Roberts Unison 70-025 2-in-1 Underlayment, 100 sq-ft Coverage Area, 25 ft L, 48 in W, 3/32 in Thick, Polyethylene, White

Unison 2-in-1 underlayment for laminate and engineered wood flooring is designed with 3/32 in. polyethylene foam for cushioning and a 2 mil THK top film to protect floors from harmful moisture vapor. Designed for on- or above-grade applications, as well as below-grade when used with a moisture barrier. It's easy-to-install with a plastic overlap and adhesive strip to join multiple rolls. Unison's foam construction also reduces everyday surface noise.