How Much Hotter Is A Black Roof

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How much hotter is a black roof.

Yes black will be hotter. We took two nearly identical vehicles one white and one black and let them bake in the hot georgia summer sun. 460 hoover street ne minneapolis mn 55413. Basf cool paint 105 115 or up to 42 cooler than unpainted metal.

However there are a few simple solutions that will leave you worry free after your new black roofing installation. Furthermore even if metals get very hot to the touch they generally cool down much faster than traditional tiles or shingles. When we measured the interior temperature after a few hours we discovered this isn t just an old wives tale. However that is not the case when it comes to modern roofs.

As you ve probably heard from many the color of your roof does affect how much heat is absorbed into your attic. The mythbusters experiment can be a good example when comparing the temperature in white cars vs black cars. Well it depends on the weather conditions. A federal study has shown that the plywood under dark roofs in direct sunlight is consistently 10 to 15 f hotter than the plywood boards under light colored roofs.

9771 312th street way cannon falls mn 55009. If uv rays play a bigger role in the length of your investment you come out behind there still too. If you think back to your elementary science class it s pretty. Heat does increase molecular activity so that means the hotter temperatures that black roof shingles run at play a role in lifespan reduction.

If black is your preferred roof color you might think that a black metal roof would absorb more radiant heat since it is dark. They pitted a white car against a black one and put a thermometer inside them. The black car s cabin measured a scorching 130 degrees fahrenheit while the white car s interior registered only. If you re worried about whether a black roof will make your home too hot then don t be.

A dark roof absorbs more heat from the sun. After a certain time the white car temperature reached 125 f and the black. 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. It can play a role and affect energy cost but it won t make a cold house hot and vice versa.

If you find there s a bit too much heat in your home there are a few steps to follow to help get things in order.