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Burlington · From $299

Roof Flashing Repair in Burlington.

Replace and reseal step, counter, chimney, and skylight flashing — the #1 source of roof leaks. Because Burlington 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 Burlington chooses us

Flashing Repair you can actually trust

80% of roof leaks aren't shingle problems, they're flashing problems. We replace step flashing at walls, counter flashing at chimneys, valley flashing, skylight flashing, and plumbing boots. New aluminum or lead, mechanically fastened, sealed with tri-polymer sealant.

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

Scope

What's included

Benefits

  • Aluminum or lead — never galvanized-only
  • Mechanical fastening, not caulk-and-pray
  • Tri-polymer sealant, 20-year rated
  • Covers 80% of common leak sources

Our process

  1. 1. Identify failed flashing type and location
  2. 2. Remove shingle courses to expose flashing
  3. 3. Install new step / counter / valley / boot flashing
  4. 4. Re-shingle over new flashing, seal edges
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We serve every Burlington neighbourhood

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The complete Burlington guide

Roof Flashing Repair in Burlington: everything before you book

What makes roof flashing repair in Burlington its own problem

There is a rhythm to roof flashing repair work in Burlington: a quiet summer, a frantic October, and a winter of emergencies that were visible in September.

Older Burlington stock was built when soft lime mortar and clay liners were the standard; modern high-efficiency appliances vent very differently, and the mismatch causes condensation the original builder never planned for.

The swing between a January cold snap and a February thaw can move a masonry assembly enough to open joints that looked sound in the fall.

Across Roseland, Downtown Burlington, LaSalle, Tansley and Mountainside, 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.

the practical takeaway is that a roof flashing repair 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 roof flashing repair on your calendar

The list below is drawn from what Burlington 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.

  • A whistling or humming noise on windy nights
  • Water stains on the ceiling near the chase
  • Smoke rolling back into the room when you first light a fire
  • Rooms that stay noticeably colder when the appliance runs
  • Lint accumulating around the exterior vent hood
  • Rust on the damper, firebox or vent hood
  • A damper that no longer seats or no longer moves
  • White chalky staining (efflorescence) on exterior brick
  • Paint or wallpaper lifting on the wall that backs the chase

Not sure which service you need? Compare Chimney Rebuild in Burlington, Chimney Cleaning in Burlington, Damper Repair in Burlington — or start with the full Burlington service hub.

Our roof flashing repair process, step by step

Every Burlington job follows the same documented sequence. The sequence exists so that two different technicians produce the same result, and so you receive the same evidence either way.

Timing varies with condition, but the sequence does not shorten because the schedule is tight.

  • Full visual assessment and photo documentation of the starting condition
  • Verbal walkthrough with you before the technician leaves the property
  • Arrival window confirmed by text, with the technician's name and photo
  • Debris removal and a final clean-up pass through the work path
  • Baseline readings taken before work starts, so the improvement is measurable
  • The service itself, performed to CSIA / WETT method
  • Verification pass — draft test, airflow reading or water test as applicable
  • Interior protection — drop sheets, HEPA vacuum staged before any tool is opened

The real cost drivers behind roof flashing repair in Burlington

Roof Flashing Repair in Burlington starts at $299 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.

Price differences between Burlington companies are usually differences in time on site. A 20-minute visit and a 90-minute visit can carry the same line item and produce very different information.

FactorHow it affects your price
ConditionFirst service after several years takes longer than an annual maintenance visit
FindingsRepairs discovered during service are quoted separately and never auto-charged
Weather windowExterior work that must cure above 5°C is scheduled, not squeezed in
HeightTall or offset stacks need longer rods, extra rigging and a second technician
DocumentationInsurance or real-estate reports require a deeper written scope than routine service
UnitsMultiple flues or appliances on one visit share travel but not labour

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Seasonal timing for Burlington homeowners

If your roof flashing repair 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 Burlington homeowners get this wrong

The complaints we hear about other contractors in Burlington 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
  • Assuming a home inspection at purchase covered the flue; almost none do
  • Sealing the symptom (caulk over a crack) instead of correcting the water path
  • Skipping the inspection because the appliance 'seems fine'
  • Using a hardware-store brush kit on a system that has never been scoped
  • Letting an unlicensed contractor touch a gas appliance connection
  • Deferring a small repair through one more winter — freeze-thaw doubles the damage

What's included — and what isn't

Transparency about scope prevents the single most common dispute in this trade. Here is exactly what a standard roof flashing repair visit in Burlington covers, and what is deliberately quoted separately instead of buried in the price.

  • Photo documentation before and after
  • Verification test on completion
  • Full method service performed to manufacturer and code standard
  • Exterior termination and cap check as part of the same visit
  • Workmanship warranty in writing
  • HEPA containment and complete clean-up of the work area
  • Not included: Third-party roof or scaffold access on unusually steep or unsafe roofs
  • Not included: Interior finish repair (drywall, paint) where prior water damage already exists
  • Not included: Appliance servicing that falls under a licensed gas fitter's scope
  • Not included: Structural rebuild work discovered during inspection (quoted separately)

What a real Burlington visit looked like

We attended a Burlington 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.

It is worth saying plainly — the value of the visit was the evidence, not the labour. Once the cause was visible, the repair itself was routine.

Compliance, certification and documentation

Work in Halton 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.

  • Manufacturer installation instructions, which the code treats as binding
  • CSA B365 for solid-fuel burning appliances
  • CSA B149.1 where a gas appliance shares the venting system
  • Ontario Building Code and the O. Reg. 332/12 requirements governing venting and clearances
  • Insurer documentation requirements for post-incident and pre-renewal claims
  • WETT certification standards for wood-burning system inspection

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

We are not precious about DIY. Sweeping leaves off a low roof, keeping the vent hood flap free, and checking the clean-out after a storm are all sensible things to do yourself.

The limit is diagnosis, not effort. Almost every serious failure we attend was invisible from the ground, and several were made worse by a well-intentioned repair that redirected water instead of removing it.

A reasonable rule for Burlington: if the task is observation, do it yourself; if the task is measurement or method, hire it out.

What happens after the visit

You receive a photo report the same day, a written condition summary with priority ranking, and — where repairs are recommended — a fixed quote valid for 30 days. Nothing is auto-scheduled and nothing is charged without approval.

If the report flags a safety-now item, we will tell you plainly what the risk is, what happens if it is deferred, and what the minimum safe interim step is.

We run the same method in neighbouring markets — Roof Flashing Repair in Cambridge, Roof Flashing Repair in Guelph, Roof Flashing Repair in Orangeville.

FAQ

Flashing Repair in Burlington — common questions

What is step flashing?+

Small L-shaped metal pieces woven into each shingle course where the roof meets a wall. When they fail, water enters at every course — usually where the ceiling stain shows up years later.

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