19 5 x 47 5 Ultra Fire Resistant Duct Panning SheetProduct FeaturesFIRE RESISTANT THERMO PAN„ is a high quality No Noise sheet metal alternative for constructing return air ductsNo duct noiseSatisfied homeownersExcellent for open web trussesLightweight and easy to installWill not sustain combustionAirspace created provides R Value = 5 No shop fabrication and no cut ha Code compliant: IRC (International Residential Code) R602 8 item 4 Fireblocking is required at openings around vents pipes ducts cables and wires at ceiling and floor level with an approved material to resist the free age of flame and products combustion

Product Type: Sheet

Size: 19 1/2 x 47 1/2