The Canadian Construction Materials Centre (CCMC) has been involved in the Canadian spray-applied polyurethane foam thermal insulation (spray foam) industry for more than 20 years, and has actively participated in the development of code and standards requirements for spray foams, to support the industry and to participate in the protection of the health and safety of Canadians. To that end, the following information is provided to inform spray foam manufacturers, authorities and users of the importance of site