01Flat, shingle, metal. Commercial and residential.
Roof Repair
- Roof leak repairs
- Emergency tarping
- Storm damage repair
- Shingle repairs & replacement
- Flat roof repairs (EPDM, TPO, Mod-Bit)
- Flashing repairs
- Drain issues
- Rooftop troubleshooting
Serving Ajax
Roofing & Waterproofing in Ajax
Ajax's post-war founding community and newer north Ajax subdivisions create a building range that rewards a contractor who knows construction eras.
25+Years on GTA roofs
60 minEmergency response
Licensed& fully insured
GTARegion served
Our Services in Ajax
What we do in Ajax.
Four core services, each with bespoke local knowledge applied to Ajax's specific building types and conditions.
01
02Below grade. Balcony. Terrace. Parking deck.
Basement Waterproofing
- Basement leaks
- Below-grade waterproofing
- Sump pump installation
- Balcony leaks
- Terrace leaks
- Underground parking waterproofing
- Crack injections
- Concrete slab leaks
0324 hours a day. On site within 60 minutes across the GTA.
Emergency Roof Repair
- Flooding response
- Storm & wind damage
- Fire-related roof & building repairs
- Insurance claim support
- Temporary protection & tarping
- Structural drying coordination
- Emergency rebuilds
04Comprehensive reports a lender will accept.
Roof Inspection
- Residential inspections
- Commercial roof assessments
- Industrial inspections
- Drone inspections
- Thermal imaging
- Moisture detection
- Forensic leak investigations
- Insurance reports
01Flat, shingle, metal. Commercial and residential.
Roof Repair
02Below grade. Balcony. Terrace. Parking deck.
Basement Waterproofing
0324 hours a day. On site within 60 minutes across the GTA.
Emergency Roof Repair
04Comprehensive reports a lender will accept.
Roof Inspection
Why Blue Knight
Why Ajax property owners choose us.
01Emergency
60-Min Response
Active leaks anywhere in the GTA get same-day priority dispatch. We answer at 2am, including weekends and holidays.
02Coverage
Licensed & Insured
Complete liability coverage on every job. All work is documented and you are protected from start to finish.
03Transparency
Written Reports Every Time
Inspection reports, repair documentation, and scope estimates in writing before we touch anything.
04Experience
25+ Years on GTA Roofs
We've worked on tens of thousands of GTA buildings. We recognise failure patterns before they become emergencies.
05Diagnosis
Find the Cause First
We trace the actual failure mode before proposing a scope, and we quote what that scope requires rather than inventing urgency.
“Ajax's construction history spans 60 years. We match our diagnostic approach to the era of the building in front of us.”
01Emergency
60-Min Response
Active leaks anywhere in the GTA get same-day priority dispatch. We answer at 2am, including weekends and holidays.
02Coverage
Licensed & Insured
Complete liability coverage on every job. All work is documented and you are protected from start to finish.
03Transparency
Written Reports Every Time
Inspection reports, repair documentation, and scope estimates in writing before we touch anything.
04Experience
25+ Years on GTA Roofs
We've worked on tens of thousands of GTA buildings. We recognise failure patterns before they become emergencies.
05Diagnosis
Find the Cause First
We trace the actual failure mode before proposing a scope, and we quote what that scope requires rather than inventing urgency.
“Ajax's construction history spans 60 years. We match our diagnostic approach to the era of the building in front of us.”
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.
1 / 3
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
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
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
1 / 9
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.
Toronto
Greater Toronto Area
Extended Service Area
Service availability may vary. Call (647) 383-8664 to confirm coverage for your area.
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.
Toronto
Greater Toronto Area
Extended Service Area
Service availability may vary. Call (647) 383-8664 to confirm coverage for your area.
Areas Served
Neighbourhoods & areas we serve in Ajax.
We work across all areas of Ajax. If you don't see your neighbourhood listed, we almost certainly cover it.
Central Ajax
North Ajax
Westney Heights
South Ajax
Riverside
Pickering Village
McLean
FAQ
Ajax roofing questions.
Previous roof work may have covered deck problems rather than addressing them. We inspect the full deck during any repair or replacement work.
Yes, full Ajax coverage from the waterfront to the north boundary.
Within 60 minutes.
Yes, all areas of Ajax.
Yes, pre-purchase inspections with written reports.
In Depth
Roofing Across Ajax's Building Eras
Ajax's post-war founding stock and its 1990s-2000s suburban growth both have distinct roofing profiles. We work across both with era-appropriate diagnosis.
Written proposals before any work begins.
Our Coverage in Ajax
Full Ajax coverage, central, north, south, and waterfront areas.
Emergency and scheduled roofing and waterproofing services.
Nearby Service Areas
Other areas we serve near Ajax.
About Ajax
What we know about buildings in Ajax.
Ajax was established as a planned wartime industrial community and grew into a substantial residential city from the 1950s through the 2000s. The older Ajax central areas have post-war housing, bungalows and split-levels built in the 1950s-60s that are now well into their second or third roofing cycle.
North Ajax's rapid growth in the 1990s and 2000s produced the suburban subdivision stock now approaching first full replacement cycle. The installation quality issues common to this era of GTA development are present in north Ajax as well.
We work throughout Ajax with awareness of which construction era we're dealing with and what failure patterns that era produces.
Ajax's construction history spans 60 years. We match our diagnostic approach to the era of the building in front of us.
About Ajax
What we know about buildings in Ajax.
Ajax was established as a planned wartime industrial community and grew into a substantial residential city from the 1950s through the 2000s. The older Ajax central areas have post-war housing, bungalows and split-levels built in the 1950s-60s that are now well into their second or third roofing cycle.
North Ajax's rapid growth in the 1990s and 2000s produced the suburban subdivision stock now approaching first full replacement cycle. The installation quality issues common to this era of GTA development are present in north Ajax as well.
We work throughout Ajax with awareness of which construction era we're dealing with and what failure patterns that era produces.
"Ajax's construction history spans 60 years. We match our diagnostic approach to the era of the building in front of us."
Blue Knight, Ajax
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.