The main surface treatment of the ceiling is: laminating, rolling coating, spraying three kinds, including Laminating board is the best.
The market has a lot of surface treatment of the ceiling is also called covering film, but is a domestic film, the shape of the plate is called plastic laminating board. There is also a bead plate, the surface looks and laminating board almost, but it is not a film, it is only in electrostatic spraying, in advance in spraying paint with pearlescent powder. This kind of board is easy to appear chromatic aberration, generally two or three years later will change color, paint off.
The roller coating plate is a composite metal plate painted on the front and the back of the primer and topcoat.