... 20mm available Density: 550 kg/m3 Features:1.Strong and durable;2.Lightweight and easy to install;3.Will not rot, warp ... ;5.Salt water corrosion resistant;6.Impervious to salts, insects and many chemicals, including some acids;7.Doesn't mold;8.Can ... );12.Easy to clean;13.Virtually maintenance free; Application:Walls and ceilings of hotels, office buildings, hospitals, schools, industrial plants, ...