Who Does Roof Moss & Algae Treatment in Caledon?
Kill and prevent the black streaks (Gloeocapsa magma) and moss patches that shorten Toronto shingle life. Who actually does this work in Caledon — and how to vet them.
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Who Does It — Moss Treatment in Caledon
In Ontario this work belongs to a WETT-certified contractor carrying at least $2M liability — $5M is the standard serious firms hold.
Ask for the certificate numbers, the WSIB clearance, and two Caledon references from the last 90 days. Anyone hesitating is telling you something.
General handymen quote this work constantly. The problem shows up when your insurer asks for documentation nobody can produce.
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
Who Does It FAQ — Caledon
Can I finance the work?+
Yes. 0% promo financing is available on qualifying projects — approvals in minutes with no credit pull.
Do you handle insurance paperwork?+
Yes. We photograph, document, and email inspection reports in the format Ontario insurers accept.
Do you work weekends?+
Saturday slots book out weeks in advance. Sunday is emergency-only. Book early for weekends.
Do you offer a warranty?+
Every job carries a 5-year workmanship warranty. Parts carry the manufacturer's warranty on top.
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.
Who Does It in nearby cities
Also serving Caledon
Book who does it — Moss Treatment in Caledon
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Service · urgency · contact. A chimney expert replies in under 15 minutes.
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- WETT & CSIA certified