Blue Knight Roofing · Toronto, ON
Twenty-five years finding leaks other Toronto contractors couldn’t.
Building-envelope specialists across the GTA, roofing, waterproofing, 24/7 emergency response, and forensic inspections. One team, one written warranty.
Core sample diagnosis. Midtown Toronto, commercial flat roof.
Cedar shake replacement. Muskoka, ON. Mixed-material roof designed to outlast the next twenty-five winters.
At the heart of the building envelope.
We’ve been on Toronto roofs for twenty-five years, which means we’ve seen every failure mode, every cheap fix that turns into a flood, and every shortcut that ends in a call at two in the morning.
Blue Knight is a building-envelope specialist serving the Greater Toronto Area. Roofing, waterproofing, 24/7 emergency response, and forensic inspections, one team, one written warranty, same number whether it’s day one or year five.
View our work
Every project follows the same five steps.
A structured process from first call to written warranty, guaranteeing a permanent fix, not a patch.
Free Estimate- 01
Assessment
We start with a site visit or call to understand the leak, damage, or scope. Active leaks get same-day priority across the GTA.
- 02
Written Diagnosis
You receive a detailed estimate and diagnostic report with photos before any work begins. Suitable for insurers and property managers.
- 03
Scope & Materials
We match manufacturer specs to your roof system, shingles, membrane, flashing, or waterproofing. No surprises on method or material.
- 04
Execution
A certified lead on every crew. We test before we leave. Most residential repairs complete in a day; complex jobs get a confirmed timeline upfront.
- 05
Walkthrough & Warranty
Full completion walkthrough, photos of the finished work, and written warranty documents, manufacturer and workmanship, in your hand.
A crew that diagnoses before it demos.
Our crews are certified tradespeople led by experienced project leads. We don’t send a crew without a certified lead on it, and we bring the forensic approach that finds seams nobody else photographs.
- Certified lead on every crew
- Manufacturer-matched materials
- Same-day leak response
- One written warranty per job
Three things we won’t compromise on.
- 01
Transparency
Open communication at every stage. Written quotes, diagnostic photos, and clear scope before we touch anything. No hidden costs, no surprises.
- 02
Quality Craftsmanship
Premium materials and certified tradespeople. We never cut corners on flashing, membrane laps, or drainage. Every detail executed with precision.
- 03
Customer Focus
We tell you honestly if you need a repair or a replacement. Same number to call on day one or year five. Your satisfaction is how we measure success.
Start with an honest assessment.
We come to you, assess the roof, and give you a written quote. No obligation, no pressure. Most estimates completed same week.