Bay Insulation Systems of Canada ULC is a Manufacturer and Distributor of insulation products and accessories. With over 30 years of insulation experience, and 24 facilities strategically located throughout North America, Bay is well positioned to competitively supply Metal Building Insulation products that comply with stringent Canadian Energy Codes. In addition to traditional laminated products, Bay also supplies Expi-door and related building materials to general contractors, manufacturers and building owners of Engineered Metal Building Systems.