Proflex XPE Duct Insulation is ideal for insulating sheet metal ventilation and air conditioning ducts. It offers outstanding thermal insulation properties. Proflex XPE Duct Insulation comes with factory bonded fire retardant reinforced foil on one side and paper backed self-adhesive surface on other side. Chemically Cross linked Polyolefin InsulationDCL ApprovedUL ListedExcellent Thermal resistanceSuperior Insulating propertiesEnvironmentally Friendly, CFC and HCFC FreeVery Low VOC levelsEasy and Quick InstallationContains zero substances contributing to Ozone Depletion Potential (ODP) and Global Warming Potential (GWP)Acrylic Self Adhesive System.