
- Black streaks from Gloeocapsa magma algae that feed on limestone in shingles
- Green moss growth that retains moisture and damages roofing materials
- Lichen colonization that penetrates and deteriorates surface materials
- Mold and mildew growth that creates health hazards and odors
- Bacterial contamination that accelerates material breakdown
- Salt air deposits that accelerate corrosion and material breakdown
- Sand and salt particles embedded in textured surfaces
- Mineral deposits from ocean spray and atmospheric moisture
- Enhanced biological growth from marine-influenced humidity
- Debris accumulation from high winds and storms
- Standing water from clogged drainage systems
- Accelerated contamination cycles from frequent rain
- Damage to protective coatings and surface treatments
- Enhanced penetration of contaminants into roofing materials






