Toitures Saint-Laurent
Residential and commercial roofing: elastomer membrane, shingles and flat roofs. Free estimates.
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Roof replacement cost in Montreal
Price ranges to replace a roof in Montreal by material and surface area.
Updated 2026-06-01
Estimates only. Actual prices vary by provider, complexity and materials — always confirm with the business.
Typical price ranges
| Item | Range |
|---|---|
| Asphalt shingles (per sq ft) | $5 – $9 |
| Elastomeric membrane (flat roof, per sq ft) | $9 – $16 |
| Metal roofing (per sq ft) | $12 – $22 |
| Typical plex (full project) | $8,000 – $25,000 |
What affects the price
- Material and roof slope
- Surface area and complexity
- Tear-off of old layers
- Borough permit
Roofers to consider
Frequently asked questions
Flat vs sloped roof: how does price differ?
Flat membrane roofs often cost more per square foot than shingles, but area and access matter a lot.