... insulation 5.Density:1,000 - 1,400kg/cbm Fireproof Fiber Cement Board HUILON fiber cement board presents the art of Germany know-how ... ,therefore,it performs well in humidity durability,force resistance ,fiber proofing.HUILON fiber cement board is suitable in indoor partition ,ceiling and ... compartments, stair space, exterior walls, ceiling boards and pillar wrapping Fireproof Fiber Cement Board