Light steel keel how to do secondary ceiling
Secondary ceiling local use of wood core board structure, hanging hanging wooden core board structure can do two ceiling. Any light steel keel ceiling of the multi-level ceiling and complex modeling, multi-use wood core board and light steel keel convergence.
From top to bottom to do, the highest point to do a good job, and then do the following level, and the wood is interspersed with the construction is good, if not let it only play two rows of hanging bars
