Roof Cleaning Myth: Remove Roof Moss With Laundry Detergent
How Laundry Detergent Destroys Your Roof. The shingles on your roof are made of a fiberglass mat. On both sides are asphalt, tar, and oil that protect the fiberglass from the outside elements: wind, sun, water, etc. The life of your roof depends upon maintaining that asphalt, tar and oil.