Fiber cement board is made from high-quality fiber and mineral substances with advanced technology and process ,which hace undergone high temperature and high pressure maintenance,and special treatment. Specifications -2440*1220*4-20mm -2400*1200*4-20mm -3050*1220*5-18mm -Other optional specifications available upon request -Optional surface sanding and finishing treatment Main characteristics -Excellent fire-proof performance -Excellent moisture-proof performance -Good durability and long service life -High strength -Stable dimensions -Good heat and sound insulation