Understanding Your Roofing Estimate
When searching for the "roof replacement cost Montreal", you might find vastly different estimates. This is because no two roofs are identical. A modern roof is a complex structural system that involves flashing, ventilation, insulation, and protective moisture underlayments designed to combat harsh Canadian winters.
1. Pitched Roofs: Asphalt Shingles pricing
Premium architectural asphalt shingles remain the most popular choice for single-family homes and cottages throughout the Greater Montreal Area.
- Average Cost: Expect to pay anywhere between $4.50 and $8.00 per square foot.
- Cost Factors: Steep inclines, numerous dormers or skylights, complex valleys, or rotted wood decking requiring replacement.
- Lifespan: A solid investment designed to perform for 25 to 35 years.
2. Flat Roofs: Elastomeric Membrane pricing
Standard for Montreal's plexes and commercial spaces, the two-ply Soprema elastomeric membrane is the pinnacle of flat roof waterproofing.
- Average Cost: Ranging from $13 to $23 per square foot.
- Cost Factors: Crane service requirements in tight downtown areas, the addition of new drain slopes, removing waterlogged insulation, or high-rise logistics.
- Lifespan: Outstanding longevity, often surpassing 30 years with occasional preventive maintenance.
Beware of "Too Good to Be True" Quotes
A roofing contractor offering a price drastically below market average is likely cutting corners. They may be employing uninsured laborers, reusing rusted flashing, or installing sub-standard underlayment. The resulting water damage inside your home will cost exponentially more than the initial savings. Always verify that your contractor holds an active license from the Régie du bâtiment du Québec (RBQ).