Flat roof repair and installation across Etobicoke
Etobicoke Flat Roof Repair, Installation, and Replacement
We install, replace and repair flat roofs across Etobicoke. Free no-obligation quotes, warrantied workmanship and a 24/7 line for anything that cannot wait.
What you get from Flat Roofs Toronto
24/7 Emergency Response
Leaks do not wait for business hours.
Free No-Obligation Quotes
Scope, system and number, in writing, first.
Manufacturer & Workmanship Warranties
The materials and the installation are both covered.
Flat Roofs Only
Low-slope work is the whole business, not a sideline.
Flat Roofing Across Etobicoke
Etobicoke splits neatly into two flat roofing worlds. North and west of the airport corridor, the industrial parks along Highway 427, Kipling and Rexdale are almost entirely low slope: warehouses, distribution buildings and single storey plants with acres of membrane, roof drains and mechanical curbs. South and east of that, the residential streets are dominated by postwar bungalows, side splits and back splits, most of which have picked up a flat roofed rear addition, carport or attached garage along the way. The lakeshore communities of Alderwood, Long Branch, New Toronto and Mimico add older homes with rear flat sections plus the Humber Bay Shores condo cluster. Wind off Lake Ontario and freeze thaw movement inland are the two forces that decide how long an Etobicoke flat roof lasts.
Why Flat Roofs Are Everywhere in Etobicoke
- The Highway 427 and Rexdale industrial corridor is built almost entirely on low slope roofs, so commercial flat roofing is routine work in Etobicoke.
- Postwar bungalows and split levels across central Etobicoke carry flat roofed additions, carports and attached garages that need periodic membrane replacement.
- Lakeshore housing in the south and mid rise buildings around Etobicoke City Centre both rely on low slope assemblies exposed to open wind.
Residential and Commercial Flat Roofing in Etobicoke
Two different kinds of roof, two different ways of working. Both are everyday work for these crews.
Residential
Homes and Additions in Etobicoke
Etobicoke houses give us more room to work than the downtown core, with driveways for material and open rear yards. The typical job is a flat roofed addition, carport or attached garage tied into a shingled main roof, plus the flashing where the two meet. We correct sagging decks, add tapered insulation where water sits, and replace membrane that has gone brittle. On lakeshore homes we pay extra attention to edge metal and perimeter fastening because wind uplift is the main failure mode there.
Commercial
Commercial Buildings in Etobicoke
For Etobicoke industrial and commercial buildings we handle large low slope roofs on warehouses, plants and plazas. That means TPO, PVC, EPDM and modified bitumen systems, drain and sump rebuilds, tapered insulation to clear ponding, and careful curb work around the large rooftop units these buildings carry. We phase work to keep loading docks and tenant operations running, and we provide 24/7 emergency flat roof repair when a leak threatens stored inventory or production equipment.
Flat Roofing Services in Etobicoke
Everything we do sits on a low-slope roof. Residential first, commercial second, and one number for an emergency at any hour.
Residential
Residential Flat Roofing
Rear additions, garages and row house decks. Tear-off to sound deck, new two-ply or single-ply membrane, and rebuilt flashing where the flat section meets the slope.
Replacement
Flat Roof Replacement
Core samples first, then a full tear-off, dry insulation, corrected slope and a new membrane, quoted in writing before anything comes off.
24/7
24/7 Emergency Flat Roof Repair
Active leaks, storm damage and open seams, answered around the clock. We stop the water first, then come back and fix the cause properly.
Daylight
Residential Flat Roof Skylights
Curb-mounted units framed into the deck, flashed by roofers and tied back into the membrane, plus replacements where the glazing has fogged.
Commercial
Commercial Flat Roof Installation
TPO, PVC, EPDM and modified bitumen on commercial and industrial low-slope roofs, phased so the building keeps operating.
Commercial
Commercial Flat Roof Skylights
Domes, barrel vaults and glass units, curbed and flashed by roofers, plus smoke vents and roof hatches surveyed in the same visit.
Residential
Attic Insulation and Ventilation
The cavity under the deck, to an R-50 to R-60 target where the depth allows it, with the venting strategy settled rather than left half of each.
Guide
Compare Every System
Six systems compared on lifespan, seams, fire behaviour, cost tier and the deck each one suits, so the quote you get is one you can read.
Flat Roof Systems We Install in Etobicoke
Every flat roof in Etobicoke gets the membrane that suits it rather than the one on the truck. Here is what we install and where each one earns its place. Compare every system side by side.
Two Ply
Modified Bitumen
Torch-applied or self-adhered SBS in two plies, with a granule-surfaced cap. The default on Toronto houses because it handles tight perimeters, curbs and wall terminations without a wide sheet.
- 15 to 20 year service life
- Redundant second ply
- Repairs patch cleanly
Torch Free
Cold-Ply
The same two-ply build assembled in cold adhesive rather than with an open flame. It is what we specify over occupied buildings, beside vinyl siding and anywhere a torch is not welcome.
- No open flame on the roof
- Low odour on occupied buildings
- Granule-surfaced cap
Single Ply
TPO and PVC
Hot-air welded thermoplastic sheet, laid in wide rolls with far fewer seams. It suits large commercial fields, and the reflective white surface keeps a warehouse roof cooler through a Toronto summer.
- Welded rather than glued seams
- Reflective white surface
- Fast over large areas
Rubber
EPDM
A synthetic rubber membrane that stays flexible through freeze thaw movement and takes ponding better than most. Common on garages, additions and small commercial decks.
- Flexible in cold weather
- Tolerates standing water
- Simple to detail and repair
Where We Work in Etobicoke
The plan opens on Etobicoke. Every borough and every GTA region we cover is on it.
Select a region on the plan
Areas we serve in Etobicoke: Alderwood, Edenbridge-Humber Valley, Elms-Old Rexdale, Eringate-Centennial-West Deane, Etobicoke City Centre, Etobicoke West Mall, Humber Bay Shores, Humber Heights-Westmount, Islington, Kingsview Village-The Westway, Kingsway South, Long Branch, Markland Wood, Mimico-Queensway, Mount Olive-Silverstone-Jamestown, New Toronto, Princess-Rosethorn, Rexdale-Kipling, Stonegate-Queensway, Thistletown-Beaumond Heights, West Humber-Clairville, Willowridge-Martingrove-Richview.
Not listed? Call and ask. If we work the street next to yours we work yours.
What We Watch For on an Etobicoke Flat Roof
The conditions that decide how long a roof here lasts, and what we detail differently because of them.
- Open wind exposure along the lakeshore and across the flat industrial lands puts high uplift load on perimeter edge metal and membrane fastening.
- Ponding is common on older Etobicoke industrial roofs where the deck has deflected between joists and the drains sit high.
- Freeze thaw cycling and snow load at the junction between a shingled main roof and a flat addition open the transition flashing on residential roofs.
- Industrial exhaust, grease from restaurant and food plant vents and airborne grit near the airport corridor degrade membrane surfaces faster than in quieter areas.
Recent Flat Roofing Projects
Real jobs photographed on site across Toronto and the GTA. Our projects are not tagged to a single area, so these are the most recent rather than the nearest.
Lumbered Slope Build and Two-Ply System, Toronto
A lumbered slope framed over a flat roof deck to move water toward the drains, with a two-ply system installed over it.
Flat Roof Application Detail, Toronto
A detail from a flat roof membrane application, showing the finished surface of the system.
Attic Inspection and Blown-In Insulation, Toronto
Inspection of a flat roof attic space followed by blown-in insulation. The cavity is checked before any insulation is added.
Flat Roofing Advice for Etobicoke
Membranes, drainage, insulation and what this climate does to a low-slope roof.
Flat Roofing in Etobicoke: Best Systems for Homes and Businesses
Compare flat roofing Etobicoke systems, 2026 installed costs, insulation and drainage rules, permits and timelines for Etobicoke homes and businesses.
Flat Roofing in Richmond Hill: Best Systems for 2026
A practical 2026 guide to flat roofing in Richmond Hill: best membrane systems, real installed costs, Ontario Building Code insulation and drainage rules.
Commercial Flat Roofing in Markham: 2026 Guide
Commercial flat roofing in Markham: 2026 costs, membrane systems, drainage and Ontario Building Code rules, permits and maintenance for GTA building owners.
Flat Roofing Questions From Etobicoke
The questions we are asked most often on roofs in this part of the city.
Do you do commercial flat roofing in Etobicoke industrial parks?
Yes. The industrial areas of Etobicoke along Highway 427, Kipling and Rexdale are a core part of our commercial work. We handle full tear off and replacement, sectional repairs, drain rebuilds and tapered insulation on warehouse and plant roofs, and we phase the work so shipping and production keep running while the roof is being replaced.
My Etobicoke bungalow has a flat roof over the addition. Can you replace just that?
Yes. Replacing only the flat section is normal on an Etobicoke bungalow, since the shingled main roof usually has different remaining service life. The important part is rebuilding the flashing where the flat addition meets the sloped roof and the wall, because that transition is where most of these roofs leak. We tear off to the deck and correct slope while we are there.
Does wind off the lake affect flat roofs in south Etobicoke?
It does. Homes and buildings in the lakeshore parts of Etobicoke get sustained wind off Lake Ontario, and on a flat roof the load concentrates at the perimeter and corners. Loose edge metal, lifted membrane at the perimeter and torn flashing are all common there. We specify closer perimeter fastening and properly secured edge metal on exposed roofs.
What flat roof systems do you install in Etobicoke?
We install modified bitumen, EPDM, TPO and PVC, and we also work on built up and tar and gravel roofs. For Etobicoke houses the flat sections are usually modified bitumen or EPDM. For the large industrial roofs in the 427 corridor, single ply TPO or PVC is common because of the size, the reflectivity and the speed of installation.
How long should a flat roof last in Etobicoke?
A properly installed and drained flat roof in Etobicoke should give roughly a 20 to 30 year service life, with the top of that range going to well maintained single ply and the lower end to older modified bitumen. Ponding water, blocked drains and neglected flashing are what cut that short. Manufacturer and workmanship warranties are provided on our installations.
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Request a Free Quote in Etobicoke
Tell us what the roof is doing and we will come and look at it. No charge, and no obligation to proceed.
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Office Hours
Open 7 days a week: 7:00am to 11:30pm
Emergencies
The line above is answered 24/7 for anything that cannot wait, including weekends and statutory holidays.
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Free, No Obligation
Get a Free Flat Roof Quote in Etobicoke
Call Flat Roofs Toronto at (647) 333-3528 for a free no obligation quote on your Etobicoke flat roof.