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| Rank | Company | Specialty | Experience | BBB | Website |
|---|---|---|---|---|---|
| 1 | Toitures Cossette | Residential & Commercial | Not independently verified | Not independently verified | Visit |
| 2 | Toitures Boulet | Residential & Commercial | Not independently verified | Not independently verified | Visit |
| 3 | Toitures D.S. | Residential & Commercial | Not independently verified | Not independently verified | Visit |
| 4 | AFC Roofing | Roofing & Exterior | Not independently verified | Not independently verified | Visit |
| 5 | Les Toitures Charette Roofing | Residential & Commercial | Not independently verified | Not independently verified | Visit |
| 6 | Toitures Chevalier | Two-Generation Roofing Family | Not independently verified | Not independently verified | Visit |
| 7 | Toiture Expert Outaouais | Flat-Roof & Shingle Specialist | Not independently verified | Not independently verified | Visit |
It states it has completed more than 10,000 projects and offers 24/7 emergency roofing service.
Contact source · Contact checked 2026-09-05
Work spans asphalt shingles, metal, elastomer-membrane flat roofs, attic insulation and roof snow removal.
Contact source · Contact checked 2026-09-05
Operating on Rue de Bécancour in Gatineau, Toitures D.S. Roofing Inc. The company installs asphalt shingles, metal and flat roofs (TPO and elastomer membranes), and also handles roof inspections, emergency repairs, aluminum eavestrough and snow removal.
Contact source · Contact checked 2026-09-05
Services include roof inspections and maintenance, asphalt shingle, metal and flat-roof replacement, 24/7 leak repair, plus siding and gutter installation across a roughly 90 km service radius.
Les Toitures Charette Roofing Inc. The company covers residential roofing installation, repair and maintenance, commercial and industrial flat-roof systems, metal roofing, and roof snow removal.
Contact source · Contact checked 2026-09-05
Toitures Chevalier is a family enterprise that has specialized for two generations in asphalt-shingle and elastomeric-membrane roofing across Gatineau and Ottawa. The team works on residential and commercial projects, including major renovations, emergency repairs and flat-roof installations, and provides its RBQ licence on request.
Toiture Expert Outaouais is a Gatineau-area roofing and siding contractor serving Gatineau, Ottawa, Aylmer, Hull and surrounding communities. The company installs Soprema flat-roof systems and IKO shingles, along with architectural shingles, standing-seam and metal-tile roofing, plus exterior cladding, inspections and repairs.
Contact source · Contact checked 2026-09-05
Flat roofs in Gatineau must be designed and maintained with winter load in mind. A specialist will audit existing drain locations, recommend heat-tape installations at interior drains susceptible to freeze-up, and specify membranes with welded seams rather than adhesive laps that can open under thermal movement — all decisions that a non-specialist crew may overlook during a standard reroof.
Unlike residential steep-slope work, flat-roof membrane application on commercial and multi-unit residential buildings in Quebec falls under RBQ sub-categories that require demonstrated technical competency. Engaging an unlicensed crew creates warranty gaps and can complicate insurance claims. Always confirm that the contractor holds the appropriate RBQ category for the membrane system being installed.
Quebec's energy codes encourage high-R insulation additions when a flat roof is replaced, and spray polyurethane foam applied beneath or above the membrane can eliminate thermal bridging at structural joists. This work requires a contractor experienced with both the waterproofing membrane and the insulation system, as improper sequencing can trap moisture at the deck level.
This directory includes 7 flat & low-slope roofing contractors listed for Gatineau, Quebec. List position is not a verified quality score; confirm current service availability directly.
Confirm licensing and insurance for Quebec, ask for flat & low-slope project references in Gatineau, and compare written quotes. Check dated sources for individual claims.
Two-ply SBS-modified bitumen torch-applied systems are the dominant choice for Gatineau flat roofs, partly because they are well established in Quebec's contractor base and partly because the fused seams perform well under freeze-thaw cycling. TPO and EPDM single-ply systems are increasingly used on commercial buildings where longer warranties are desired, but they require careful attention to drain flashings and penetration details in climates with severe thermal swings.
Yes. The Ville de Gatineau requires a building permit for the replacement of roofing systems on most buildings, including flat-roof reroof projects on commercial and multi-residential structures. Permit requirements also trigger compliance with the Quebec Construction Code's insulation minimums. Your contractor should handle the permit application, but confirm this is included in the contract scope and not treated as an owner responsibility.
Membrane manufacturer warranties typically cover material defects but exclude damage caused by inadequate drainage or improper installation. A qualified Gatineau flat-roof contractor will provide a separate workmanship warranty that covers seam performance and flashing integrity — the failure points most likely to emerge during freeze-thaw events. Ask specifically what the workmanship warranty covers regarding ponding water and ice-dam damage before signing.