Phone: (905) 774-3598… Address: 1333 Hwy 3 E, Dunnville, Haldimand, ON N1A 2W7… Established in 1976, Watertite Roofing Specialists in Flat Roofing has always been a forward-thinking and innovative roofing company, taking a building sciences approach to each project. Their evolution with the industry began with coal tar pitch and carried on through asphalt built-up roofing (BUR) assemblies. In today’s market the roofing products of choice are single-ply PVC roofing.   Watertite Roofing is a proud installer of PVC roofing systems, providing some of the longest life spans and best warranties in the industry. We specialize in flat roofing (commercial roofing), with our certified installers and quality workmanship. From installation and repair to retrofit and replacement, we provide our services across all of Southern Ontario.