24-48h Turnaround
Get a written quote and photo report faster than the industry standard
More Than Just a Roofer:
A Partner for Your Home
Serving Ottawa for 15+ years under the same ownership.
A dedicated division of Big City Windows
Verified Scope
Dedicated Project Managers ensure what was quoted is exactly what gets built
Photo-Proof Change
We never bill for extra work without showing you the photo evidence first
Immaculate Cleanup
From bin protection to magnet sweeps - we respect your driveway and lawn
Established since 2011
A Legacy of Trust in the Ottawa Valley
Big City Roofing isn’t just another contractor – we are a specialized division of Big City Windows, built on a foundation of over 15 years of excellence in the Ottawa region.
While our focus is roofing-first, our expertise extends to the entire exterior. Operating under the same local ownership since day one, we provide homeowners with the stability of an established business combined with the precision of dedicated roofing specialists. Whether it’s high-end metal roofing, siding, or gutters, we deliver solutions engineered for Ontario’s harshest seasons.
Our ServicesThe big city standard
Why Homeowners Trust Us
We've built our reputation on transparency, meticulous oversight, and a commitment to protecting your investment from start to finish.
Fast Quotes + Photo Reporting
Stop guessing about your roof's condition. You receive a comprehensive written estimate backed by a detailed photo report - typically within 24-48 hours
Project Manager Oversight
Quality isn't left to chance. A dedicated Project Manager verifies all material quantities and conducts on-site inspections during and after installation
No Surprise Scope Changes
If hidden damage is found, we don't just bill you. We document it with photos and provide a written change order for your approval before any work continues
Premium Cleanup Standards
We protect your property like it's our own. This includes landscape shielding, driveway protection under bins, and a thorough magnetic sweep for nails
Showroom + Infrastructure
We aren't a "truck and a ladder" operation. Visit our local Ottawa showroom to see materials in person and meet the team standing behind your warranty
Industry-Leading Warranties
Rest easy with a 10-year workmanship warranty and manufacturer material coverage lasting up to 50 years. Full written terms are provided with every contract
VISIT US IS PERSON
Ottawa's Premier Roofing Showroom
Don't choose your roof from a small catalog. Visit our local facility to see full-scale displays, feel the materials, and get expert advice in a comfortable environment
Find Us on Maps
2615 Lancaster Road, Unit 19, Ottawa, ON K1B 5N2 
(613) 627-4277 Project map
Proven Excellence Across Ottawa
From individual homes to large-scale exterior renovations, we've covered every corner of the Ottawa Valley. Each dot represents a completed project where quality meets durability.
Safety & compliance
Your Property Fully Protected
We take safety as seriously as we take roofing. Big City Roofing is fully insured and compliant with all provincial regulations to give you total peace of mind
$5M Liability Insurance
Comprehensive coverage that protects your home and neighboring properties against any unforeseen incidents during construction
WSIB Covered & Compliant
Every member of our team is fully covered by the Workplace Safety and Insurance Board. You are never liable for on-site worker safety
Certified & Trained Teams
Our crews undergo mandatory Working at Heights and WHMIS training, ensuring every project follows strict safety protocols and industry standards.
News & insights
The Roofing Report
Maintenance
Materials
Our Projects
Financing & Cost
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Maintenance
Materials
Our Projects
Financing & Cost
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Maintenance
Materials
Our Projects
Financing & Cost
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Maintenance
Materials
Our Projects
Financing & Cost
How to spot early roof wear before it turns into a major repair bill.
A quick visual checklist for shingles, flashing, and drainage issues homeowners can inspect each season.
Materials
Our Projects
Financing & Cost
Metal vs asphalt in Ottawa climate: durability, noise, and long-term value.
We compare lifecycle cost, maintenance requirements, and warranty coverage across common roofing systems.
Maintenance
Our Projects
Post-installation checklist: what to verify after your roofing project is done.
From cleanup standards to attic ventilation and documentation, here is what to confirm before final sign-off.
