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Toronto Chimney ProsWinter MMXXVI
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Markham · From $349

Dryer Vent Repair & Reroute in Markham.

Replace crushed, disconnected, or code-violating dryer ducts with smooth rigid metal on a code-compliant path. Because Markham 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.

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WETT certified · $5M insured · 5-year warranty

Why Markham chooses us

Vent Repair / Reroute you can actually trust

Older Toronto homes are notorious for foil-flex dryer ducts stuffed behind drywall, crushed in tight cabinets, or vented into attics — every one of those is a fire risk and a code violation. We rebuild the run in rigid smooth-wall metal, shortest legal path, sealed with foil tape, no screws inside the duct.

We carry $5M in liability insurance and WSIB coverage — verifiable before we set foot on your Markham property.

Scope

What's included

Benefits

  • Meets Ontario Building Code 6.3.4 for dryer exhaust
  • Rigid metal — no lint traps, no crush points
  • Under 7.5 m total equivalent length
  • Sealed exterior hood with backdraft damper

Our process

  1. 1. Diagnose current duct path and failure points
  2. 2. Design shortest code-compliant route
  3. 3. Install rigid smooth-wall galvanized duct
  4. 4. Seal joints with UL-181 foil tape, install exterior hood
Markham coverage

We serve every Markham neighbourhood

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The complete Markham guide

Dryer Vent Repair & Reroute in Markham: everything before you book

What makes dryer vent repair & reroute in Markham its own problem

The honest summary of dryer vent repair & reroute in Markham is that the work is simple and the diagnosis is not.

Infill and renovation work in Markham frequently reroutes venting without re-sizing it, and undersized or over-long runs are the single most common cause of poor draft we see.

Snow load and ice damming stress the roof-to-wall junction each winter; by spring the sealant that was doing the work has usually torn.

Across Rouge Fairways, Bayview Fairways, Cathedraltown, Devil's Elbow and Bullock, the housing stock changes street by street, and the correct method changes with it. A century home with a soft-brick stack does not get the same treatment as a 2010 build with a factory-built vent — using one method on both is how systems get damaged.

If you live anywhere near Main Street Unionville, the practical takeaway is that a dryer vent repair & reroute visit should start with an assessment, not a tool. Any crew that begins work before telling you what they found is guessing on your behalf.

Symptoms that should put dryer vent repair & reroute on your calendar

The list below is drawn from what Markham callers actually describe on the phone, in roughly the order we hear it.

Pay attention to when a symptom appears rather than how strong it is. Something that only shows up on wet days, windy nights or long burns is far more diagnostic than something constant.

  • Rooms that stay noticeably colder when the appliance runs
  • A carbon monoxide alarm that chirps only during long burns
  • Paint or wallpaper lifting on the wall that backs the chase
  • Cold downdraft even when the damper is closed
  • Standing water or rust flakes in the clean-out door
  • A smell that gets stronger on humid days
  • Mortar joints you can scratch out with a key
  • Lint accumulating around the exterior vent hood
  • Clothes taking two cycles to dry

Not sure which service you need? Compare Shingle Replacement in Markham, Chimney Cleaning in Markham, Roof Repair in Markham — or start with the full Markham service hub.

Our dryer vent repair & reroute process, step by step

There is no improvisation in a dryer vent repair & reroute visit. The order below is fixed, and it is the order that makes findings defensible rather than anecdotal.

Nothing in the list below is optional or upsold. If a step cannot be completed — access is unsafe, or a component is missing — that becomes a written finding rather than a silent omission.

  • Verification pass — draft test, airflow reading or water test as applicable
  • Photo hand-off: before and after images sent to you the same day
  • Full visual assessment and photo documentation of the starting condition
  • Exterior walk-around to check crown, cap, flashing and termination
  • Debris removal and a final clean-up pass through the work path
  • Baseline readings taken before work starts, so the improvement is measurable
  • Arrival window confirmed by text, with the technician's name and photo
  • The service itself, performed to CSIA / WETT method

The real cost drivers behind dryer vent repair & reroute in Markham

Dryer Vent Repair & Reroute in Markham starts at $349 for a standard, accessible system in serviceable condition. That figure is a starting point, not a quote: the honest answer is that several variables move the final price, and any company that quotes a firm number before seeing the system is either padding it or planning to revise it on site.

We give written quotes before work begins, and any repair discovered during the visit is presented as a separate priced option — never added to the invoice without your approval.

We would rather lose a job on price than win it by leaving the scope vague and revising it later.

FactorHow it affects your price
FindingsRepairs discovered during service are quoted separately and never auto-charged
AccessRoof pitch, storey count, and whether a ladder or scaffold is required
System typeWood, gas, oil and mechanical venting each carry different method and time
SeasonPeak October–December booking carries less schedule flexibility than spring
Run lengthLonger or multi-elbow runs add labour and specialty tooling
ConditionFirst service after several years takes longer than an annual maintenance visit

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Seasonal timing for Markham homeowners

If your dryer vent repair & reroute need is not urgent, aim for the shoulder months. Crews are unhurried, materials behave, and any follow-up work can still be completed before the heating season starts.

SeasonWhat to expect
Spring (Mar–May)Best availability and pricing. Ideal for repairs — mortar cures properly above 5°C.
Summer (Jun–Aug)Quietest window. Best time for rebuilds, liner work and any project needing multiple days.
Early fall (Sep–Oct)Peak demand begins. Book 2–3 weeks ahead to secure a date before first fire.
Winter (Nov–Feb)Emergency and diagnostic work only for most exterior repairs; interior service continues.

How Markham homeowners get this wrong

The complaints we hear about other contractors in Markham are remarkably consistent. Almost all of them trace back to one of the items below, and almost all of them are avoidable with two questions: "will I get photos?" and "is the finding written down?"

  • Accepting a verbal finding with no photo evidence
  • Ignoring a report's 'monitor' items until they graduate to 'safety-now'
  • Deferring a small repair through one more winter — freeze-thaw doubles the damage
  • Booking on price alone and getting a 20-minute visit with no documentation
  • Letting an unlicensed contractor touch a gas appliance connection
  • Painting or sealing masonry with a non-breathable coating that traps moisture inside
  • Approving a rebuild quote without seeing the interior scope footage that justifies it

What's included — and what isn't

Scope arguments happen when the boundary was never stated. So here is the boundary for dryer vent repair & reroute in Markham, in writing, before you book.

  • Exterior termination and cap check as part of the same visit
  • Written condition report with prioritised recommendations
  • Workmanship warranty in writing
  • Full method service performed to manufacturer and code standard
  • Verification test on completion
  • Photo documentation before and after
  • Not included: Permits, where the municipality requires one
  • Not included: Structural rebuild work discovered during inspection (quoted separately)
  • Not included: Appliance servicing that falls under a licensed gas fitter's scope
  • Not included: Third-party roof or scaffold access on unusually steep or unsafe roofs

What a real Markham visit looked like

We attended a Markham home where three previous contractors had sealed the same leak from the outside. The water path was entering above all three repairs. Correcting the actual entry point cost less than any of the failed attempts.

We include cases like this because the pattern repeats. The expensive outcomes in Markham are almost never caused by a difficult repair — they are caused by a correct repair applied to the wrong diagnosis.

Compliance, certification and documentation

Work in York is governed by provincial code and national standards, and insurers increasingly ask for proof that both were followed. Documentation is not paperwork for its own sake — it is what turns a denied claim into a paid one.

  • Insurer documentation requirements for post-incident and pre-renewal claims
  • CSA B365 for solid-fuel burning appliances
  • WETT certification standards for wood-burning system inspection
  • Local municipal permit thresholds, which differ across the region
  • NFPA 211 levels of inspection as the reference for scope and reporting
  • Manufacturer installation instructions, which the code treats as binding

What you can do yourself — and what you shouldn't

There is real DIY territory here: clearing an accessible exterior vent hood, keeping the roofline clear of debris, watching for staining after heavy rain, and photographing anything that changes. That work is genuinely useful and costs nothing.

The hazard is confidence without measurement. Airflow, draft and liner integrity are all numbers, and none of them can be estimated by eye — which is why a clean-looking system can still be unsafe.

Do the outside work you can reach safely, keep dated photos, and buy one certified inspection a year. That combination catches almost everything worth catching.

What happens after the visit

Everything from the visit is documented and sent to you: images, findings, and a plain-language ranking of what needs attention now versus what can wait a season. Quotes are fixed and time-limited, not open-ended.

Where the honest answer is "stop using the appliance until this is corrected," we say it — and we would rather say it than sell you something adjacent to the problem.

We run the same method in neighbouring markets — Dryer Vent Repair & Reroute in Whitby, Dryer Vent Repair & Reroute in Mississauga, Dryer Vent Repair & Reroute in Waterloo.

FAQ

Vent Repair / Reroute in Markham — common questions

Can I use flexible foil duct?+

No — Ontario code prohibits flexible foil or plastic duct for dryer exhaust inside walls. Only rigid or semi-rigid smooth-wall metal is compliant.

How long can a dryer vent be?+

Ontario limits total equivalent length to 7.5 m (25 ft), minus 1.2 m for every 90° elbow. Longer runs need a booster fan.

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