fireproof board,glass magnesium board,magnesium fireproof board,fireproof,water proof,asbestos free, ... board,glass magnesium board Features: 1) 100% asbestos free 2) Non-combustible: PSB,GB8624, CLASS A 3) Moisture resistant4) Excellent impact resistant 5 ... : 1,220mm3) Max. length: 3,000mm4) Edges: square / bevelled / tappered glass magnesium board