Hamilton · Burlington · GTA West
The roof built to outlast
your mortgage.
Residential and commercial roofing across Hamilton and the GTA West. Free quote, no obligation.
Financing available — pay over timeBacked by Certification. Driven by Quality.
Fully licensed, insured, and WSIB-compliant, with annual Working at Heights training. We're trained directly by our manufacturers — every install is done by a certified crew and inspected to spec.
What brought you here?
Tell us what you
need done.
Four services. Pick a job below.
We serve
Same-week fixes, diagnosed right the first time.
24–72 hr responseSloped Roofing
Shingle, tile, and metal repairs across GAF and EuroShield systems. Flashing, valleys, ridge caps.
Residential & commercial
Residential & commercial
Repair slopedFlat Roofing
Membrane patches and seam re-welds on GAF EverGuard TPO and Duradek vinyl decks. Drain repairs included.
Residential & commercial
Residential & commercial
Repair flatSkylights & Sun Tunnels
Velux-certified leak diagnostics. Gasket, flashing, and seal repairs on existing skylight units.
Mostly residential
Mostly residential
Repair skylightsProducts & Manufacturers
Manufacturer-warranted product lines.Browse every line and its colors.


GAF
North America's largest roofing manufacturer. Gateway is a GAF-certified installer of their architectural and designer shingles plus their low-slope commercial systems, each backed by GAF manufacturer warranties.
6 product lines

EuroShield
Sustainable rubber roofing made from recycled materials, offering the look of natural slate and shake with exceptional impact and weather resistance for Canadian climates.
4 product lines

Wiseline
Metal roofing systems, durable steel profiles built for long service life and a clean, modern look, suited to both residential and commercial roofs.
2 product lines

Duradek
Waterproof vinyl membrane that doubles as a finished walking surface, ideal for balconies, rooftop decks, and low-slope areas. Available in a wide range of textures and colours.
1 product line

Velux
The world's leading skylight manufacturer. Gateway is a Velux installer of fixed, venting, and flat-roof skylights plus tubular Sun Tunnels, bringing natural daylight into any room.
2 product lines
Why We Are Different
Gateway Roofing is the no-nonsense, high-quality roofing company that delivers premium workmanship, real transparency, and a hassle-free experience — without high-pressure sales or subcontractor shortcuts.
We don't just install roofs.
We deliver a professional experience from start to finish.
- Professional, accountable crews
- No-pressure, straightforward advice
- Clear, detailed scope of work
- Premium materials and proven systems
- Real-time photo updates through your customer portal
Financing
Roof Replacement Made Affordable.
A new roof doesn't have to be a financial burden. With financing options tailored to your needs, you can get the protection your home deserves today and make payments in a way that works for your budget.
Financing partner

Apply online in minutes. Soft credit check, multi-year terms, and a clear monthly payment before your project starts.
Apply for financingOpens Financeit's secure application.
Recent Work
Recent roofs across the GTA West.
Real project photos arrive post-launch.
Service Areas
Across the GTA West.
Same-day callbacks, every city we serve.
Our work spans Lake Ontario to the escarpment. If you're inside this map, we're the local crew.
- / 01
Hamilton
Residential and commercial roofing across the city.
- / 02
Burlington
Lakeshore residential to commercial flat-roof projects.
- / 03
Ancaster
Heritage and modern residential roofing.
- / 04
Stoney Creek
From the escarpment down to the lake.
- / 05
Binbrook
Rural and residential roofing.
- / 06
Waterdown
Residential roofing and attic insulation.
Google Reviews
Real reviews from Gateway customers.
5.0 average rating
Verified on Google Business Profile
Frequently Asked
Answers to the questions we get most.
Don't see your question here? Send it through the quote form, we usually respond within a business day.
Yes. Every quote starts with a no-obligation site visit and a written, line-item proposal you can compare against any other contractor. There is no charge and no pressure to book.
Gateway Roofing serves Hamilton, Burlington, Ancaster, Stoney Creek, Binbrook, and Waterdown, plus the surrounding GTA West. If you are just outside these areas, reach out and we will let you know if we can help.
Yes. We are fully licensed and insured, WSIB-compliant, and our crews carry annual Working at Heights training. We are happy to provide proof of coverage before any work begins.
We are a certified installer for GAF shingles, EuroShield rubber slate and shake, Wiseline standing-seam metal, Velux skylights and Sun Tunnels, Owens Corning attic insulation, and GAF and Duradek flat-roof systems. Every install is backed by the manufacturer's warranty.
Yes. We install sloped residential roofs as well as commercial flat-roof systems, including TPO membrane and Duradek vinyl deck. Repairs, full replacements, and maintenance plans are available for both.
Roof cost depends on size, pitch, the system you choose, and the condition of the existing deck, so we never quote a flat rate sight-unseen. Book a free inspection and we will give you a firm, written price with no surprises.
Yes. We partner with Financeit so you can apply online in minutes with a soft credit check, choose multi-year terms, and know your monthly payment before the project starts.
You get the manufacturer's product warranty (which varies by system) paired with our own workmanship warranty. For most installs we register the manufacturer warranty on your behalf so the paperwork is handled for you.
If your roof was damaged by a covered event such as wind, hail, or a fallen tree, we can document the damage and provide a written scope for your insurance adjuster to support your claim.
Free Quote · No Obligation
Tell us about your roof.
We'll handle the rest.
We'll review your project details and get back to you with a written proposal. No high-pressure sales call after.
- Free, no-obligation site visit
- Manufacturer-certified systems
- Workmanship warranty
- WSIB-covered & fully insured
Or call us direct
(289) 907-2194













