Lichen vs Moss on Roof Shingles: Which Causes More Damage?
Moss and lichen are different organisms that damage roof shingles in different ways. Moss mainly retains moisture and can lift shingle edges, while lichen attaches tightly to granules and is usually harder to remove without worsening surface loss. Moss is generally easier to treat, but neither growth should be scraped aggressively or pressure-washed. Key Facts […]