As harmless as it looks, moss can be very damaging not only to your roof, but also to the rest of your home. There is no doubt that extensive moss on a roof can damage the roof by growing under and loosening the shingles, trapping moisture against roofing materials and causing leaks. Moss doesn’t need much to grow; shade, moisture and a temperature between 32 and 70 degrees. By not having a root system, moss doesn’t need soil to grow—making your roof an ideal location.
Spray and Walk Away
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