PROTECH Advanced Thermal/Acoustics Plus Underlayment is a Premium Grade, cross-linked polypropylene foam with the self-sealing lip and tape system. PROTECH Advanced Thermal/Acoustics Plus Underlayment is the ideal choice for all laminate, bamboo, Luxury vinyl Tile & Plank, SPC or EVP, WPC, engineered and solid hardwood floating floor installation for which underlay is recommended, and can be used in both residential and commercial applications.