Flat Roofing in Calgary — Commercial & Multi-Family Installation & Repair
Flat and low-slope roofs require specialized materials, installation techniques, and ongoing maintenance that differ entirely from traditional pitched roofing.
Roof Hospital Exteriors has extensive experience installing, repairing, and replacing flat roofing systems for commercial buildings, multi-family properties, and condominiums across Calgary and surrounding areas.
We work with all major flat roofing membranes — delivering watertight, long-lasting results built for Alberta’s harsh climate.
Flat Roofing Systems We Install
🧾 TPO Roofing
Lightweight, energy-efficient and highly resistant to UV, punctures and chemicals.
Lifespan: 15–30 years
Best for: Commercial buildings & retrofits
⚫ EPDM Rubber Roofing
Flexible waterproof synthetic rubber that performs extremely well in Calgary’s temperature swings.
Lifespan: 20–30 years
Best for: Low-slope residential & commercial
🪨 Built-Up Roofing (BUR)
Traditional heavy-duty multi-layer waterproofing system proven over decades.
Lifespan: 20–30 years
Best for: Large commercial roofs
🔥 SBS Modified Bitumen
Reinforced asphalt membrane with excellent cold-weather flexibility and crack resistance.
Lifespan: 20–30 years
Best for: Condos & multi-family buildings
Flat Roof Services We Offer
New Flat Roof Installation
Full Roof Replacement
Leak Detection & Repair
Preventive Roof Inspections
Drain Cleaning & Maintenance
24/7 Emergency Roof Repair
Why Flat Roofs Need Special Attention in Calgary
Calgary Climate Challenges
Freeze-Thaw Cycles
Water expands and contracts stressing seams and membranes.
Heavy Snow Load
Flat roofs must support significant snow accumulation and proper drainage.
Hail Impact
Membranes can be punctured by large hailstones.
UV Degradation
Strong Alberta sun accelerates membrane aging
Our Flat Roofing Process
1
Free Roof Assessment
Inspection of drainage, structure and membrane condition.
2
System Selection & Quote
Clear explanation of materials, costs and warranties.
3
Professional Installation
Installed to manufacturer specifications for long-term performance.
4
Warranty & Follow-Up
Up to 5-year workmanship warranty + manufacturer warranties.
We Work With Your Insurance
Flat roof hail and wind damage is common in Calgary and often covered by insurance.
Roof Hospital:
- Documents damage
- Meets adjusters
- Manages claim
- Completes repairs fast
Why Choose Roof Hospital?
Certified TPO, EPDM, SBS & BUR installers
15+ years flat roofing experience
Commercial & condo specialists
Insurance claim experts
Up to 5-year workmanship warranty
Serving Calgary, Airdrie, Cochrane, Okotoks & area
Need a Flat Roof Inspection, Repair or Replacement?
Get your professional roof inspection today.
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