If you see dark streaks on your roof in Lachenaie, 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 Lachenaie — Causes and Solutions
Black streaks in Lachenaie 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 Lachenaie is Soft Wash with sodium hypochlorite (SH) + surfactant. High pressure and water washing only temporarily displace the colonies.
Black streak removal in Lachenaie is included in our standard cleaning from $399. Free estimate in 60 seconds on our calculator.
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