magnesium fireproof board: 1.Sound proofing 2.Heat insulating 3.Impact resistant 4.Non-burning,moisture MgO board (magnesium oxide board) is an industry ... decorative veneer board, partition, floor, ceiling, insulation panel, sandwich board, fireproof door, furniture board, duct/ pipe board, ect, is a preferential ... and sub-floor8) Fire door core and duct/ pipe substrates. magnesium fireproof board