When repairs and coatings can no longer keep your building dry, a full membrane replacement restores decades of protection. CMP Roofing installs TPO, PVC, EPDM and SBS systems engineered for Calgary's freeze-thaw cycles, hail and wind — with tear-off, re-decking and warranty-backed installation that works around your operations.
Recurring leaks, widespread ponding, blistering or splitting membrane, soaked insulation and rising energy bills are all signs a commercial flat roof has reached the end of its service life. Patching an aging roof often costs more over time than a planned replacement.
The right membrane depends on your building, budget and how the roof is used. Below are the four systems we install most across Calgary — we'll help you choose the best fit during a free assessment.
Single-ply and multi-ply membranes selected for Alberta's climate and your building's needs.
Thermoplastic Polyolefin (TPO)
A cost-effective single-ply system with hot-air welded seams and a highly reflective white surface that lowers cooling costs in summer. TPO resists UV, punctures and chemical exposure, making it one of the most popular choices for Calgary commercial and industrial flat roofs.
Polyvinyl Chloride (PVC)
A premium single-ply membrane with outstanding resistance to grease, chemicals and fire. PVC's hot-air welded seams create an exceptionally durable, watertight roof — the go-to choice for restaurants, manufacturing and any building venting oils or chemicals.
EPDM Rubber Membrane
A proven synthetic rubber membrane that stays flexible in extreme cold — ideal for Calgary's deep winters and freeze-thaw cycles. EPDM has a decades-long track record, is economical to install and is straightforward to repair, delivering dependable long-term protection.
SBS Modified Bitumen (2-Ply Torch-On)
A multi-ply, torch-applied system that builds in redundancy with a tough granular cap sheet. SBS offers excellent puncture and impact resistance for high-traffic roofs and stands up well to Calgary's hail and thermal movement — a robust choice for replacing aging built-up (BUR) roofs.
A quick side-by-side to help you narrow the options for your Calgary commercial roof.
| System | Best For | Typical Lifespan | Key Strength |
|---|---|---|---|
| TPO | Energy efficiency & value | 20–30 years | Reflective surface, welded seams |
| PVC | Restaurants & chemical exposure | 20–30 years | Chemical & fire resistance |
| EPDM | Cold-weather durability | 25–30+ years | Flexibility in extreme cold |
| SBS | High-traffic & impact resistance | 20–30 years | Multi-ply redundancy |
Tell us about your roof and we'll follow up with a no-obligation estimate. Prefer to talk? Call +1-888-328-7030.