Johns Manville

Linacoustic RC® 1 in. Duct Liner Fiberglass R4.2

Part #J90005512  |  Manufacturer Part #3258449


1 in
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Product Details

  • Linacoustic RC™ is a flexible duct liner insulation made from strong, glass fibers bonded with a thermosetting resin
  • Combines state-of-the-art facing technology with an advanced coating system to provide the durability of a mat facing with the reliability of a coating
  • Smooth, strong mat/coating composite delivers a high degree of water resistance and an EPA-registered protective agent to protect the coating from potential growth of fungus and bacteria
  • Flame-attenuated glass fibers give the Linacoustic RC® core notably better acoustical and thermal properties than other leading liners



ASTM Specifications: ASTM E-84

Collection: Linacoustic RC®

Length: 100 ft

Material: Fiberglass

Product Type: Liner

R value: R4.2

Thickness: 1 in

Width: 47-1/2 in