What is the decorative construction method for plastered ceiling?

The direct plastered ceiling decoration structure refers to the form of ceiling structure that directly plasters the bottom surface of the floor or the bottom surface of the roof. The method is to first fill the joints under the concrete floor slabs and beams. To ensure that the plaster layer is firmly combined with the floor slabs and beams, first apply dilute cement slurry, then use a 1:1:6 mixed mortar (cement:lime plaster: (sand) base, then plaster the surface, and finally do the finishing decoration. The finishing method can be brushing or spraying various interior wall paints or slurries, or wallpaper or wall coverings. The directly plastered ceiling decoration structure consists of the bottom layer, the middle layer and the surface layer.