Wear non-slip shoes, gloves, eye protection, and use a harness if needed
Use a sturdy ladder and follow ladder safety practices
Remove loose debris from the roof with a soft broom or leaf blower
Gently brush off moss with a soft-bristle brush
Apply a roof-safe moss remover according to the product instructions
Let the treatment sit for the recommended time
Rinse lightly with low-pressure water if the product requires it
Avoid pressure washing, which can damage shingles
Clean gutters and downspouts after removing moss
Trim overhanging branches to reduce shade and moisture
Improve roof ventilation to help prevent regrowth
Install zinc or copper strips near the roof ridge to discourage moss
Inspect the roof regularly and remove new growth early