Home › Learn From The Pros › High Humidity and Your Roof: What You Need to Know High Humidity and Your Roof: What You Need to Know May 24, 2023 Have you ever wondered how humidity can affect your roof? As a homeowner, it’s important to understand the effects of heavy moisture in the iar to the health and longevity of your roofing system. In this post, top storm damage repair contractor Neumann Construction takes a closer look at what humidity is and how it can impact various roofing materials. How Humidity Affects Roof Materials Humidity can have a significant impact on various roofing materials. Let’s examine how different materials react to humidity: Wood Shingles and Shakes Excessive moisture can cause wood to expand and contract, leading to warping or cracking. Additionally, high humidity can promote the growth of mold and mildew, which can rot the wood and compromise its structural integrity. Asphalt Shingles High humidity can cause asphalt shingles to curl or buckle, which may allow water to seep beneath the shingles and cause leaks. Furthermore, increased moisture can lead to the growth of algae, causing ugly stains on your roof. Metal Roofs While metal roofs are generally resistant to humidity, moisture can still accumulate beneath the panels and lead to corrosion or rust. Proper ventilation and insulation are crucial to prevent this from happening. Even seamless gutters can corrode at the mercy of high humidity. Signs of Humidity Damage You’ll need to be aware of the signs that humidity is affecting your roof so you can take action quickly. Keep an eye out for the following indicators: Curling or buckling shingles: This can be a sign that humidity is damaging your asphalt shingles and potentially causing underlying leaks. Mold and mildew growth: If you notice mold or mildew on your roof, it’s a clear indication that humidity levels are too high. Staining on ceilings or walls: This can be a sign of water damage caused by humidity-related roof issues. Preventing Humidity Damage Taking the appropriate steps to prevent humidity damage can save you from costly repairs, including roof replacement and gutter repair, later on. To reduce humidity on your roof, make sure your attic is well-ventilated to allow excess moisture to escape and promote good air circulation. Installing proper insulation and vapor barriers can help regulate humidity levels in your home and prevent moisture-related damage. Also, schedule routine inspections to identify and address humidity issues before they become significant problems. Get Expert Roof Help Today Understanding the effects of humidity on your roof is crucial for maintaining its health and longevity. With the proper care and attention, you can prevent damage and ensure your roof remains in tip-top condition. Neumann Construction can help you get your roof’s ventilation and condition in top shape. Call us at (218) 270-0009 or fill out this contact form to get an estimate.