White roofs are better for your heating bill and the planet.
Why use a white roof.
Rainwater that falls on a white roof however absorbs no heat.
White roofs don t absorb as much heat which greatly extends the life of the roofing material.
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.
Unlike a black roof a white roof will not absorb any heat.
The benefits of a white roof.
First find a good paint.
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.
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.
Painting your roof white can be as easy as painting any surface.
If you re in a very cold climate your roof if probably covered by reflective white snow for most of the winter regardless.
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.
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.
While white reflects.