01Flat, shingle, metal. Commercial and residential.
Roof Repair
- Roof leak repairs
- Emergency tarping
- Storm damage repair
- Shingle repairs & replacement
- Metal roofing
- Flat roof repairs (EPDM, TPO, Mod-Bit)
- Flashing repairs
- Drain issues
Woodbridge's custom homes, many built by Italian-Canadian families from the 1980s through the 2000s, carry complex rooflines, clay tile accents and stucco walls that deserve careful, matched maintenance, and the older village beside the Humber has roofs and basements of its own to look after.


Four core services, each with bespoke local knowledge applied to Woodbridge's specific building types and conditions.
01Flat, shingle, metal. Commercial and residential.
02Below grade. Balcony. Terrace. Parking deck.
0324 hours a day. On site within 60 minutes across the GTA.
04Comprehensive reports a lender will accept.
01Flat, shingle, metal. Commercial and residential.
02Below grade. Balcony. Terrace. Parking deck.
0324 hours a day. On site within 60 minutes across the GTA.
04Comprehensive reports a lender will accept.
Active leaks anywhere in the GTA get same-day priority dispatch. We answer at 2am, including weekends and holidays.
Complete liability coverage on every job. All work is documented and you are protected from start to finish.
Inspection reports, repair documentation, and scope estimates in writing before we touch anything.
We've worked on tens of thousands of GTA buildings. We recognise failure patterns before they become emergencies.
We trace the actual failure mode before proposing a scope, and we quote what that scope requires rather than inventing urgency.
“A Woodbridge custom home can carry shingle, clay tile, a membrane deck and stucco walls on one roof, a finished basement with a cold cellar under the porch, and a lot that falls toward the Humber. Each of those fails in its own way, and a contractor who treats the house like a standard subdivision build misses most of them. We diagnose the whole house in writing before quoting any part of it.”
Active leaks anywhere in the GTA get same-day priority dispatch. We answer at 2am, including weekends and holidays.
Complete liability coverage on every job. All work is documented and you are protected from start to finish.
Inspection reports, repair documentation, and scope estimates in writing before we touch anything.
We've worked on tens of thousands of GTA buildings. We recognise failure patterns before they become emergencies.
We trace the actual failure mode before proposing a scope, and we quote what that scope requires rather than inventing urgency.
“A Woodbridge custom home can carry shingle, clay tile, a membrane deck and stucco walls on one roof, a finished basement with a cold cellar under the porch, and a lot that falls toward the Humber. Each of those fails in its own way, and a contractor who treats the house like a standard subdivision build misses most of them. We diagnose the whole house in writing before quoting any part of it.”
Rated 5 out of 5Blue Knight was, by far, the best. Responsive, ethical, totally professional — and their crew went above and beyond at no extra charge.
Rated 5 out of 5They installed a full new roof in one day. The crew worked around the house without us hardly knowing they were there.
Rated 5 out of 5I 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.
Blue Knight was, by far, the best. Responsive, ethical, totally professional — and their crew went above and beyond at no extra charge.
They installed a full new roof in one day. The crew worked around the house without us hardly knowing they were there.
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.
Luciano did not try to sell me a new roof. Appreciated the honesty — he showed up when he said he would.
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.
Flat roof replacement on a commercial unit. Clean, fast, no surprises on the invoice. The crew left the site cleaner than they found it.
Called after a storm damaged our roof. Someone was on site within hours, tarped everything, and had us fully repaired before the next rain.
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.
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.
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.
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.
We work across all areas of Woodbridge. If you don't see your neighbourhood listed, we almost certainly cover it.
Yes. Multi-level hipped roofs with towers, dormers, porticos and several valleys are the norm on Woodbridge's custom-built streets, and we check every junction rather than assuming the leak sits above the stain. Safe access on tall, steep slopes is planned into the written estimate.
Yes. Clay tile over an entry, tower or portico is common here, and most leaks in those sections come from the underlayment and flashing beneath the tile rather than the tile itself. We repair selectively, keep sound tile for reuse, and tell you before pricing if a matching profile is hard to find.
Yes. Warehouses, plazas and light industrial buildings along the 400, Highway 7 and Major Mackenzie sit under large flat membrane roofs, and we repair, re-cover and replace them with written condition reports for owners and property managers.
Yes. Woodbridge is a short run from our North York base, so a crew is typically on site within 60 minutes anywhere in the community, 24/7, to stop the water and photograph the damage for insurance.
Yes. Woodbridge basements are usually fully finished, often with a second kitchen and a cold cellar under the front porch, so we locate the entry point before opening anything and choose the repair that disturbs the finished space least. Ravine lots along the Humber get a close look at groundwater.
Yes. The postwar bungalows and older houses near Woodbridge Avenue and Islington need different work from the custom estates: chimney flashing, tired shingles, and basements on lower ground close to the river. We assess them on their own terms and size the repair to the problem.
Often, yes. Houses in Vellore Village were production-built, so their problems look more like other GTA subdivisions: flashing shortcuts where roofs meet walls, cracked pipe boots, attic ventilation, and original shingles moving toward the end of their life. We price that work as what it is, not as custom-home work.
Woodbridge's custom homes have rooflines that require more diagnostic care than standard subdivision properties. Every tower, dormer and change in roof height creates another junction where flashing has to work with stucco, stone or tile, and on a large house those junctions run into the dozens. Access matters too, since a valley high on a steep slope cannot be checked safely without proper setup. We look at every junction rather than stopping at the first likely suspect, and the written proposal lists what we found, each with a photograph.
The other challenge is that the coverings do not wear out together. The asphalt on the main slopes may be near its end while the clay tile above the entry has years left and the membrane over the portico sits somewhere in between. Planned properly, each can be renewed in its own time without disturbing the others, which costs less and disrupts the house far less than replacing everything whenever one part fails.
Along the 400, Highway 7 and Major Mackenzie, Woodbridge's plazas, big-box stores and warehouses sit under large-span flat roofs whose problems are mostly about scale. A small seam failure can soak a wide area of insulation before anyone below notices, and the repair has to fit around trading hours, deliveries and tenant access. We work on these buildings with commercial membrane expertise and provide written reports for property management, including a priority list an owner can budget against.
The older village along Woodbridge Avenue grew up beside the Humber, and that shows in the work there. Big old trees shed into valleys and eavestroughs every autumn and now and then drop a limb onto a roof, chimneys on the postwar houses need their flashing renewed, and basements on the lower ground near the river take on more water than the newer streets uphill. Those houses do not need custom-home pricing. They need a straightforward diagnosis and a repair sized to the problem.
Woodbridge developed in the 1980s through 2000s as a destination for upscale custom homebuilding, driven substantially by the Italian-Canadian community's tradition of investing in quality residential property. The homes here are often larger, more complex in roofline geometry, and more elaborately detailed than typical GTA suburban development.
Complex custom rooflines mean more valleys, more flashings, and more transition points, which means more places for water to find its way in. On one house you may find three different coverings and a dozen places where a roof slope meets a wall, each aging at its own rate. We approach these buildings with the diagnostic care their complexity requires.
The community is not all custom estates. The original village along Woodbridge Avenue, near Islington Avenue and the Humber River, holds the oldest houses and storefronts, with postwar bungalows and storey-and-a-half homes on the streets around them. Up around Major Mackenzie Drive, Vellore Village was production-built more recently and behaves more like other GTA subdivisions than like the estates to its south.
Woodbridge also has significant commercial development along Highway 400, Highway 7 and Major Mackenzie, including big-box retail and warehouse facilities with large-span flat roofing we service regularly.
A Woodbridge custom home can carry shingle, clay tile, a membrane deck and stucco walls on one roof, a finished basement with a cold cellar under the porch, and a lot that falls toward the Humber. Each of those fails in its own way, and a contractor who treats the house like a standard subdivision build misses most of them. We diagnose the whole house in writing before quoting any part of it.
Woodbridge developed in the 1980s through 2000s as a destination for upscale custom homebuilding, driven substantially by the Italian-Canadian community's tradition of investing in quality residential property. The homes here are often larger, more complex in roofline geometry, and more elaborately detailed than typical GTA suburban development.
Complex custom rooflines mean more valleys, more flashings, and more transition points, which means more places for water to find its way in. On one house you may find three different coverings and a dozen places where a roof slope meets a wall, each aging at its own rate. We approach these buildings with the diagnostic care their complexity requires.
The community is not all custom estates. The original village along Woodbridge Avenue, near Islington Avenue and the Humber River, holds the oldest houses and storefronts, with postwar bungalows and storey-and-a-half homes on the streets around them. Up around Major Mackenzie Drive, Vellore Village was production-built more recently and behaves more like other GTA subdivisions than like the estates to its south.
Woodbridge also has significant commercial development along Highway 400, Highway 7 and Major Mackenzie, including big-box retail and warehouse facilities with large-span flat roofing we service regularly.
"A Woodbridge custom home can carry shingle, clay tile, a membrane deck and stucco walls on one roof, a finished basement with a cold cellar under the porch, and a lot that falls toward the Humber. Each of those fails in its own way, and a contractor who treats the house like a standard subdivision build misses most of them. We diagnose the whole house in writing before quoting any part of it."
Blue Knight, Woodbridge
We come to you, assess the roof, and give you a written quote. You are not obliged to proceed. Most estimates completed same week.