DS EN 14308:2009 Thermal Insulation Products For Building Equipment And Industrial Installations - Factory Made Rigid Polyurethane Foam (Pur) And Polyisocyanurate Foam (Pir) Products - Specification Defines the requirements for factory made rigid polyurethane foam (PUR) and polyisocyanurate foam (PIR) products, with a closed cell content not less than 90%, with or without facings, which are used