... shrinkage, low water absorption, easy cutting, easy installation, smooth clean surface, reduce transportation costs, can be recycled, etc.2. SizeLength ... l Easy Decoration: tiles can be applied direct on the surface board of the panel & can be spiked, drilled, ... :42dB of sound insulation ratingl Heat Insulation:integration of polystyrene concrete , fly ash etc, high sound reflectionl Fire Resistance: ...