Low-Slope & Flat
Self-Adhered Modified Bitumen
Top brand: Polyglass
Installed cost
$7.08–$12.98
CAD per sq ft
Lifespan
20–25 yrs
manufacturer typical
Region
Lower Mainland
+18% CAD adjustment
Overview
Modern peel-and-stick evolution of built-up roofing. No torches, no hot kettles — safer for occupied buildings and condo strata work.
Best for
Occupied condos and torch-restricted strata projects.
Live cost estimate
Estimate your Self-Adhered Modified Bitumen roof
Lower Mainland installed pricing in CAD. Drag the slider to match your roof area.
500 sq ft8,000 sq ft
Low
$14,160
Typical
$20,060
High
$25,960
Range: $7.08 – $12.98 per sq ft installed. Includes tear-off, underlayment, flashing, and labour. Excludes permits, structural work and tax.