Etobicoke · Roof Repair

Roof Repair in Etobicoke

Split-level flashings, Humber-adjacent moisture damage, or lakefront membrane failures, we diagnose and repair roof leaks across all of Etobicoke.

Single-storey home with a black asphalt-shingle hip roof and cedar entryway
25+Years on GTA roofs
60 minEmergency response
Licensed& fully insured
EtobicokeLocal expertise
What we address

Roof Repair in Etobicoke, what we fix.

01

Roof leak repairs

02

Emergency tarping

03

Storm damage repair

04

Shingle repairs & replacement

05

Flat roof repairs (EPDM, TPO, Mod-Bit)

06

Flashing repairs

The difference

Why Blue Knight finds it when others don't.

We trace the leak from the stain back to the source. That's how leaks get fixed permanently.

Rated 5 out of 5

Luciano did not try to sell me a new roof. Appreciated the honesty — he showed up when he said he would.

Etobicoke, ON·Google
Rated 5 out of 5

Blue Knight was, by far, the best. Responsive, ethical, totally professional — and their crew went above and beyond at no extra charge.

Toronto, ON·Google
Rated 5 out of 5

They installed a full new roof in one day. The crew worked around the house without us hardly knowing they were there.

North York, ON·HomeStars
Rated 5 out of 5

I emailed at 4 a.m. and spoke with someone that same day. Estimate and completed work all within one day. Pricing was fair, work was excellent.

Toronto, ON·Google
Rated 5 out of 5

We had a leak diagnosed by two other contractors who could not find the source. Blue Knight found it on the first visit and fixed it the same week.

Scarborough, ON·Google
Rated 5 out of 5

Flat roof replacement on a commercial unit. Clean, fast, no surprises on the invoice. The crew left the site cleaner than they found it.

Mississauga, ON·GuildQuality
Rated 5 out of 5

Called after a storm damaged our roof. Someone was on site within hours, tarped everything, and had us fully repaired before the next rain.

Vaughan, ON·HomeStars
Rated 5 out of 5

Had a slow basement leak for years. Every other company just caulked it. Blue Knight found the actual source and did a proper waterproofing job. No issues since.

North York, ON·Google
Rated 5 out of 5

Our neighbours recommended them for a valley repair. Small job, but they treated it like it mattered — showed up on time, matched the shingles perfectly, and charged exactly what they quoted.

Richmond Hill, ON·HomeStars
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GTA Roofing Projects Since 1999

Featured Projects.

Where We Work

Rooftops across the GTA.

From downtown Toronto to the 905 and beyond, one crew, one warranty, twenty-five years of GTA rooflines.

Service availability may vary. Call (647) 383-8664 to confirm coverage for your area.

FAQ

Roof Repair questions for Etobicoke.

Yes. Heritage homes often have slate, tile, or original copper flashings that require matched materials. We source appropriate materials and work carefully on heritage rooflines.

Yes. TPO, EPDM, and modified bitumen across the light industrial stock in the Rexdale employment lands and along The Queensway and Islington. These roofs almost never fail in the open field; they fail at drains that have ponded long enough to soften the substrate, at lap seams that have lost adhesion, and around older mechanical curbs that were topped up with sealant instead of properly rebuilt.

Most localized repairs are finished in half a day. Multi-slope work on a Richview or Markland Wood split-level usually takes a full day, because each intersection has to be opened, assessed, and rebuilt rather than sealed over. Flat commercial repairs depend on how far the moisture has travelled under the membrane, which we establish before quoting a duration.

Yes, with real limits that we state up front. Sealants and self-adhered membranes have minimum application temperatures, and shingles are brittle enough in hard cold that lifting them to work underneath can break them. So some winter work is a proper permanent repair and some is a sound temporary one carried through to spring. We tell you which you are getting rather than describing both as a repair.

Yes, on every job rather than on request. The report includes dated photographs of the condition before and after, the failure described by mechanism rather than by adjective, and the materials used. That record matters at claim time, at resale, and on the day another contractor tells you the whole roof needs replacing.

We trace the water back from the interior stain to its actual entry point, usually a valley, dormer sidewall, or step-flashing joint on Richview and Markland Wood split-levels, then repair that specific intersection rather than re-sealing the whole roof.

Most localized leak repairs on a standard shingle roof run a few hundred dollars; costs rise for slate or copper flashing repairs on Kingsway heritage homes or for flat commercial membranes on Islington. We quote after inspection, not over the phone.

Yes. Flat membrane leaks on these large-span retail and industrial roofs are usually ponding or seam failures rather than punctures, and we repair TPO, EPDM, and modified bitumen systems accordingly.

Wind and hail damage from storm systems coming off the lake are typically covered, but the adjuster needs clear documentation. We photograph the damage pattern on-site so it holds up in the claims process.

Split-levels in Markland Wood and bungalows in Alderwood on standard asphalt shingles generally need replacement every 18-25 years, sooner if there's heavy tree canopy or repeated ice-dam damage at the valleys.

In Depth

Etobicoke's 1950s-60s split-levels have complex rooflines with multiple valleys, dormers, and step-flashing intersections. These are the areas that fail first, and they require careful hands-on assessment rather than a visual sweep from the edge. We trace the leak path before picking up a tool.

Flat-roof commercial properties along Islington and The Queensway represent a different challenge, large-span membranes with fewer penetrations but more exposure to ponding and thermal movement. We repair and, when warranted, replace these systems.

Roof Repair Across Etobicoke's Building Types

Split-levels in Richview and Markland Wood, heritage detached in The Kingsway, post-war bungalows in Alderwood, each Etobicoke neighbourhood has its own roofing characteristics. We work across all of them with building-specific knowledge.

For flat-roof commercial buildings in Etobicoke's western corridors, we bring membrane-specific expertise. TPO, EPDM, and modified bitumen systems each have distinct repair approaches.

Humber Valley Roofing Considerations

Properties near the Humber River in Etobicoke face higher moisture exposure from valley air movement and canopy coverage. These conditions accelerate algae growth on shingles, block gutters more frequently, and create specific ice-dam patterns at rear valleys.

We account for local site conditions when recommending materials and maintenance intervals for Humber Valley properties.

Ready to schedule your estimate?

We come to you, assess the roof, and give you a written quote. You are not obliged to proceed. Most estimates completed same week.

Call us directly

(647) 383-8664

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