DS EN 14315-1:2013 Thermal Insulating Products For Buildings - In-Situ Formed Sprayed Rigid Polyurethane (Pur) And Polyisocyanurate (Pir) Foam Products - Part 1: Specification For The Rigid Foam Spray System Before Installation Defines requirements for in-situ formed sprayed rigid polyurethane (PUR) and rigid polyisocyanurate (PIR) foam products when applied to walls, ceilings, roofs, suspended ceilings and floors.