Use the shock-absorbing AbaTec Luxury Vinyl Floor Tile Underlayment to prevent planks from sliding, reduce noise from walking and smooth out minor subfloor imperfections. This odorless, non-toxic flooring structure is compatible with radiant heated flooring systems and features a built-in moisture barrier. To install, simply unfold, lay flat and cut. Made of XPE cork using recycled fibers, this underlayment has a Delta IIC rating of 26 and an IIC sound rating of 72, making it ideal for reducing walking sound in the room where it's installed, as well as impacting sound in the space below.