Moss, Algae, and the Damage You Cannot See From the Driveway
Moss is not cosmetic on a La Center roof moss thrives in La Center's damp climate. It sponges moisture against the shingle mat, lifts edges during freeze-thaw, and shortens roof service life by 3-5 years. Moss can also lift shingle edges and trap moisture, making moss removal especially important in damp climates. Algae streaks strip granules and accelerate UV damage. Pressure washing voids most manufacturer warranties. Valiant brush-cleans, treats with non-corrosive soap, and installs zinc strips at the ridge so the roof self-treats for years. Installing zinc or copper strips is a common method to prevent moss regrowth.














