How is the ceiling of the residential sandwich panel under the roof?
Method is to use the form of flat ceiling, the top of the pipeline blocked in the ceiling, the top can be embedded in the downlight or built-in fluorescent lamp, so that the top of the decoration after the formation of two levels, will not produce a sense of depression. Shaped ceiling with a cloud-like wave or irregular arc, generally not more than one-third of the overall top area, more or less than this ratio, it is difficult to achieve good results.
