Winter Roof Moss & Algae Treatment in Welland
Kill and prevent the black streaks (Gloeocapsa magma) and moss patches that shorten Toronto shingle life. What to book before the first hard freeze in Welland.
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Winter — Moss Treatment in Welland
Masonry, waterproofing, and roofing all have hard temperature cut-offs — once overnight lows hold below freezing, the work waits for spring.
Ontario freeze-thaw cycling is the single largest driver of masonry and water-entry failure in Welland.
Booking in late summer costs 10-15% less than the November crunch and leaves time to fix what the inspection finds.
What's included
- ✓ 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%
- 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
Winter FAQ — Welland
Do you carry insurance?+
$5M general liability plus WSIB coverage on every crew. Both certificates are emailed before we set foot on site.
Do you work weekends?+
Saturday slots book out weeks in advance. Sunday is emergency-only. Book early for weekends.
Can I finance the work?+
Yes. 0% promo financing is available on qualifying projects — approvals in minutes with no credit pull.
Do you offer a warranty?+
Every job carries a 5-year workmanship warranty. Parts carry the manufacturer's warranty on top.
Do you charge for the quote?+
No. Written quotes are free, no obligation, no hard sell — even for major masonry work.
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Book winter — Moss Treatment in Welland
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