Flat Roofing specializes in commercial, industrial, and residential roofing, repairs and maintenance contracts in Calgary, Okotoks, Chestermere and throughout Alberta. Contact us to book an appointment today. Flat Roofing Ltd has been servicing commercial and residential flat roofs with hard-work and professionalism since 2010. Specializing in two-ply torch-on membrane roofing, we guarantee our roofs to be water-tight and long-lasting. We are a full-service company that offers tar and gravel roofing, new roofing, reroofing, repairs, and maintenance programs. Contact us today to see how Flat Roofing Ltd can help protect your roof. more... See more text