Cellocrete sheet or wood wool cement board is manufactured by mixing cement with wood wool and compressing tightly by machinery.It is used as a substitute for wood in building walls, roofs, cellings, concrete slab formworks, etc.Cellocrete sheet is equipped with many outstanding qualification:light weight , themal insulation, sound absorbtion.sunlight and rain durable, termit safe.Besides, its surface can br adorned with cement same as brickworks and is easy for the procedures of sawing, shaving and nailnig same as wood.