If you see dark streaks on your roof in Sainte-Scholastique, don't ignore them. Gloeocapsa magma is not ordinary dirt that can simply be washed — it's a living organism that feeds on your roofing. Sodium hypochlorite (SH) is the only recognized solution.
🔬 Why sodium hypochlorite (SH)?
SH is the only product recognized by shingle manufacturers (IKO, BP, CertainTeed) to safely and permanently eliminate organic stains on roofs. Combined with a professional surfactant, it penetrates protective sheaths and destroys organisms at the root. Results last 3 to 5 years.
Questions about Black Streaks on Roof in Sainte-Scholastique — Causes and Solutions
Black streaks in Sainte-Scholastique are caused by Gloeocapsa magma, a bacteria that eats your shingle granules. It spreads by wind and is very common throughout the North Shore.
The only effective method in Sainte-Scholastique is Soft Wash with sodium hypochlorite (SH) + surfactant. High pressure and water washing only temporarily displace the colonies.
Black streak removal in Sainte-Scholastique is included in our standard cleaning from $399. Free estimate in 60 seconds on our calculator.
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