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How Heat Affects Your Roof

by Apr 16, 2021

The summer is a time of year that almost everyone looks forward to. People go on vacation, soak up the summer sun and just enjoy the happy vibes that the warm weather brings.

As fun as the summer is, the sun can take quite a toll on houses and roofing systems. Overexposure to extreme temperatures and UV rays can be detrimental to your home’s roof; it can deteriorate your roofing materials and drastically reduce the lifespan of your roofing system.


If you think that your roof may be suffering due to the extreme heat, carry on reading as we detail the way heat impacts your roofing system.


Thermal Shock

During the day, your home is exposed to really high temperatures. This heat causes your roofing materials to expand quite a bit. As the nighttime comes around, your roofing materials cool rapidly. This extreme expansion and contraction weaken the structural integrity of your roofing materials, causing them to break down much faster.



Dark roofing materials are known to absorb quite a bit of heat. Being exposed to high temperatures over a long period speeds up the chemical processes occurring within the materials. This acceleration leads to the breakdown of your house’s roofing materials. Overexposure to heat will cause asphalt shingles to crumble and curl, metal sheets to warp, and clay tiles to crack.



The constant presence of hot, humid air combines both the destructive features of heat and moisture, thus rapidly deteriorating your roofing system. Humidity leads to condensation settling on your roof, which can cause mold and mildew growth as well as the weakening of your roofing materials and structures.


Fire Hazard

It’s important to always clear your roofing system of any dirt and debris. Things like dried leaves, twigs and pine needles can become a fire hazard on your roof. If a fire breaks out on your roofing system, you risk destroying your roof and home in the process.

For more information on how heat impacts your roof and how you can protect it from heat damage, give 1st Priority Roofing a call today!

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