PROTECH 400sqft 3mm Thick 3-in-1 Advanced Thermal / Acoustics Plus Foam UNDERLAYMENT with self-Sealing Lip and Tape - Laminate, Vinyl, WPC, SPC, Bamboo, Engineered, and Solid Hardwood Floor - Amazon.com
Acoustic Underlayment for Hard Surface | Vibra-Sonic Control
QuietWalk 100 sq. ft. 3 ft. x 33.3 ft. x 3 mm Underlayment with Sound and Moisture Barrier for Laminate and Engineered Floors QW100B1LT - The Home Depot