Industrial Waterproof Systems LTD. (IWS) is a wholly owned and operated Canadian company with offices in British Columbia, Alberta and Ontario. IWS has been manufacturing and installing top quality Hot Applied Rubberized Asphalt for over 44 years, with hundreds of millions of square feet of our membrane installed throughout Canada, and the World; our track record is unmatched! We are a full service company capable of looking after all your high-rise flat roofing, green roofing systems and commercial/industrial waterproofing demands. We provide clients with roof assessments, investigations and project management while approaching all projects on an individual basis, with custom designed systems and installed to meet waterproofing needs. We take tremendous pride in our products and workmanship, which is why we back them both up with a standard 10 year warranty to protect our customer. Our high level of service, extensive experience, and time proven systems are guaranteed to impress!