Chimney Cap Replacement in Markham.
Full chimney cap replacement — swap out rusted, missing, or poorly fitted caps with a custom stainless-steel or copper cap built for Ontario weather. We've serviced thousands of Markham 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.
Cap Replacement you can actually trust
A failed chimney cap is an open invitation for water, wildlife, and downdrafts. We remove your old or missing cap, inspect the flue and crown for hidden damage, and install a properly sized stainless-steel or copper replacement with a lifetime warranty.
Every Markham job is quoted in writing before any work begins, and backed by a 5-year workmanship warranty.
What's included
Benefits
- ✓ Lifetime-warranty stainless-steel or copper caps
- ✓ Stops water, animals, and debris from entering the flue
- ✓ Reduces wind-induced downdrafts and smoke-backup
- ✓ Custom sizing for single, multi-flue, and oversized chimneys
- ✓ Includes crown inspection and minor sealant touch-up
Our process
- 1. Inspect flue opening, crown condition, and existing cap fit
- 2. Recommend stainless-steel, copper, or damper-integrated cap
- 3. Remove old cap and clean the crown surface
- 4. Install new cap with stainless fasteners and high-temp sealant
- 5. Test draft and photo-document the finished install
We serve every Markham neighbourhood
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Cap Replacement in Markham — common questions
How much does chimney cap replacement cost in Toronto?+
A standard stainless-steel chimney cap replacement in the GTA starts at $450 in 2026. Copper caps and multi-flue or oversized custom caps range from $650–$1,200. We quote fixed-price after a free inspection.
Can I just install a cap myself?+
Big-box caps are often the wrong size and use galvanized steel that rusts within a few seasons. A custom-fitted cap with proper fasteners and sealant protects your flue for decades and is the safer choice.
How do I know if my chimney cap needs replacing?+
Rust stains on the chimney, visible holes, a missing cap, or water/debris inside the firebox are all signs. Our free inspection confirms whether replacement or just resealing is needed.
Will a new cap fix my smoky fireplace?+
If downdrafts or wind are pushing smoke back into your home, a properly designed cap with wind-resistant baffles often solves the problem. We test draft before and after installation.
What materials do you offer?+
We stock 304 and 316 stainless-steel caps with black powder-coat or natural finishes, plus solid copper caps for heritage and high-end homes. All carry a lifetime warranty.
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Book Cap Replacement in Markham
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Service · urgency · contact. A chimney expert replies in under 15 minutes.
- Fixed-price written quote
- No spam, no sales calls
- WETT & CSIA certified