cement board slight weight (only 24kg/m2) asbestos free fire-proof, water-proof, sound-proof stability cement boards1.1 componentsFiber cement boards are made from high-strength fiber, cement and quartz sand, but asbestos free.1.2 specifications and propertiesItemsvaluelength mm2810(Max.: 3000mm)Width mm460thickness mm16density g/cm31.2~1.3colorgreyedgeSquare or beveledCompressive Strength (N/mm) ...