Roof Temperatures In Summer

The maximum sheathing temperatures recorded were 168 f 76 c for black shingled roofs and 147 f 64 c for white shingled roofs.

Roof temperatures in summer.

This actually speeds up the effects we looked at in the last paragraph. What kills shingles isn t so much the temperature. A roof without shade might get up to 160 degrees f when the outside air temperature is only 90 degrees. An unventilated attic can also exacerbate the problem and make damage more likely.

This fsec study didn t look at shingle lifetime but i think that adding 9 degrees to a temperature of 150 degrees won t make much difference. Your roof bears the brunt of the sun s force and is exposed to a lot of heat during the summer. It s the ultraviolet radiation that they re subjected to all the time. Here s the kind of temperatures you can expect your roof to reach this summer depending on its surface.

Degrees fahrenheit on a sunny 90 degree day. Let s look at the four most important roofing factors that affect the temperature of your home. Color of your roof. The average temperature difference through the day was about 2 degrees f.

Different sources report different temperatures. This also speeds up the damaging effect of the uv rays and causes other problems. An unshaded roof can reach temperatures of as much as 65 to 90 c.