Paint Roof White 2017

Find a medium gray that is dark enough to stand out from your white roof but not overbearing.

Paint roof white 2017.

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. A white roof when kept clean reflects more than 80 percent of the sunlight that falls on it. Improving your roof s reflectivity by just 40 to 50 percent can reduce your cooling bills by around 20 percent. 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.

Steven chu the u s. If not use a darker gray or add a bit of color with rose or burgundy around the windows doors and roof. The easiest way to reflect the sun s rays is to paint a roof white something the greeks have been doing for centuries. That in turn keeps your whole house cooler.

The elongation properties of a high quality coating should be in the range of 375 400. 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. 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. White roof coating should have a very thick consistency.

A white roof reflects around 85 of. Wed 12 apr 2017 23 35 edt. The effects are greatest in single story buildings.