The surface layer is 100% high density cork, with 5 coats of UV-cured acrylic finish which contains no volatile organic compounds.
The middle layer with pre-cut tongue and groove featuring CLIC technology is high quality (HDF) High Density fiberboard. The base layer of attached cork underlayment provides significant acoustic insulation.
The natrual cork holding good sound insultaion feature and comfortalbe for walk on. And becuase if was made of the raw skin of cork tree, it was a very enviromental products.