K-FLEX DUCT LINER GRAY is a closed cell, flexible elastomeric foam for thermal and acoustic insulation, which is supplied either as skin-two-sides or with a factory-applied scrim-reinforced acrylic adhesive on one side.

The product is used to reduce sound transmission and/or retard heat gain and loss, and it prevents condensation when used as an internal liner on square, rectangular, round or oval ductwork or equipment. Its structure mechanically responds to sound energy by converting it into cell movement and heat, providing excellent noise reduction performance.

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