REFLECTIVE FRK FOIL FACED Fiberglass Duct Insulation HVAC PIPE Wrap 2.2 R8 4X50 US ENERGY PRODUCTS REFLECTIVE SOFT-R FRK DUCT WRAP IS A BLANKET OF GLASS FIBER INSULATION FACTORY-LAMINATED TO FRK VAPOR RETARDER FACING. THIS PRODUCT IS DESIGNED TO MEET EXISTING PERFORMANCE STANDARDS SUCH AS NFPA 90A AND 90B AND OTHER MECHANICAL ENERGY CODES. US ENERGY PRODUCTS REFLECTIVE SOFT-R FRK DUCT WRAP IS FLEXIBLE AND EASY TO INSTALL, HELPS PREVENT DUCT CONDENSATION, AND INCREASES BUILDING OCCUPANTS THERMAL COMFORT. THIS PRODUCT UIS USED FOR EXTERNAL INSULATION OF COMMERCIAL AND RESIDENTIAL HEATIN, AIR CONDITIONING AND DUAL-TEMPERATURE DUCTS OPERATING FROM 35F TO 250F THE R-VALUE OF THE 2INCH THICK MATERIAL IS R8-10. SIZE OF ROLL: 4FT LONG X 50FT WIDE (2 3/16 INCH THICKNESS) Coverage 200 square feet, R8-10 Brand Name Trade Winds Manufacturer Trade Winds Model Number 123 Material Type Aluminum, Fiberglass Item Thickness 2.2 Inches Included Components insulation Item Dimensions L x W 4 L x 4 W Recommended Uses For Product Thermal Insulation, Moisture Protection