... ) Excellent impact resistance Fiber cement board is a composite material made of sand,cement and cellulose fibers. Fiber cement board is manufactured in a sheet ... tile underlay on decks and in bathrooms.Product descriptionRaw Materials: Cement, Quartz Sand, FiberBasic Color: Gray,red,invory,off-white,pure ... 20 1220mmx2440mmx9mm 600pcs 20600 20 1220mmx2440mmx12mm 450pcs 20600 20 Fiber Cement Board