Moss will form as a thin layer of greenish growth on roofing shingles or tiles, allowing moisture underneath, leading to rot, mildew, mold, and decay.
Best Methods for Moss Removal
- The best and safest method for moss removal is to soft-wash the roof and allow dead moss to fall.
- If mechanical removal is necessary, use a soft-bristle brush and leaf blower.
- Use bleach or sodium hypochlorite for effective moss removal based on the appropriate ratio with detergents and water.
Identifying and Addressing Moss Issues
- Identify problems in shingles such as missing or damaged shingles requiring prompt repairs.
- Clean off algae or moss growing on shingles to protect the home and prevent drainage issues.
- Address moisture issues indicated by green growth on asphalt shingles to prevent further damage.
Maintenance and Preventive Measures
- Routine maintenance prolongs roof life, prevents leaks, mold, and damage.
- Use algae-resistant shingles when re-roofing to prevent moss growth.
- Inspect roofs yearly to catch problems early and consider professional help for significant moss issues.
Moss Removal Products and Techniques
- Best product for removing moss: Bleach or sodium hypochlorite kills moss effectively.
- Consider using alternatives such as vinegar, hydrogen peroxide, or commercial products like Wet & Forget for moss removal.
- Avoid scrubbing moss to prevent damage to shingles and consider professional help for extensive moss growth on roofs.
When moss grows on metal roofs, consider repainting to prevent rust and corrosion resulting from retained dampness.