Onyx Black Roof Versus White Heat

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Onyx black roof versus white heat.

White houses allow the roof to be a truly blank canvas. If you are re roofing your home and looking at how to match roof shingles to your house color there is one rule to follow. Maybe the black clothing prevents body heat from reflecting back on the human thus keeping the body cooler than a white outfit. It comes down to other variables such as your neighborhood home s architectural style and your personal preference.

The most popular colors of roof shingles are shades of black brown gray and red. Almost any color will look fantastic. The sun s radiation hits the roof surface some heat is absorbed by the roof and transferred to the building below solar reflectance. Chris so if you have solar panels on your roof for example that are heating water you don t want the water going through them when it s colder outside than the water is because you re turning them into very effective giant radiators.

How to match a new roof color to your home s current siding. In general dark colored roofing materials will absorb the heat and cause your attic and or the top of your house to be warmer than a lighter colored material. White clothing isn t exactly a. However except for reflective coated shingles some energy star rated shingles for instance or white or bare metal there is only about a 10 15 difference in the amount of energy absorbed between black and say a tan or beige and only a few percent between black and a gray red dark blue green or brown.

The fraction of solar energy that is reflected by the roof thermal emittance. How a roof reacts to heat from the sun. Owens corning s colour comparison tool allows you to compare shingle colours. So a black thing should be much better at emitting light than a white thing.

Dave that s right. The relative ability of the roof surface to radiate absorbed heat cool roof rating council. Stick with the basics. Edit answer for another 13 minutes yes black will be hotter.

Black and dark colored roofs. Below are a few common roofing colors that can make a big difference in your heating and or cooling bills.