... specification: 1220x2440mm, 1200x2400mm Cement board for drywall steel partition system:Cement board is totally asbestos free.Standard ... . Excellent damp-proof performance3. Durability and long service life4. High strength5. Stable ... and track, furring channel, T grid, ceiling grid, metal ceiling, magnesium oxide board, gypsum board, fiber cement board, steel structure, C channel, U channel. Cement board ...