How The Summer Heat Affects Your Roof

Detail of the roof line of a Northwest home. Good for real estate purposes.

The temperatures are really heating up now that summer has officially arrived, and your roof is starting to feel it. As a homeowner, you may be tempted to forget about your roof this season when it comes to home maintenance, but that’s a mistake. The summer heat and sun rays can be incredibly damaging to your home’s roofing system and cause serious problems. 

Here are the many ways the summer heat can affect your home’s roof: 

High temperatures

If your roof isn’t shaded, the dark colors in your roof will absorb the heat. These high temperatures being absorbed into your roofing system will accelerate the aging process and cause the materials to break down, meaning costly repairs in the future.  

UV Exposure

The UV rays from the sun hitting your roof day after day for hours cause the aging and wearing process to quicken. As well, these harmful rays cause wood to bleach and crack, asphalt shingles to buckle, and oils used during the construction process to dissipate. 

Thermal Shock

Your home’s roof will reach very high temperatures during the day while the sun is blaring and will then cool off quickly after the sun sets, causing what’s known as thermal shock. This thermal shock causes the materials in your roof to expand and contract as the temperatures change, leading to a weakened structural integrity as time passes.  

Summer Storms

As the temperatures increase, so does the frequency of storms. Summer storms include high winds, heavy rain, lightning, and possibly even hail that can seriously damage roofs. Be sure to check your attic for signs of leaks, look for signs of blockages in your gutters, and call a roofing professional to do a proper roof inspection after a severe storm.  


If you’re concerned about the safety of your home’s roofing system, it’s crucial to have it inspected and repaired by a team of professionals. The experts at Landmark Exteriors are here to help ensure your home’s roofing, and gutter systems both look great and are functioning properly for years to come! Give us a call at (203) 838-3838 to learn more.

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