Built-up roofing (BUR), EPDM, or metal? SB Torch ranks top commercial roofing options for Edmonton's hail and snow. Prioritize UV resistance, snow-shedding, and insulation R-values—get pros/cons, costs ($6-20/sq ft), and why pros handle flashing for code-compliant installs. https://sbtorch.ca/edmonton-commercial-roof-replacement/