dark enough to stand out from your white roof but not overbearing. That in turn keeps your whole house cooler. A white roof reflects around 85 of.

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. The same principal can work for your roof. Improving your roof s reflectivity by just 40 to 50 percent can reduce your cooling bills by around 20 percent.

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. For trim choose a white that matches your roof if possible. Wed 12 apr 2017 23 35 edt. The thing that no one discusses is how to paint your roof.

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. A white roof when kept clean reflects more than 80 percent of the sunlight that falls on it. Steven chu the u s.