Roof Moss & Algae Treatment — DIY vs Pro in Guelph
Kill and prevent the black streaks (Gloeocapsa magma) and moss patches that shorten Toronto shingle life. What each option really costs, saves, and risks.
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DIY vs Pro — Moss Treatment in Guelph
The pro premium is 90% documentation, 10% specialty tooling. Both have real value insurers rely on.
DIY works for surface-level maintenance. Anything involving flues, roofs, or insurance needs certified paperwork.
Cheapest and safest are rarely the same choice — this page shows where they overlap in Guelph.
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
DIY vs Pro FAQ — Guelph
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.
Do you charge for the quote?+
No. Written quotes are free, no obligation, no hard sell — even for major masonry work.
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.
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Book diy vs pro — Moss Treatment in Guelph
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