Impactalay Plus & Impactalay Plus 15mm thick acoustic matting for timber floors offers a cost effective and easily installed solution to combat airborne and impact noise. Suitable for timber floors. Suitable for all final floor finishes. Material: Impactalay Plus Acoustic Matting is made from two acoustic layers of barrier mat with a resilient chip foam core. The acoustic foam does not harden or crumble, unlike the Class O foam normally found in these applications. Versatile: suitable for all final finishes on timber floors. See data sheet for further info