How to Clean a Metal Roof: Remove Moss, Algae, and Stains Without Damage
Metal roofs last 40–70 years, but only with proper maintenance — and cleaning is the most important part. Moss, algae, lichen, and rust stains don’t just look bad; they trap moisture against the metal and accelerate corrosion. The right cleaning method depends on your roof type: standing seam, exposed fastener, corrugated steel, or metal shingles. … Read more