Chimney Flashing Repair in Innisfil.
Step and counter-flashing replacement — the fix for the most common chimney leak in the GTA. Because Innisfil 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
Roofers caulk flashing; masons cut it in. We replace step flashing shingle by shingle and set new counter-flashing into a saw-cut reglet in the mortar joint, wedged and sealed with polyurethane — a detail that outlives the shingles above it.
We carry $5M in liability insurance and WSIB coverage — verifiable before we set foot on your Innisfil property.
What's included
Benefits
- ✓ Saw-cut reglet counter-flashing, not surface caulk
- ✓ New step flashing woven into each shingle course
- ✓ Aluminum, copper, or lead-coated options
- ✓ Warrantied against water entry for 5 years
Our process
- 1. Strip failed flashing and clean the masonry joint
- 2. Cut a reglet into the mortar joint at the correct height
- 3. Install step flashing and set counter-flashing into the cut
- 4. Wedge, seal, and hose-test the assembly
We serve every Innisfil neighbourhood
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Flashing Repair in Innisfil — common questions
How long does chimney flashing last?+
Properly cut-in aluminum flashing lasts 25–30 years; copper lasts 50+. Caulk-only 'repairs' fail in 2–4 Ontario winters.
Should the roofer or the chimney company do the flashing?+
Whoever cuts the reglet. If the counter-flashing is only surface-sealed to the brick, it will leak regardless of who installed it.
How much does flashing repair cost in Toronto?+
Full step and counter-flashing replacement on a standard chimney runs $395–$1,200 depending on chimney size, roof pitch, and access.
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- WETT & CSIA certified
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