Color steel sandwich board is a new style multifunctional building board. It features in heat preservation, heat insulation, sound insulation, light weight, waterproof, anti-earthquake, decoration, etc. It is widely used for non-bearing wall surface, roof surface, ceiling of domestic and industrial buildings, main wall board of single storey combination house. It is mainly used as blocking board and ceiling in electron, semiconductor, medicine, biology and food industrial clean workshops.
2. Specifications and characters:
 2.1 This color steel sandwich board adopts updated tongue and groove joint, so it features in easy installation, time-saving, material-saving, good flatness, strong intensity, etc. So it is especially suitable for ceiling system.

2.2 Thickness (mm): 50,75,100.
　　 2.3 Length (mm): it is decided according to customer’s demand.
　　 2.4  Width (mm):1150
　　 2.5 Core material