180 Sq.Ft. 2 Ft. X 3 Ft. X 6 Mm Wood Fiber Underlayment - Sound Barrier for Lami

Designed for a floating or nail/staple down installation of wood, laminate, vinyl, hardwood or engineered floors. Fibers are bound together by a wood resin (lignin) that is secreted in the process of milling wood and acts as a binding agent of the wood fibers; a natural glue.

eBay