Commercial Flat Roof Repair Surrey BC — Cost by Repair Type 2026

Commercial flat roof repairs in Surrey, BC require a specialist who understands TPO, EPDM, torch-on, and modified bitumen systems — along with the specific failure points unique to commercial buildings: interior drains, HVAC curb flashings, parapet caps, and high foot-traffic areas.

Commercial flat roof specialist: I-M Roofing Ltd. — 236-838-9577

Commercial Flat Roof Repair Cost Surrey BC — 2026

Repair Type Cost Range Urgency
TPO seam repair (heat weld) $400 – $1,200 ⚠️ High
EPDM membrane patch $500 – $1,500 ⚠️ High
Interior drain surround repair $500 – $1,200 per drain ❌ Critical
Parapet cap flashing (per linear ft) $25 – $60/linear ft ⚠️ Medium-High
HVAC curb flashing $600 – $1,800 per unit ⚠️ High
Commercial emergency tarp $600 – $2,000 Same day

Commercial Flat Roof Replacement — Surrey BC 2026

System Per Sq Ft 5,000 sq ft 15,000 sq ft
TPO (white, Energy Star) $4.50 – $8.00 $22,500 – $40,000 $67,500 – $120,000
EPDM rubber $3.50 – $6.50 $17,500 – $32,500 $52,500 – $97,500
Torch-on modified bitumen $4.00 – $7.50 $20,000 – $37,500 $60,000 – $112,500

Related

Commercial assessment: 236-838-9577

Maninder Singh | Master Roofer & Owner, I-M Roofing Ltd
Experience: 14 years
Credentials: Certified Roofing Inspector (CRI), BC Roofing Association Member, Red Seal Trade Certification, WorkSafeBC Compliant

Maninder has personally overseen over 1,200 roof installations across Surrey, Langley, and the Lower Mainland since 2012. He specializes in identifying why roofs fail in BC’s wet climate and builds systems that last 20+ years.