How Hot Does Metal Roof Get In The Sun

If the building is located in hammerfest norway the metal might get warm to the touch.

How hot does metal roof get in the sun. To get a better idea of how metal roofing works to keep you cool in summer and warm in winter it s important to look at how metal roofing compares to other available types. Imho i would still hedge my bets a little and suggest 180 degrees f. So we are getting more insulation added on venting and then a metal roof. Lighter color roofs reflect sun s heat much better than darker colors.

Degrees fahrenheit on a sunny 90 degree day. Different sources report different temperatures. At the end of the day when you look at the durability energy efficiency fire safety and other benefits of metal roofing metal is a great choice for any climate and especially for hot climates where other roofing materials fail quickly. A more obtainable maximum temperature for a properly designed solar collector is 150 degrees f.

The surface temperature of an asphalt roof typically stays within five degrees of the surface temperature of a metal roof. Metal roofs do not have substantial thermal mass. Most commonly used metals such as brass stainless steel aluminum copper become hot enough to burn when exposed to direct sunlight. Summers here can be hot with temperatures mostly in the 80 s.

Consumer product safety commission cpsc published a fact sheet to warn parents and those in charge of youth about thermal burns that can be received from playground equipment. That piece of metal left under the sun or a car bumper or the beach sand can burn your skin but the ambient temperature is only 30 celsius. Posted september 22 2008. As a reasonable first approximation for a maximum design temperature for solar heating of steel used in typical construction.

Here s the kind of temperatures you can expect your roof to reach this summer depending on its surface. A definitive answer is not possible. In fact a high end kynar 500 white metal roof is energy star rated and classified as a cool roof by the cool roof rating council. Metal roofing dissipates heat and swiftly cools down as soon as the sun is hidden by clouds or a cool wind passes over its surface.

It gets so hot it can burn. Better conductors of heat than others and melting points differ. Metal gets hot in the sun. The benefit with metal those is that these things do not shorten the life of the roof.

Sixty celsius is about the maximum you can handle without burning your hands. The commission advises parents to check for hot surfaces on metal playground equipment before. They don t collect and absorb radiant heat to a significant degree as do some forms of roofing material. If it s out of reach don t worry about it.