Henry® Company recently announced the renewal of its ISO 9001:2008 certification for an additional three years for its plants located in Canada (Scarborough, Ont.; Petrolia, Ont.; Lachine, Qué.; and Mirabel, Qué.). The plants combine to manufacture an array of Henry products designed for residential and commercial construction, including solvent-based adhesives, asphalt emulsions, acrylic sealers, roofing underlayments, waterproofing systems and air barrier systems.