Diall Sous-couche fibre bois 5mm 7m² is a high-quality underlay for laminate and parquet flooring. The material is made from natural wood fibres, so it is environmentally friendly. The underlay is easy to install, and it provides excellent sound and thermal insulation. It also helps to level out uneven floors and provides a moisture barrier. The underlay is suitable for use in both residential and commercial applications.