Johns Manville 670378 - Duct Insulation Wrap, 4.2 R-Value, 25 ft L x 48 in W x 1-1/2 in D, Fiberglass/Foil Scrim Kraft
Johns Manville 670378 - Duct Insulation Wrap, 4.2 R-Value, 25 ft L x 48 in W x 1-1/2 in D, Fiberglass/Foil Scrim Kraft
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Duct Wrap, Overall Width 48 in, Overall Length 25 ft, Thickness 1 1/2 in, Material Fiberglass, Jacket Material Foil Scrim Kraft, Insulation Value 4.2, Insulation Density 0.75 lb, Product Type Duct Insulation, Color Silver, Maximum Temperature Rating 250 Degrees F, Minimum Temperature Rating -32 Degrees F, Standards ASTM C-1104, ASTM C-1338, ASTM C-411, ASTM C1136s, ASTM C1290, ASTM C553, ASTM C665, ASTM E-84, CAN/ULC S102-1188, NFPA 90A, UL723
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