Temperature Of A Steel Roof In The Sun

As a reasonable first approximation for a maximum design temperature for solar heating of steel used in typical construction.

Temperature of a steel roof in the sun.

The iron isn t going to melt. White is the most reflective color and white metal roofing can actually lower the ambient temperature in the home by reflecting more of the sun s rays into the environment. If it s out of reach don t worry about it. Other roofing materials capture and retain the sun s heat.

A definitive answer is not possible. White shingles keep vented attics more than 15 degrees cooler than black shingles and a reflective metal roof would do more than that. Still the shine of bright white on a roof is imposing and can take away from the overall aesthetic of the house. A more obtainable maximum temperature for a properly designed solar collector is 150 degrees f.

Imho i would still hedge my bets a little and suggest 180 degrees f. If the building is located in hammerfest norway the metal might get warm to the touch. Here s the kind of temperatures you can expect your roof to reach this summer depending on its surface. Third many metal roofs especially the shingle shake and tile look ones have an integral airspace between the metal and the roof deck.

Different sources report different temperatures. If it s on the sun facing side in las vegas you may find it gets hot enough to cause burns. Degrees fahrenheit on a sunny 90 degree day.