Rigid, fiberglass duct liner with a glass mat airstream surface, coated with an antimicrobial coating, designed to insulate plenums and duct work (Service temp: 250°F)

Johns Manville Linacoustic® R-300 is a rigid fiberglass board that is specifically designed for lining HVAC plenums and air distribution ductwork, and meets or exceeds all ASTM C 1071 Type II duct liner requirements. Linacoustic R-300’s airstream surface is coated with our proprietary Permacote® coating, which provides a durable and smooth surface that is resistant to the accumulation of dust and dirt. It also provides added product protection against microbial growth. Linacoustic R-300 provides exceptional durability and superior thermal and acoustical performance to help you create more comfortable and energy efficient indoor environments for commercial and residential building occupants.

NRC: 0.9 (R6)
R-value: 6.3 (1.5")
ASTM C1071 Type II: Complies
Greenguard: Certified

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