Asphalt & Composition
Impact-Resistant (Class 4) Shingles
Top brand: TAMKO Heritage IR
Installed cost
$10.62–$17.70
CAD per sq ft
Lifespan
25–40 yrs
manufacturer typical
Region
Lower Mainland
+18% CAD adjustment
Overview
SBS-modified asphalt rated UL 2218 Class 4 — the highest hail-impact rating. Often qualifies for an insurance discount. Worth specifying for Fraser Valley and Chilliwack properties exposed to summer hail.
Best for
Hail-prone Fraser Valley addresses and insurance-conscious owners.
Live cost estimate
Estimate your Impact-Resistant (Class 4) Shingles roof
Lower Mainland installed pricing in CAD. Drag the slider to match your roof area.
500 sq ft8,000 sq ft
Low
$21,240
Typical
$28,320
High
$35,400
Range: $10.62 – $17.7 per sq ft installed. Includes tear-off, underlayment, flashing, and labour. Excludes permits, structural work and tax.