100 Sq. Ft. 39.6 In. W X 30 Ft. L X 1 Mm T-Sound Proof Flooring Underlayment for
Ft. 39.6 In. DMX SoundGuard can be installed over wood or concrete subfloors. DMX SoundGuard is made up of 3-layers (Reflective foil, Foam, and Poly), which provide superior sound reduction, warmth and puncture resistance.