Roof Flashing Repair in Newmarket.
Replace and reseal step, counter, chimney, and skylight flashing — the #1 source of roof leaks. Because Newmarket building stock spans everything from century brick to 2020s builds, we bring the tools and materials for every era of chimney construction — no return trips, no surprises.
Your quote — in 3 quick taps.
A certified expert calls or texts back in under 15 minutes. No spam. Fixed-price written quote.
Flashing Repair you can actually trust
80% of roof leaks aren't shingle problems, they're flashing problems. We replace step flashing at walls, counter flashing at chimneys, valley flashing, skylight flashing, and plumbing boots. New aluminum or lead, mechanically fastened, sealed with tri-polymer sealant.
We carry $5M in liability insurance and WSIB coverage — verifiable before we set foot on your Newmarket property.
What's included
Benefits
- ✓ Aluminum or lead — never galvanized-only
- ✓ Mechanical fastening, not caulk-and-pray
- ✓ Tri-polymer sealant, 20-year rated
- ✓ Covers 80% of common leak sources
Our process
- 1. Identify failed flashing type and location
- 2. Remove shingle courses to expose flashing
- 3. Install new step / counter / valley / boot flashing
- 4. Re-shingle over new flashing, seal edges
We serve every Newmarket neighbourhood
Flashing Repair pricing & options
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Winter 2026
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Certified
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Licensed
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Fully Insured
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WETT Certified
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CSIA Certified
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Professional
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Trusted
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Highly Recommended
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Reliable
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Expert
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Master
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Family Owned
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Residential
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Condo
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Century Home
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Detached Home
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Semi-Detached
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Townhouse
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Bungalow
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Two-Storey
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Three-Storey
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Cottage
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Wood-Burning
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Wood Stove
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Gas Fireplace
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Gas Insert
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Pellet Stove
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Oil Furnace
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Coal
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Masonry Fireplace
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Prefab Fireplace
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Leaking Chimney
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Cracked Chimney
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Smoking Fireplace
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Downdraft
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Blocked
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Old Chimney
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Damaged
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Storm Damage
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Wildlife Removal
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24/7
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Flashing Repair in Newmarket — common questions
What is step flashing?+
Small L-shaped metal pieces woven into each shingle course where the roof meets a wall. When they fail, water enters at every course — usually where the ceiling stain shows up years later.
Other services in Newmarket
Book Flashing Repair in Newmarket
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Quote in 3 quick taps.
Service · urgency · contact. A chimney expert replies in under 15 minutes.
- Fixed-price written quote
- No spam, no sales calls
- WETT & CSIA certified