Temperature Of A Steel Roof In The Sun

If people can touch it easily the temperature is a concern.

Temperature of a steel roof in the sun.

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. Different sources report different temperatures. Imho i would still hedge my bets a little and suggest 180 degrees f. A more obtainable maximum temperature for a properly designed solar collector is 150 degrees f.

Second metal roofs lose any gained heat very quickly to the sky when the sun sets or goes behind a cloud or even when a slight breeze blows. Tom i think metal roofs wouldn t show as big a temperature difference because they reflect a lot of the solar radiation. Still the shine of bright white on a roof is imposing and can take away from the overall aesthetic of the house. Other roofing materials capture and retain the sun s heat.

If the building is located in hammerfest norway the metal might get warm to the touch. A definitive answer is not possible. Here s the kind of temperatures you can expect your roof to reach this summer depending on its surface. 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. As a reasonable first approximation for a maximum design temperature for solar heating of steel used in typical construction. If it s out of reach don t worry about it.