Do You Need a Permit for Gas Line & B-Vent Conversion in Markham?
Wood-to-gas fireplace conversions — gas line run, appliance set, and B-vent or direct-vent termination. Ontario Building Code applied to your Markham address.
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Permits — Gas Conversion in Markham
Structural work, new solid-fuel appliances, and anything touching framing generally need a permit in Markham.
We prepare the clearance schedule and drawings municipalities ask for, and book the inspection on your behalf.
Ontario Building Code and CSA B365 set the baseline; your Markham municipality adds its own permit thresholds on top.
What's included
- ✓ TSSA-licensed gas fitting and pressure testing
- ✓ B-vent liner or direct-vent termination
- ✓ Existing masonry flue re-used where listed
- ✓ Full combustion and CO commissioning
- 1. Load calculation and gas line routing plan
- 2. Run and pressure-test the line to the hearth
- 3. Install appliance and listed vent or liner
- 4. Commission, CO test, and register the warranty
Permits FAQ — Markham
Do you handle insurance paperwork?+
Yes. We photograph, document, and email inspection reports in the format Ontario insurers accept.
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.
Is your team certified?+
Every technician is WETT SITE-Basic certified at minimum, with lead inspectors carrying SITE-Comprehensive credentials plus CSIA training.
Do you work weekends?+
Saturday slots book out weeks in advance. Sunday is emergency-only. Book early for weekends.
How fast can you book me in?+
Same-week is standard across the GTA. Same-day is available if you book before 11 AM most weekdays.
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Book permits — Gas Conversion in Markham
Free written quotes. Same-week booking across the GTA.
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- WETT & CSIA certified