Modified bitumen, torch-on membrane, and TPO installations for residential and light commercial applications. Properly installed, properly drained.
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Flat and low-slope roofing systems are among the most common in the Lower Mainland — and among the most commonly installed incorrectly. Proper drainage, correct membrane selection, and watertight terminations are critical to a flat roof that performs.
Stonnex installs torch-on modified bitumen, TPO, and EPDM membrane systems for residential additions, garages, suites, strata buildings, and light commercial applications.
The most widely used system in BC residential construction. SBS and APP modified bitumen membranes are applied with a propane torch for a seamless, durable bond. 15–25 year lifespan.
Thermoplastic polyolefin membrane is heat-welded at seams for a continuous waterproof surface. Excellent for larger flat roofs and commercial applications. Energy-efficient white option available.
Durable synthetic rubber membrane suited to extreme temperature cycling. Common on residential additions and garages. Bonded or mechanically fastened installation options.
Flat and low-slope roofing applications across the Lower Mainland include:
We assess drainage before every installation and re-slope or add drains where necessary to prevent ponding water — the leading cause of premature flat roof failure.
Free inspection, no obligation. We respond within one business day.
Book Free Inspection 604-935-6976"Professional from the first call to final cleanup. The crew was respectful of our property and the workmanship is outstanding. Highly recommend Stonnex."
"They gave us an honest assessment and a fair price. The roof looks beautiful and we felt informed at every step. This is how every contractor should operate."
"Quick response, quality work, and they cleaned up completely after. We had quotes from three companies and Stonnex was the clear choice."
Full replacements for homes across the Lower Mainland.
Learn moreEmergency and general repairs, same-week response.
Learn morePre-sale, insurance, and maintenance reports.
Learn moreFull tear-off and replacement with written warranty.
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