Asphalt shingles in Saint-Sulpice are particularly vulnerable to algae due to their composition. Our SH + surfactant treatment destroys them chemically.
🔬 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 Algae on Shingles in Saint-Sulpice
Green shingles in Saint-Sulpice indicate colonization by algae feeding on calcium carbonate granules. It's very common in shaded and humid areas.
Soft Wash with sodium hypochlorite (SH) is the recommended method in Saint-Sulpice. It destroys algae at the root unlike high pressure which displaces them.
Ready to solve the problem in Saint-Sulpice?
Free estimate in 60 seconds. No obligation.