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It’s possible that installing solar panels can lead to mold on the roof. The panels themselves are not the issue. Problems caused by improper installation—such as roof leaks and mounts that aren’t sealed properly—can cause mold. Another potential cause of mold is debris accumulation under panels, which can trap moisture. If you live somewhere with extreme snow, rain, or hail, your home could be more prone to mold.

Inspections should be conducted annually, and minor repairs should be made as needed.

You may be wondering if you really need the snow removed from your roof. Since most roofs can only handle 20 pounds per square foot of snow accumulation, there is a tipping point when you are suddenly at risk of roof collapse. This can cause a lot of damage, not just to your home, but to your belongings, too. It also poses a physical danger to your family. Also, a lot of snow on a roof makes it more susceptible to ice dams, leaks, and water damage.

You may become so frustrated with the look of moss on your roof that you contemplate whether to clean or replace your roof. Fortunately, you don’t have to go as far as replacing it. After cleaning the moss, you can use a chemical solution to keep it away. For further protection, trim branches that overhang the roof, as fallen seed pods and leaves on the roof allow moisture to collect, encouraging moss growth. Consider adding zinc-coated flashing to the roof, too. As rain washes across the zinc, it leaves zinc particles behind that inhibit moss growth.