Fortifiber 500 sq. ft. 36 in. Wide x 167 ft. Long x 7 mil Thick Aquabar B Tile Underlayment Roll 70-195 - The Home Depot

Unison 2-in-1 Underlayment for laminate and engineered wood flooring is designed with 3/32 in. polyethylene foam for cushioning and a 2 mm thick top film to protect floors from harmful moisture vapor. Designed for on- or above-grade applications, 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.

Roberts 70-025 Unison Underlayment

Quiet Cushion is a premium acoustical underlayment made up of sound dampening high-performance cross-linked foam with an overlapping film for extra moisture protection at the joints. The extra fine foam offers advanced moisture protection and shock absorption. Utilizing this Progressive Foam Technology (PFT), Quiet Cushion is designed for supreme sound reduction, with a Delta rating of 21, one of the highest in the industry. For use under engineered and laminate flooring.

Roberts 70-180 Quiet Cushion Premium Acoustical Underlayment Green 100 Sq ft Roll

Dekorman Premium 300 sq. ft. 43x in. W x 84x ft. L x 1.5mm T High Density Acoustical Underlayment for Vinyl Flooring DKMHD300 - The Home Depot

ROBERTS 120 sq. ft. 10 ft. x 12 ft. x 0.006 in. Roll of 6 mil Moisture Barricade Polyethylene Underlay Film 70-115 - The Home Depot

Fortifiber Aquabar B Underlayment, 36 x 167' Roll (500 SF)

Fortifiber 500 sq. ft. 36 in. Wide x 167 ft. Long x 7 mil Thick Aquabar B Tile Underlayment Roll 70-195 - The Home Depot

This premium underlayment is a multi-use flooring underlayment built for any type of flooring. Impressive sound ratings make this underlayment the ideal underlayment to be installed under any type of flooring. This is a premium underlayment for noise cancellation and antimicrobial purposes.

Nance Industries Premium Acoustic Underlayment (100 sq.ft./roll) 27074

Fortifiber 500 sq. ft. 36 in. Wide x 167 ft. Long x 7 mil Thick Aquabar B Tile Underlayment Roll 70-195 - The Home Depot

3-ft x 167-ft Water Resistant House Wrap (501-sq ft) in the House Wrap department at

Fortifiber 70-195 Tile Underlayment Roll, 500 sq. ft., Brown - Carpet Underlayments