Landlord Guide · Markham

Landlord Guide: Liner Install Duties in Markham

Real numbers, real timelines, and real trade-offs for liner install in Markham — no upsell pressure. Deeper freeze depths mean liner condensation and cap ice-loading. Below: what to expect, real numbers, and the questions worth asking before you book.

Quick answer

Liner Install in Markham falls under Ontario Building Code §9.22 and CSA B365. Cleaning is permit-exempt; structural or liner work is not.

Typical

$1,421–$2,274

Duration

1 day

Freeze-thaw

67/yr

Certifications that carry weight

WETT SITE-Comprehensive, CSIA CCP or CCS, and WSIB clearance are the three signals adjusters and buyers accept without pushback. HRAI membership adds credibility on venting work.

Which rules apply

Ontario Building Code §9.22 (masonry chimneys), CSA B365 (solid-fuel installations), and WETT SITE-Basic scope cover most liner install work. Insurers typically ask for the WETT report post-completion; municipalities ask for permit sign-off pre-cover.

Permit thresholds in Markham

Markham building services generally require a permit for any structural masonry, liner replacement, or new appliance install. Cleaning, cap replacement, and cosmetic work are permit-exempt. Turnaround for over-the-counter permits is usually 5–10 business days.

Common questions

Are you WETT and WSIB certified?

Yes — WETT SITE-Comprehensive #C-46082, CSIA #12408, and active WSIB #7248194. Certificates emailed on request before the job.

Do you need a permit for liner install in Markham?

Cleaning and inspection are permit-exempt in Markham. Structural masonry, liner replacement, or a new appliance install typically need one — we pull it as part of the job when required.

Is liner install covered by home insurance in Markham?

Sudden damage (storm, animal, appliance failure) is usually covered minus deductible. Gradual wear generally isn't. A written pro assessment before the claim call materially improves outcomes.

When's the best time of year for liner install in Markham?

Late September through mid-November with Markham averaging 148cm of snow starting December. Spring (April–May) is the second window and often 10–15% cheaper.

Do you service condos and heritage homes in Markham?

Yes. Condo boards in Markham typically want a scope letter and insurance certificate 48 hours out; heritage properties need product substitutions we pre-source.

How long does liner install take in Markham?

1 day is typical for a straightforward job. Bookings in dense downtown zones add 15–20 minutes for parking and staging.

What if it rains or snows on the booking day?

Roof-side work reschedules to the next dry window at no charge. Interior scopes (firebox, damper, appliance) proceed regardless.

What warranty do you offer on liner install in Markham?

Five-year written workmanship warranty on materials and labour, transferable to a new homeowner within that window. Manufacturer warranties on any installed products pass through separately.