Cost to Replace Roof Moss & Algae Treatment in Ajax
Kill and prevent the black streaks (Gloeocapsa magma) and moss patches that shorten Toronto shingle life. What full replacement actually runs in Ajax this year.
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Replacement Cost — Moss Treatment in Ajax
Repairing usually wins under a third of replacement cost; past that, replacement is the cheaper decade.
Replacement pricing in Ajax is driven by material grade, access, and how much of the surrounding assembly has to come apart.
Every replacement quote itemises parts, labour, disposal, and taxes before you commit to anything.
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
Replacement Cost FAQ — Ajax
Are your quotes really fixed?+
Yes. Every written quote is fixed — we absorb the risk if the job runs long. That's the whole point of certified pricing.
Do you work weekends?+
Saturday slots book out weeks in advance. Sunday is emergency-only. Book early for weekends.
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.
Replacement Cost in nearby cities
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Book replacement cost — Moss Treatment in Ajax
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