Roof Moss & Algae Treatment in Georgina.
Kill and prevent the black streaks (Gloeocapsa magma) and moss patches that shorten Toronto shingle life. Because Georgina building stock spans everything from century brick to 2020s builds, we bring the tools and materials for every era of chimney construction — no return trips, no surprises.
Your quote — in 3 quick taps.
A certified expert calls or texts back in under 15 minutes. No spam. Fixed-price written quote.
Moss Treatment you can actually trust
Those black streaks on north-facing Toronto roofs are algae eating limestone filler in the shingle. Left alone they cut shingle life 30%. We apply a shingle-safe treatment that kills the colony, brush off moss patches, then install a zinc strip so rainwater does the maintenance for the next decade.
We carry $5M in liability insurance and WSIB coverage — verifiable before we set foot on your Georgina property.
What's included
Benefits
- ✓ Kills the algae at the root
- ✓ Removes moss patches by hand — no scraping
- ✓ Zinc strip prevents 8–10 years of regrowth
- ✓ Extends shingle life by ~30%
Our process
- 1. Apply shingle-safe algaecide, dwell 20 min
- 2. Hand-brush any moss patches
- 3. Rinse with low-pressure fan spray
- 4. Install continuous zinc strip at ridge
We serve every Georgina neighbourhood
Moss Treatment pricing & options
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Gas Fireplace
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Coal
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Moss Treatment in Georgina — common questions
What causes black streaks on my roof?+
Gloeocapsa magma — a blue-green algae that feeds on limestone in asphalt shingles. Common on north-facing slopes in humid Toronto neighbourhoods.
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Book Moss Treatment in Georgina
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Service · urgency · contact. A chimney expert replies in under 15 minutes.
- Fixed-price written quote
- No spam, no sales calls
- WETT & CSIA certified