Our fiber cement board is similar to SCG SmartBOARD and is produced using Autoclave Technology and Firm & Flex Technology, giving it strength, durability, and elasticity. It comes in thicknesses between 3.5mm-30mm and dimensions of 1220x2440mm or 1200x2400mm. The board is fire-retardant, thermally insulated, mildew proof, moisture proof, sound insulated, and has low moisture and water absorption. It is 100% asbestos free. For more information, contact Beijing Hocreboard Building Materials Co., Ltd.