MP GLOBAL PRODUCTS. SCS-certified with a minimum 94% pre-consumer recycled textile content, VOC-free QuietWalk underlayment dampens ambient sound, absorbs impact sound, and helps make floating floors sound more like fastened wood, the company says. A special moisture management system protects laminate floors and inhibits the growth of mold and mildew by wicking water away from the padding. It is approved for use over radiant-heated floors. 888.379.9695.