Welcome to Nusite. We are Toronto's waterproofing experts. With Over 50 years of combined experience in Foundation Repair, Waterproofing, Basement Lowering and Structural Concrete work in the Toronto area, we have the knowledge, skills and experience to handle every aspect of your project. As a locally owned, family run business, we offer a wide array of experience and knowledge including interior and exterior waterproofing, foundation repairs, basement lowering and mold remediation.