Roof Moss & Algae Treatment in New Tecumseth.
Kill and prevent the black streaks (Gloeocapsa magma) and moss patches that shorten Toronto shingle life. We've serviced thousands of New Tecumseth chimneys since 2003. Our routing means the closest crew to your door is usually less than 20 minutes away.
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.
Every New Tecumseth job is quoted in writing before any work begins, and backed by a 5-year workmanship warranty.
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 New Tecumseth neighbourhood
Moss Treatment pricing & options
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Leaking Chimney
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Moss Treatment in New Tecumseth — 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.
Other services in New Tecumseth
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- WETT & CSIA certified