Moss might seem harmless or even beautiful with its velvety, green covering, but beneath its rustic charm lies a potential menace to your roof’s lifespan. It behaves as a living organism that breathes and eats away at your roof. When moss growth is left unchecked, it leads to a series of problems:

1. Moss triggers shingle lifting and curling, increasing the risk of shingle blow-off during wind events. It can cause lateral water movement leading to moisture damage to the roof deck or even cause leaks. 
2. An abundant moss growth forms a weighty blanket on your roof, holding excess water and moisture. This leads to a conducive environment for rot, bacteria, and mold growth, shortening your roof’s lifespan. Moreover, this creates an appealing habitat for rodents and critters, further jeopardizing your roof’s structural integrity.
3. Moss can also infiltrate underneath your shingles, tiles, and slates, uprooting them and causing significant damage. This may result in leakage and compromise your roof’s overall structure.