Cushion Ultra Silver Underlay, a self-leveling acoustic underlay with a built-in DPM, is constructed of 3mm thick high-density foam with a vapour barrier to fend against moisture. The underlay can help to alleviate small subfloor irregularities and is suitable for DIY use with all click-together wood and laminate flooring. It can also reduce impact sound by up to 19dB.
 
Each roll covers 15 square meters