Roof cleaning on Salt Spring Island means treating moss, algae, and lichen — not blasting them off. The island's coastal climate creates ideal conditions for biological growth on roofs. The right cleaning method respects the surface while treating the problem.
Traditional roof cleaning often means pressure washing or mechanical scrubbing. Both remove visible growth but risk damaging the shingles, leaving root structures behind, and shortening roof life.
Roof treatment means applying the correct solution at low pressure to kill the organism at its source. The growth dies and releases naturally through weather exposure — no scraping, no wire brushes, no high pressure.
THE SURFACE DECIDES.
Asphalt shingles, cedar shake, tile, slate, and metal all respond differently. A method that works on concrete will damage a shingle. The surface determines the treatment concentration, the application method, and the expected release timeline.
Every roof cleaning starts with identifying what is growing and on what surface. Properties on Salt Spring may have cedar shake, asphalt, metal, or tile — each requires a different approach.
TELL US BEFORE TREATMENT.
Properties on Salt Spring Island that use roof runoff for rainwater collection require that information to be identified during assessment so the treatment plan can account for the collection system and applicable product or manufacturer requirements.
Do not assume treatment chemistry is safe for potable-water systems without specific verification. Do not follow universal tank-disconnection or reconnection timing unless supported by the specific product instructions and treatment protocol.
Call or text: 250-889-8490
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