Do You Need a Permit for Roof Moss & Algae Treatment in St. Catharines?
Kill and prevent the black streaks (Gloeocapsa magma) and moss patches that shorten Toronto shingle life. Permit rules for St. Catharines — what needs one and what doesn't.
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Permits — Moss Treatment in St. Catharines
Ontario Building Code and CSA B365 set the baseline; your St. Catharines municipality adds its own permit thresholds on top.
We prepare the clearance schedule and drawings municipalities ask for, and book the inspection on your behalf.
Structural work, new solid-fuel appliances, and anything touching framing generally need a permit in St. Catharines.
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
Permits FAQ — St. Catharines
Is your team certified?+
Every technician is WETT SITE-Basic certified at minimum, with lead inspectors carrying SITE-Comprehensive credentials plus CSIA training.
Can I get a quote without a site visit?+
For most standard services, yes — three photos and your postal code is enough for a firm written number.
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.
Do you carry insurance?+
$5M general liability plus WSIB coverage on every crew. Both certificates are emailed before we set foot on site.
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Book permits — Moss Treatment in St. Catharines
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