Johns Manville Linacoustic RC Fiberglass Duct Liner, 1 x 48 x 100

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Upgrade your HVAC system with Johns Manville Linacoustic RC, a premium 1-inch fiberglass duct liner designed for superior sound control and thermal performance. This durable, reinf orced product is trusted by HVAC professionals for lining sheet metal ductwork in commercial and industrial applications. Duct Liner, 100 ft Height, 48 inch Width, 1 inch Thick, Fiber Glass, Standards: ASTM C1071, UL 723, ASTM E84, NFPA 255, ASTM G22, ASTM C411, Seal and Insulate With EnergyStar, NAIMA, GREENGUARD®, 250 Deg F Operating Temp., 0.73 Sq Mt Deg C/W R Value, Installed R-Value 4.20 Show more