Cost of Spray Foam Insulation in Montreal, QC
Professional application of open-cell or closed-cell spray foam insulation for walls, attic, or basement
Prices are estimates for Montreal, QC as of 2026. Actual costs vary based on project specifics.
What Affects Spray Foam Insulation Cost in Montreal?
Montreal is in the Greater Montreal region of QC. Local costs are 5% below the Canadian national average, driven by local labour rates, material availability, and demand for skilled trades.
Timeline & Planning
Typical Timeline
1-3 days
Permits
Usually no permit needed for standard spray foam insulation work.
Best Time to Book
Year-round installation; government incentive windows vary by province
Compare Spray Foam Insulation Costs Across Cities
| City | Low | Average | High | vs Montreal |
|---|---|---|---|---|
| Montreal, QC | $3 | $6 | $10 | — |
| Kitchener, ON | $3 | $6 | $10 | 0% |
| Barrie, ON | $3 | $6 | $10 | 0% |
| Guelph, ON | $3 | $6 | $10 | +1% |
| Kingston, ON | $3 | $6 | $9 | -1% |
| Laval, QC | $3 | $6 | $9 | -3% |
Frequently Asked Questions
How much does spray foam insulation cost in Montreal?
In Montreal, spray foam insulation typically costs between $3 and $10 per sq ft in 2026. The average homeowner pays around $6 per sq ft.
What factors affect spray foam insulation costs in Montreal?
Key factors include: Foam type (open-cell vs closed-cell), Area and thickness needed, Application location (wall cavity, rim joist, attic), Existing insulation removal, Vapour barrier requirements, HRV/ERV ventilation needs after sealing. Montreal prices are below the Canadian average due to local labour and material costs.
Do I need a permit for spray foam insulation in Montreal?
Most standard spray foam insulation projects in Montreal do not require a permit, though exceptions may apply for major modifications.
How do I save money on spray foam insulation in Montreal?
Get at least 3 quotes from licensed contractors. Year-round installation; government incentive windows vary by province Consider bundling multiple projects. Ask about off-season discounts and whether materials can be sourced more affordably.
How do I find a good contractor in Montreal?
Check reviews on HomeStars, Google, and the Better Business Bureau. Verify licenses and insurance. Ask for references from recent local projects. Never pay more than 10-15% upfront.