How Hot Does Metal Roof Get In The Sun

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

How hot does metal roof get in the sun.

The iron isn t going to melt. The commission advises parents to check for hot surfaces on metal playground equipment before. The surface temperature of an asphalt roof typically stays within five degrees of the surface temperature of a metal roof. Sixty celsius is about the maximum you can handle without burning your hands.

Degrees fahrenheit on a sunny 90 degree day. Here s the kind of temperatures you can expect your roof to reach this summer depending on its surface. 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. So we are getting more insulation added on venting and then a metal roof.

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. If the building is located in hammerfest norway the metal might get warm to the touch. A more obtainable maximum temperature for a properly designed solar collector is 150 degrees f. Better conductors of heat than others and melting points differ.

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. Posted september 22 2008. Imho i would still hedge my bets a little and suggest 180 degrees f. Summers here can be hot with temperatures mostly in the 80 s.

If it s out of reach don t worry about it. They don t collect and absorb radiant heat to a significant degree as do some forms of roofing material. 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. Metal roofs do not have substantial thermal mass.

A definitive answer is not possible. As a reasonable first approximation for a maximum design temperature for solar heating of steel used in typical construction. It gets so hot it can burn. 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.

If it s on the sun facing side in las vegas you may find it gets hot enough to cause burns. The benefit with metal those is that these things do not shorten the life of the roof. Metal gets hot in the sun. Lighter color roofs reflect sun s heat much better than darker colors.