Updated June 2026

Best Flat & Low-Slope Roofing Contractors in Terrebonne

The 8 best flat & low-slope roofing contractors serving Terrebonne, QC — independently researched and ranked. No paid placements.

Flat and low-slope roofing in Terrebonne relies on membrane systems — TPO, EPDM, modified bitumen, and built-up roofing — common on commercial buildings and many modern homes. The 8 contractors below were selected from our full Terrebonne top 10 as the strongest for flat & low-slope work, ranked by experience, manufacturer certifications, BBB standing, and verified reputation.

Terrebonne's flat and low-slope roofing market reflects the particular demands of the Laurentian climate zone north of Montreal. Winters here are long and cold, with sustained sub-zero temperatures that test membrane flexibility and seam integrity, followed by spring thaw periods that concentrate heavy melt-water loads on flat surfaces. The residential and commercial flat roofs common across the Rive-Nord — garage tiers on residential additions, commercial buildings along Autoroute 25, and the flat-section roofs on multi-unit residential developments — must be specified and installed for this severity rather than to minimum code.

Québec's RBQ licensing requirement adds an accountability layer that benefits property owners in Terrebonne. Any roofing contractor working in Québec must hold a valid Régie du bâtiment du Québec license, and this can be verified through the RBQ public registry. For flat-roof work specifically, APCHQ membership and established relationships with membrane manufacturers — IKO, BP, Soprema, and Firestone are all active in the Québec market — provide additional quality signals that indicate a contractor's ongoing commitment to professional standards.

Quick Comparison

Rank Company Specialty Experience BBB Website
1 Clinique de la toiture FCA Best Overall Since 1996 Not Listed Visit
2 Les Toitures Martin Lafleur Best for Emergency Service Local Not Listed Visit
3 VM Toiture Most Established Since 1982 Not Listed Visit
4 Toitures Bertrand Best Flat-Roof Specialist 30+ Years Not Listed Visit
5 Toitures Joël Best for Shingle & Membrane Installs Since 2001 Not Listed Visit
6 Les Toitures CBC Best for Commercial & Industrial Since 1982 Not Listed Visit
7 Toitures F. Mayer Best GAF Master Elite Installer Local Not Listed Visit
8 CRTO Toiture Best Local Up-and-Comer Local Not Listed Visit

Detailed Reviews

#2

Les Toitures Martin Lafleur

Best for Emergency Service
ExperienceEstablished local roofer
BBB StatusNot Listed
SpecialtyResidential & Commercial
Service AreaTerrebonne & Rive-Nord

Les Toitures Martin Lafleur is an RBQ-licensed (5618-5036-01) couvreur and APCHQ member based in Terrebonne, fielding a team of roughly twenty qualified roofers plus a 24-hour emergency unit. The company carries IKO membrane and BP certifications and the PAQ+S quality certificate, and handles new installations, asphalt shingles, elastomeric and asphalt-and-gravel flat roofs, and roof snow removal across the North Shore.

Roof Replacement Asphalt Shingles Flat Roofing Elastomeric Membrane Emergency Repair Roof Snow Removal
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#3

VM Toiture

Most Established
ExperienceSince 1982 (40+ Years)
BBB StatusNot Listed
SpecialtyResidential & Commercial
Service AreaTerrebonne, Rive-Nord & Basses-Laurentides

Operating since 1982, VM Toiture is an RBQ-licensed (5812-9297-01) and insured roofer covering Terrebonne, the Rive-Nord, Lanaudière, and Laval. The company offers a full range of asphalt shingle and elastomeric membrane roofing for residential and commercial properties, including installation, inspection, repair, maintenance, and roof snow removal, backed by a stated 10-year workmanship warranty.

Asphalt Shingles Elastomeric Membrane Roof Repair Roof Replacement Roof Inspection Roof Snow Removal
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#4

Toitures Bertrand

Best Flat-Roof Specialist
Experience30+ Years
BBB StatusNot Listed
SpecialtyFlat & Commercial Roofing
Service AreaTerrebonne, Montreal & Rive-Nord

A Terrebonne-based family business with RBQ licence 5627-3063-01 and more than 30 years in operation, Toitures Bertrand specializes in flat roofs, elastomeric membrane, and asphalt-and-gravel systems. Its roofers and tinsmiths partner with IKO and Soprema, carry $5 million in liability coverage, and serve residential, commercial, and industrial clients across Terrebonne and Greater Montreal.

Flat Roofing Elastomeric Membrane Tinsmithing Roof Repair Roof Snow Removal Roof Maintenance
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#5

Toitures Joël

Best for Shingle & Membrane Installs
ExperienceSince 2001 (23+ Years)
BBB StatusNot Listed
SpecialtyResidential & Commercial
Service AreaTerrebonne, Repentigny & L'Assomption

Established in 2001 and RBQ-licensed (8274-1950-34), Toitures Joël fields about twenty employees in four expert crews and is recommended by CAA-Québec. The company installs, renovates, and repairs asphalt shingle roofs, flat roofs, elastomeric membranes, and white reflective roofs for residential and commercial clients across Terrebonne, Repentigny, Mascouche, and the L'Assomption area.

Asphalt Shingles Elastomeric Membrane White Roofing Roof Repair Roof Replacement Flat Roofing
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#6

Les Toitures CBC

Best for Commercial & Industrial
ExperienceSince 1982 (40+ Years)
BBB StatusNot Listed
SpecialtyCommercial & Industrial Flat Roofs
Service AreaTerrebonne & Greater Montreal

Based in Terrebonne and operating since 1982, Les Toitures CBC is a commercial and industrial roofing specialist and a member of the Canadian Roofing Contractors Association. The company installs single-ply TPO and PVC flat-roof membranes, ecological green roofs, and architectural metal cladding (through sister company Les Entreprises FMC), and provides roof inspections, maintenance programs, and snow removal on large-volume projects for general contractors and building owners across the greater Montreal region.

Flat Roofing TPO Membrane PVC Roofing Green Roofing Metal Cladding Roof Snow Removal
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#7

Toitures F. Mayer

Best GAF Master Elite Installer
ExperienceEstablished local roofer
BBB StatusNot Listed
SpecialtyResidential & Commercial
Service AreaTerrebonne & Surrounding Area

Toitures F. Mayer Inc. is a Terrebonne-area roofing contractor whose crews are GAF Master Elite certified, allowing the company to install GAF shingle systems with manufacturer-backed warranties. Services include new roof installation, roof replacement, flat-roof work, emergency repairs, and preventive inspection and maintenance, with extended weekday and weekend availability.

Roof Replacement Asphalt Shingles Flat Roofing Emergency Repair Roof Inspection Roof Maintenance
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#8

CRTO Toiture

Best Local Up-and-Comer
ExperienceEstablished local roofer
BBB StatusNot Listed
SpecialtyResidential & Flat Roofing
Service AreaTerrebonne, Mascouche & Laval

CRTO Toiture is a Terrebonne-based RBQ-licensed (5701-7204-01) roofer serving Terrebonne, Mascouche, Laval, and the North Shore. The company installs asphalt shingle roofs and elastomeric-membrane flat roofs, and provides professional inspections, repairs, replacement of damaged roofs, and preventive maintenance for residential and light-commercial properties.

Asphalt Shingles Flat Roofing Elastomeric Membrane Roof Repair Roof Inspection Roof Maintenance
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Flat Roofing in Terrebonne: Cold-Climate Membranes on the Rive-Nord

Your flat-roof section carries significant winter snow load

Flat roofs in Terrebonne can accumulate substantial snow loads before the onset of sustained cold that freezes the base layer. This weight stress, combined with the freeze-thaw at the surface, creates conditions that expose any weakness in membrane seams and drain surrounds. A flat-roof specialist will specify tapered insulation to promote positive drainage toward interior drains and ensure that drain openings are protected from freeze blockage that backs water against the membrane perimeter.

Your existing membrane is an aging asphalt-and-gravel or torch-on system

Many Terrebonne commercial and residential flat roofs installed in the 1990s and early 2000s carry asphalt-and-gravel or two-ply torch-on systems that are reaching the end of their reliable service life. A professional assessment should determine whether a new membrane can be installed over the existing base sheet or whether full tear-off is required. Installing over wet or compressed insulation is a common shortcut that leads to early membrane failure; an honest assessment is worth obtaining from a flat-roof specialist before committing to a scope.

You need documentation for RBQ compliance or building permit purposes

Flat-roof replacement in Terrebonne and across Québec requires that work be performed by an RBQ-licensed contractor, and many commercial and strata projects also require a building permit from the Ville de Terrebonne. The permit documentation must identify the licensed contractor and describe the proposed system. Manufacturer warranty registration following installation provides an additional document trail that is useful both for insurance underwriting and for future property transactions.

Frequently Asked Questions

How many flat & low-slope roofing contractors are in Terrebonne?

Our directory lists 8 independently verified flat & low-slope roofing contractors serving Terrebonne, Quebec, ranked by experience, certifications and reputation. Clinique de la toiture FCA is ranked #1. There are no paid placements.

How do I choose a flat & low-slope roofer in Terrebonne?

Confirm licensing and insurance for Quebec, ask for flat & low-slope project references in Terrebonne, get multiple written quotes, and check each contractor's BBB standing. Every company listed here has been independently researched.

What flat-roof membrane systems are most common on Terrebonne properties?

Elastomeric modified bitumen membrane — applied by torch-on or cold-adhesive method — is the dominant system on residential flat-roof sections and smaller commercial roofs across the Rive-Nord. It is well-proven in Québec's freeze-thaw conditions and is installed by many local RBQ-licensed roofers. TPO single-ply membrane is increasingly used on larger commercial buildings, particularly where a highly reflective surface is desired to reduce summer cooling loads. Both systems are appropriate for the Terrebonne climate when correctly specified and installed.

How do I verify that a Terrebonne flat-roofer is properly licensed?

All roofing contractors operating in Québec must hold a valid RBQ license. You can verify a contractor's license, its category scope, and whether it is in good standing through the RBQ's publicly accessible online registry at rbq.gouv.qc.ca. Ask for the license number before signing any agreement and look it up independently. An unlicensed contractor cannot legally perform the work and leaves you with no regulatory recourse in the event of a problem.

What causes flat roofs in Terrebonne to fail prematurely?

The most common causes of premature flat-roof failure in the Terrebonne climate are inadequate membrane overlap at seams, incorrect base-sheet fastening that allows wind uplift, blocked or undersized drains that allow ponding beyond what the membrane is designed for, and the installation of a new membrane over wet insulation. Each of these failures manifests as a leak within one to three winters of installation. A qualified flat-roof specialist inspects the existing condition, verifies drain capacity, and documents installation details that demonstrate compliance with the manufacturer's requirements for the warranty to be valid.

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