In Laval, a standard-quality roofing renovation runs $8,063 to $16,777, prices below the Canadian average (index 89). A budget version starts around $5,645 and premium work reaches $26,843.
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| Line item | Range | Share |
|---|---|---|
| Shingles | $1,308 – $2,617 | 23 % |
| Underlayment | $349 – $654 | 6 % |
| Flashing | $312 – $748 | 6 % |
| Ventilation | $249 – $561 | 5 % |
| Gutters | $623 – $1,558 | 13 % |
| Tear-Off & Disposal | $935 – $1,869 | 16 % |
| Labour | $1,869 – $3,738 | 32 % |
Included
Not included
| Line item | Range | Share |
|---|---|---|
| Shingles | $1,869 – $3,738 | 23 % |
| Underlayment | $498 – $935 | 6 % |
| Flashing | $445 – $1,068 | 6 % |
| Ventilation | $356 – $801 | 5 % |
| Gutters | $890 – $2,225 | 13 % |
| Tear-Off & Disposal | $1,335 – $2,670 | 16 % |
| Labour | $2,670 – $5,340 | 32 % |
Included
Not included
| Line item | Range | Share |
|---|---|---|
| Shingles | $2,990 – $5,981 | 23 % |
| Underlayment | $797 – $1,495 | 6 % |
| Flashing | $712 – $1,709 | 6 % |
| Ventilation | $570 – $1,282 | 5 % |
| Gutters | $1,424 – $3,560 | 13 % |
| Tear-Off & Disposal | $2,136 – $4,272 | 16 % |
| Labour | $4,272 – $8,544 | 32 % |
Included
Not included
In Laval, Quebec, a standard-quality roofing renovation typically costs between $8,063 and $16,777 in 2026 — prices are below the Canadian average, with a local cost index of 89%. Expect around 2 to 5 days of work and a 60–70% return on investment at resale. Ice-and-water shield along every eave and valley plus R-60 attic insulation will prevent 80% of the ice-damming and condensation issues typical to this climate.
Same job in Montreal: $8,426 – $17,531 at standard quality, about 4 % more expensive than Laval on our cost index.
Laval's housing is sloped-roof bungalows and split-levels, so asphalt shingles hold the market here, unlike the flat-roof plexes of central Montréal. Membranes appear on the few flat-roof condos in Chomedey and Sainte-Rose. Snow load and ice damming drive the details that matter in a quote: ventilation, membrane at the eaves and valleys, and the state of the sheathing.
Authority: Ville de Laval, "Trouver mon permis"
Guide: Renovating in Québec: licences, taxes, permits and programs (2026)
Roof replacement timing matters in Canada — most roofing contractors are busiest from May to October. Book in late winter for the best pricing and scheduling. Asphalt shingles remain the most popular choice (85% of Canadian homes) with a 20–30 year lifespan. Metal roofing costs 2–3x more upfront but lasts 50+ years and handles snow loads better. Always get a written warranty that covers both materials and workmanship.
Roof pitch (steepness) significantly affects cost — steep roofs (8/12+) require extra safety equipment and time. Multiple layers of old shingles requiring removal add $1,000–$3,000. Skylight additions cost $1,500–$4,000 each. Ice and water shield membrane in valleys and edges adds $500–$1,500 but is essential in Canadian climates.
Pro tip
Ask your contractor about upgrading to impact-resistant (Class 4) shingles — some home insurance companies offer 10–28% premium discounts for hail-resistant roofing, which can offset the higher material cost over time.
Laval's housing is mostly post-1960 bungalows, split-levels and early condos now on their first or second full renovation. RBQ-licensed contractors based in Laval and on the North Shore serve it, and on our cost index Laval sits a notch below Montréal.
Laval shares Montréal's cold winters and humid summers. Its flat terrain along the Rivière des Prairies makes some sectors prone to spring flooding and sewer backup, which is why the city requires a backwater valve and why a basement project starts with drainage.
In 2026, a roofing renovation in Laval costs between $5,645 (budget) and $26,843 (premium). The average standard cost ranges from $8,063 to $16,777.
The most common surprises: code-compliance electrical upgrades ($1,500–$4,000), plumbing issues uncovered when walls are opened, asbestos or lead-paint abatement in older homes, and permit fees not included in the initial quote. Plan for a 15–20% contingency on top of the base budget in Laval.
A standard roofing renovation typically takes 2 to 5 days. Premium projects or surprises (structural issues, delivery delays) can extend it. Always get a written schedule from your contractor before signing.
The three most common options in Canada: a variable-rate HELOC against your home equity, a fixed-rate renovation loan from your bank (5–10 year terms), or a mortgage refinance if you have substantial equity. For projects under $15,000, a 0% balance-transfer credit card can bridge 12–18 months. Avoid contractor-offered financing — those rates often exceed 12%.
For Laval, the ideal window is late spring through early fall (May to September) for any work touching the building envelope. Book your contractor 4 to 8 weeks ahead during peak season — last-minute scheduling typically pushes the start date much further than an off-season project would suggest.
Complete guide
Read our complete national guide to roofing costs