Fibrotech sound-absorbing acoustic panels can be used for both walls and ceilings to match your home's style. They feature knot-free, real wood veneers in a Grey Oak colour. These sound-absorbing wall panels are certified with an NRC (Noise Reduction Coefficient) value of 0.55, meaning 55% of the sound energy that contacts the panels is absorbed. They are also FSC certified and made from black polyester, which is made from recycled plastic. The panels come in a size of 2.44m x 605mm x 22mm.