Toronto, ON
Flat Roofing in Toronto, Ontario
Need flat roofing work in Toronto? Tell us about your project and LokalMatch will help you find local flat roofers that match what you need.
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Flat roofing services in Toronto
- Roof Repair
- Roof Replacement
- Emergency Roof Repair
- Asphalt Shingle Roofing
- Metal Roofing
- Cedar Roofing
- Slate Roofing
- Roof Inspection
- Roof Maintenance
- Skylights
- Gutter Installation
- Gutter Repair
- Soffit & Fascia
- Siding
- Stucco
- Exterior Cladding
- Exterior Trim
- Chimney Repair
- Chimney Cleaning
- Masonry
- Brick Repair
- Tuckpointing
- Exterior Caulking
- Exterior Waterproofing
Toronto flat roofers
Results are ordered by how well they match your service and area — not by who pays. How we rank prosHow we verify pros
What to know about Flat roofing
Flat roofing covers the roofs that look level from the street but are built with a gentle slope toward drains: the roofs on most duplexes, triplexes and row houses in Montreal and Quebec City, on many urban homes elsewhere in Canada, and on garages, additions and porches. Instead of shingles that shed water by overlapping, a low-slope roof relies on a continuous waterproof membrane, sealed at every seam and turned up at every parapet, vent and roof hatch. Water that lingers has time to find any weak spot, so a flat roof is only as good as its drainage.
Read our full guide to Flat roofingWhat changes in Toronto
We list 4 areas inside Toronto on their own pages, because a service area is drawn by each pro and does not always reach the whole city. For flat roofing, the part of town matters as much as the city.
Toronto is the principal city of a wider area we list under the name Greater Toronto Area, which takes in 27 other places. A pro's service area might be Toronto on its own or the whole of it — we match on the one they gave us.
Toronto publishes its own building-permit page, and it is linked below beside the rules that apply in Ontario. Whether flat roofing needs a permit is answered there, not in a quote.
The rules we can source for this work in Ontario cover general contracting and renovation. They are set out below with the page each one came from — the regulator's words, not ours.
Toronto is in the Ontario and Quebec zone our seasonal checklists are written for, and this work appears in Summer and Winter on the maintenance calendar. Those notes are about heavy snow, freeze–thaw cycles and ice dams.
Flat roofing costs in Toronto
Prices depend on the details of your project. We only publish price ranges when they’re backed by real LokalMatch quote data or reliable sources. Until then, here’s what usually changes the price:
- Roof size and the number of layers to remove
- Roofing material
- Slope and how steep the roof is to work on
- Access to the roof and the site
- Condition of the decking underneath
- Flashing, vents, skylights and chimneys to work around
- Amount of repair work compared with a full replacement
How to choose flat roofers in Toronto
- Ask for a written quote that lists the materials, the scope of work and what happens if damaged decking is found once the old roof is off.
- Look for a roofer who inspects the roof in person, including the attic if possible, before giving you a price.
- Check that they carry liability insurance and workers' compensation coverage, since roof work is high-risk.
- Compare quotes on the same scope: tear-off or overlay, underlayment, flashing, vents and cleanup.
- Ask to see recent roofs they've done that are similar to yours in material and slope.
Questions to ask flat roofers before you hire
- Will you remove the old roofing or install over it, and why?
- How will you handle damaged decking or other surprises once the roof is open?
- Who will pull the permit if one is needed?
- Can you show me proof of liability insurance and workers' compensation coverage?
- What warranty do you offer on your workmanship, and how long does it last?
- How will you protect my yard, gutters and siding, and how will you clean up nails and debris?
- Will your own crew do the work, or will you use subcontractors?
Flat roofing permits in Toronto
Some flat roofing work needs a permit or has to meet local bylaws. Rules vary by municipality, so ask your pro whether a permit is needed and who will apply for it — and check with your city or town if you’re unsure.
Published by Toronto
Licensing in Ontario
General contracting and renovation
Renovating an existing home generally doesn’t require an HCRA builder licence: HCRA says renovations or upgrades typically don’t make a home “new”. Ontario advises checking references, WSIB coverage and trade certificates before you hire.
Sources:HCRA – Do you need a licence?(opens in a new tab)Ontario – Your rights when starting home renovations or repairs(opens in a new tab)
Plan your project
Free project calculators
Seasonal maintenance checklists
Guides about flat roofing
- ✦
Roofers guide
A roofer installs, repairs and maintains the layers that keep weather out of your home: the shingles or panels you can see, and the underlayment, flashing, vents and eave membranes you can't.
Read guide - ✦
Roof Repair guide
Most roof leaks start small, and far from where the water finally shows. Water that slips past a lifted shingle or a cracked flashing can run along the deck or a rafter before it drips onto the insulation and stains a…
Read guide - ✦
Roof Replacement guide
Roof replacement means removing the old covering down to the deck, repairing what's underneath and installing a complete new roof system: underlayment, eave protection, flashing, vents and the finished surface.
Read guide
Common flat roofing questions
Is LokalMatch free for homeowners?
Yes. You never pay LokalMatch to request quotes or talk to pros. Professionals pay a fee to connect with homeowners whose projects fit their business.
How many pros will contact me?
We introduce you to a small number of relevant pros — usually no more than three — so you’re not flooded with calls. If fewer pros are available in your area, we’ll tell you instead of promising quotes we can’t deliver.
Do I have to hire someone?
No. Requesting quotes doesn’t commit you to anything. Compare your options and hire only if someone is the right fit.
Get flat roofing quotes in Toronto
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