EPDM (Ethylene Propylene Diene Monomer) is the most widely used single-ply roofing membrane in the world, with a proven track record spanning over 50 years. This synthetic rubber membrane is exceptionally durable, naturally flexible in cold temperatures, and resistant to ozone and UV degradation. EPDM is available in both black and white formulations and can be installed using fully-adhered, mechanically-fastened, or ballasted methods. It's a cost-effective solution for large commercial roofs where budget efficiency without sacrificing quality is the priority.
EPDM (Ethylene Propylene Diene Monomer) is a synthetic rubber roofing membrane that has been used on commercial flat roofs for over 50 years. It is naturally flexible at sub-zero temperatures, resistant to UV and ozone degradation, and available in thicknesses from 45 to 90 mils. EPDM is the most widely installed single-ply commercial roofing membrane in the world.
Both are excellent choices for Edmonton. EPDM has a longer track record, superior cold-temperature flexibility, and lower upfront cost per square foot. TPO offers energy savings from its reflective white surface and stronger factory-welded seams. For large warehouses or buildings with high cooling loads, TPO's energy efficiency is often the deciding factor. For cold climates with heavy rooftop equipment, EPDM's proven durability is the preference.
A properly installed EPDM roof lasts 25 to 50 years with minimal maintenance. EPDM is one of the longest-lasting commercial roofing membranes available. The primary maintenance requirement is periodic inspection of seams and penetration flashings every 3–5 years.
EPDM is typically the most cost-effective commercial single-ply membrane, ranging from $6–$12 per square foot installed in Edmonton. Pricing depends on membrane thickness (45, 60, or 90 mil), attachment method (fully adhered, mechanically fastened, or ballasted), and insulation requirements. EPDM's low upfront cost combined with 25–50 year lifespan gives it the lowest cost per year of service of any commercial roofing system.
Major EPDM manufacturers offer 10, 20, and 30-year material and system warranties depending on membrane thickness and installation method. Marlex Roofing installs EPDM to manufacturer specifications to ensure full warranty coverage and backs every commercial installation with our 5-year workmanship warranty.
Yes — EPDM is one of the easiest commercial membranes to repair. Punctures, seam separations, and flashing failures can be addressed with field-applied EPDM patches and seam tape without specialty equipment. This makes EPDM particularly cost-effective for buildings with rooftop foot traffic, mechanical equipment service, or other ongoing wear sources.
Marlex Roofing serves Edmonton, St. Albert, Sherwood Park, Spruce Grove, and Leduc, Alberta. Call (780) 232-4973 or email info@marlexroofing.ca for a free, no-obligation estimate. Every project is backed by a 5-year workmanship warranty.