Service. Speed. Superior Roofs.
DWS Roofing & Waterproofing is Ottawa’s premier commercial roofing, flat-roof and waterproofing specialist for over 20 years.
Over 20 Years in Business
DWS Roofing has spent two decades excelling in commercial, industrial, institutional, and multi-residential roofing for buildings of all sizes. We’ve gained an unparalleled reputation as one of the Ottawa Valley’s most reputable and efficient roofing and waterproofing contractors.
Roofing Excellence
We provide a variety of roofing systems, carefully customizing each system to the client’s needs and budget. We work with all leading-edge roofing systems on the market and deliver a quality, warrantied product every time. We’re also readily available for re-roofs and repairs when you need them most.
Waterproofing: Peace of Mind
Waterproofing is the unsung hero of your investment. For all your foundation and below-grade projects, DWS will customize a system that will protect your assets from the ground-up.
“We’ve worked with DWS for years. When you know DWS, you know quality.”
– Waterdon Construction
“We’ve chosen DWS for over twenty projects, and we’ll never go back to anyone else.”
– Kent Group of Companies
