WPC Wall Panel 200 x 16mm High Density Interior Cladding Interior walls take more daily abuse than facades: trolleys in corridors, chairs against the wall, cleaning equipment in bathrooms. This 200 x 16mm WPC wall panel is extruded at high density, so it is anti impact and wearproof while still looking and feeling like natural wood. It resists moisture and termites, arrives finished with no painting and no glue required, and the tongue and groove joint keeps the installation