Put on non-slip shoes, gloves, and eye protection
Choose a cool, dry day
Cover nearby plants and landscaping with tarps
Gently brush off loose moss with a soft-bristle brush
Mix a roof-safe moss remover according to the label
Apply the solution with a pump sprayer
Let the treatment sit for the recommended time
Rinse lightly with low-pressure water if the product requires it
Repeat treatment on stubborn moss if needed
Remove moss from gutters and downspouts
Avoid pressure washing shingles
Trim overhanging branches to reduce shade and moisture
Install zinc or copper strips near the roof ridge
Keep the roof clear of leaves and debris
Inspect the roof regularly for new moss growth