Why Use A White Roof

Rainwater that falls on a white roof however absorbs no heat. Department of energy there is widespread belief that white reflective roofing systems even on buildings in northern cities like new york and chicago are more efficient and more cost effective than dark roofing and that these systems also reduce global warming and the heat island effect in which dark colored building materials raise the ambient temperature in urban areas by a few degrees in summer. In fact white is a reflective surface which means it will do the exact opposite it will reflect the sun s rays thereby helping to keep the heat outside of your home.

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If however you have a slanted roof or have never worked on a rooftop before you may want to consider contracting the help of a professional painter.

Why use a white roof.

Unlike green roofs which can require considerable infrastructure to support and maintain cool roofs can be achieved with a painted on coating to an already existing roof. Generally white in color or with white surfacing these membranes reduce the solar radiation collected by roofing surfaces which lowers the roof surface contribution to the energy used to condition air and to the local environment. From leed the cool roof rating council and energy star program all the way up to the u s. White roofs are better for your heating bill and the planet.

Painting your roof white can be as easy as painting any surface. The benefits of a white roof. First find a good paint. Unlike a black roof a white roof will not absorb any heat.

In addition to keeping your cooling costs down while improving the comfort of your home a white roof will also help prevent problems associated with excessive heat. If you re in a very cold climate your roof if probably covered by reflective white snow for most of the winter regardless. While white reflects. 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.

White roofs don t absorb as much heat which greatly extends the life of the roofing material.

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