CalmMat Acoustic Rubber Underlay is a fully recycled rubber designed for use with hard floorings, such as Engineered timber, Laminate, stone flooring, designed to absorb footfall noise and increase living standards within the construction, whether in residential or commercial applications. The material also has a Zero OPD (Ozone Depleting Potential) and Zero GWP (Global Warming Potential). The specially selected Rubber particles are designed to give excellent resilience yet upmost compressive strength.