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How Does Humidity Affect My Roof?

Your roof is your home’s first line of defense against the elements of the outdoors. While you may know about water, wind, and hail damage, you may not know about damage caused by humidity. Humidity can severely damage your roof if it is not addressed properly. Below we discuss how humidity affects your roof.

Mold & Mildew

A combination of humid air and poor ventilation in your attic is a recipe for disaster. As the humid air builds up in your attic, condensation is created in the form of droplets that lands on your rafters, beams, joists, and roof decking. This condensation creates the perfect environment for mold and mildew to grow. As spores grow, the wood components of your attic and roof will rot and cause allergy issues for yourself & your family.

To prevent mold and mildew growth, have a roofing contractor inspect your roof and attic to make sure your roof is getting proper ventilation. Adequate ventilation is the best way to prevent spore growth.

Curling & Buckling Shingles

Humid summers and dense attics can cause your shingles to curl from exposure to the elements. If you spot any curled or buckled shingles, it’s time to get those replaced. The longer those shingles are left in poor condition, the more likely you’ll experience leaks in your roof caused by the weak spots. However, if the curling and buckling is caused by a lack of attic ventilation, you have a larger repair on your hands.

Water Damage

Humidity issues don’t only happen during the summer. If the humidity inside your home is too high during wintertime, condensation can build up in your attic. As the condensation builds, your attic is at risk of water damage, mold & mildew, or rot.

Protecting Your Home Roof Humidity

The best way to protect your home from humidity issues is to have proper ventilation in your attic. By having the correct number of supply and return vents in your attic based on the square footage of your home to bring fresh air in and allow stale air to escape.

To help curb the humidity inside of your home, you can run your air conditioning units to move the stale air, use exhaust fans when cooking & showering, and clean your gutters regularly to prevent clogs and leaks.

Scheduling yearly maintenance will also help improve the lifespan of your roof. One of the most common ways you can end up with massive roof repairs or a roof replacement is by allowing inspections to be delayed and ignored.

Premiere Roofing is your Metro Atlanta roofing contractor. We offer a free inspection to take a look at your attic and roof safely so you don’t have to. After the inspection, we provide you with a repair estimate and walk you through the repair process. Premiere Roofing values providing education, quality communication, and care to our customers. Schedule your free inspection today.


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