Chimney Flashing Repair in Newmarket.
Rebuild the step-and-counter flashing where the chimney meets the roof — the #1 source of chimney-related ceiling leaks. We've serviced thousands of Newmarket chimneys since 2003. Our routing means the closest crew to your door is usually less than 20 minutes away.
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
Failed flashing is the number-one source of chimney leaks in the GTA. We remove old flashing, cut a fresh counter-flashing reglet into the mortar, install new lead or aluminum step flashing woven into the shingles, and seal with UV-stable polyurethane. Full workmanship warranty.
Every Newmarket job is quoted in writing before any work begins, and backed by a 5-year workmanship warranty.
What's included
Benefits
- ✓ Stops leaks at the roof-to-chimney intersection
- ✓ Reglet-cut counter flashing (not just caulked over)
- ✓ Compatible with asphalt, cedar, metal, and slate roofs
- ✓ 10-year warranty against leaks
Our process
- 1. Water test and thermal imaging to locate entry
- 2. Old flashing and failed caulking removed
- 3. Reglet cut, step flashing woven with shingles
- 4. Sealed and photo-documented from the roof
We serve every Newmarket neighbourhood
Flashing Repair pricing & options
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Wood Stove
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Gas Fireplace
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Gas Insert
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Oil Furnace
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Coal
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Prefab Fireplace
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Leaking Chimney
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Smoking Fireplace
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Blocked
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Old Chimney
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WSIB Insured
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10-Year Warranty
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Same-Week
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Spalling Brick
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Rusted Cap
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Cracked Crown
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Flue Blockage
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Carbon Monoxide Concern
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Fireplace Odor
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Moisture
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Side-Split
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Estate Home
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Zero-Clearance
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Flashing Repair in Newmarket — common questions
How do I know if my flashing is the source of my leak?+
Stains directly beneath the chimney chase — especially on the upper-storey ceiling — almost always point to flashing failure. We confirm with a water test.
Do you warranty flashing repairs?+
Yes. Every flashing rebuild carries a 10-year written leak warranty.
Other services in Newmarket
Book Flashing Repair in Newmarket
Free written quotes. Same-week booking across the GTA.
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