Duct Insulation,1 x 24 x 48
36, Type IA, UL723.5, Insulation Density 6 lb, Product Type Duct Insulation, Color Silver, Maximum Temperature Rating 450 Degrees F, Minimum Temperature Rating -32 Degrees F, Standards ASTM C1136, ASTM C553 Type III, ASTM C612, ASTM C612 TypeIB, ASTM C795, ASTM E-84, HH-I-558B, HH-I-558C, MIL-I-24244C, NFPA255, NRC 1.Insulation Sheets, Overall Width 24 in, Overall Length 4 ft, Thickness 1 in, Material Fiberglass, Jacket Material Foil Scrim Kraft, Insulation Value 4.