Temperature Under Metal Roof

The temperatures histories discussed hereafter pertain to wood.

Temperature under metal roof.

In addition it is susceptible to failure because uv radiation deteriorates the asphalt felt. Because a metal roof can get hotter than a black asphalt shingle roof underlayments for metal roofing must resist flow at even higher temperatures. Also the sbs asphalt blend must remain stable at these temperatures. 1989 metal roof temperatures reached as high as 163 f 73 c during january and may in eastern tennessee.

Though these are the top two most common types of roofing material every option from tile roofs to concrete flat roofs offer a different rate of light and. Conversely a metal roof is very reflective which means that a majority of light rays are reflected away from your home keeping your home and attic at an even temperature year round. While most are designed to last 20 years or longer black roofs can suffer because heat speeds up the breakdown of materials in fact heat wear and tear is the main issue from a longevity standpoint. Clearly black roofs get the hottest.

When 30 pound asphalt felt is exposed to excessive heat it will dry out quickly. The tough slip resistant poly fabric surface provides a rugged barrier to physical damage uv degradation weather and moisture. The temperature under a metal roof can get very high. In metal roofing applications it is critical that the underlayment used must have the ability to withstand high temperatures.

Metal roofs also get hot. It is available to use as flashing tape to provide a secondary water barrier.