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Wind, rain, snow, and ice aren’t the only weather elements that take a toll on roofing materials. Warm sunshine isn’t necessarily the friend you may think it is. Just like ultraviolet (UV) radiation from the sun can damage your skin, it can damage the roof of your house, particularly the south and west sides of the roof that get more sun exposure.

UV rays and hot temperatures degrade roofing shingles-sometimes more quickly than you expect. Unfortunately, if damaged shingles are not identified and repaired in time, they can lead to even bigger problems for both your home’s exterior and interior structures.

What to Look For

When conducting an inspection of your home’s roof from the ground, look for shingles that are blistered or curled at the edges. Summer heat can result in premature aging and rapid deterioration of asphalt roofing shingles.

Cracked shingles and lots of granules in the rain gutter are other signs that your roof may be in trouble. Shingles that heat up during the day and then cool down at night expand and contract with the change in temperature, which can cause the shingles to crack.

Shingles also become brittle and crack as the hot sun dries out the materials. As the asphalt dries, the shingles shrink, exposing the plywood roof deck underneath. Heat from the sun can then cause the underside of the roof deck to warp and soften, especially if the attic area isn’t properly ventilated.

This same thermal expansion can damage the granules that coat the surface of asphalt shingles to help protect them from the UV rays of the sun. Manufacturers add granules to shingles to weather proof them against the elements, including the sun. Once the granules are gone, your roof loses that layer of protection.

What You Can Do

Regular roof inspections and roofing maintenance help you get the most life out of your roofing shingles. Since heat and UV rays together can degrade roofing shingles, prompt roof repairs prevent more costly damage from occurring and allow your roof to do its job more efficiently for longer.

Roof Inspections

It’s important to visually inspect your roof at least twice each year to detect minor problems before they become major expenses. Whether you do it yourself or hire a professional, inspecting your roof in the spring clues you in to its condition before hot weather arrives.

If you want your roof to handle whatever the upcoming winter months have in store, inspect it again in the fall. That gives you an opportunity to repair any damage that intense heat from the summer sun causes.

Color of Roofing Shingles

When it comes time to replace your roof, the color of the shingles is a key factor to consider, especially if your rooftop gets a good deal of sunshine. If you live in a climate like that in the Ohio Valley region where average temperatures reach the mid- to upper-80s in the summertime, your rooftop gets really hot. Add humidity caused by moisture in the air from the Great Lakes to the heat and UV radiation, and the combination of these weather factors can wreak havoc on your roof.

Light-colored shingles reflect more of the sun’s energy than darker-colored shingles that absorb more of the heat beating down on your rooftop. As a result, a light-colored roof maintains a cooler temperature under the intense heat of the summer sun.

Keep in mind that the temperature of your roof can get a lot hotter than the ambient air temperature. Therefore, a color that is more reflective can lower the temperature of your roof surface, decreasing thermal stress-expansion and contraction due to temperature changes-on the roofing materials.

To prevent damage caused by weathering of your home’s roofing shingles, contact Mid-Miami Roofing, Inc.  The company will be happy to send out a roofing contractor to inspect the condition of your roof and offer expert advice on how to avoid potential problems.