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Question:

Gypsum board ceiling, the first brush fire paint or paint the first latex paint?

Public equipment, we are the first brush latex paint, and then brush fire paint, the results cracked, there has been a large drop of the situation. Gypsum board and MDF are the emergence of this situation, seeking God guidance

Answer:

Gypsum board above do not need to brush fire paint, if you must brush, then brush fire latex paint, a direct solution to the problem.
Paste gypsum board is B1 grade (flame retardant) material, do not need to brush fire retardant paint can be directly brush latex paint; MDF can be the first brush after the paint to be dry and then brush latex paint. Cracking is due to the fact that the shrinkage of the two coatings and materials is not the same.
Gypsum board ceiling if it is necessary to brush fire retardant paint, it should be in the gypsum board and MDF on the back of the first brush fire retardant coating, and then install the front porcelain brush latex paint, so that will not affect the positive latex paint cracking The.
Gypsum board ceiling, gypsum board is not necessary to brush anti-paint, if the project requires increased fire intensity, you can use the fire gypsum board can be a ceiling, brush fire paint should not contact with the gypsum board that side.
As far as I know, the main type of fire-resistant paint is designed for gypsum board, wood and other fire needs to design fire protection coating, "Wu Li" finishes fire-resistant coating in the leading technology, strong adhesion, high coverage, Fire retardant paint is generally matte, if the decoration has a high demand, you can do latex paint on the surface, Wu Li decorative type of fire-retardant paint there is a feature can be painted in the surface of oily wood paint, compatibility is very good.

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