Fireproof foam board, MGO foam board fireproof door core spec. Thickness: 25mm, 36mm, 48mm, 50mm Size: 915mm*2150mm Fireproof Foam BoardMGO foam boardSpecifications ... ) Light weight, fire retardant and self-extinguishing, thermal insulation, soundproof and sound absorption, mould proofing, damp proof ... non-toxic and chemical resistant 3) Tough, rigid with high impact strength; long performance life4) ...