Stone paint is a new type of exterior wall decoration coating. It can not only be used for energy-saving renovation of new buildings, but also can be used for renovation and decoration of old walls. How should stone paints be applied on old walls? The old wall is generally cement surface, paint surface, water brush stone surface, ceramic tile wall surface, etc. The main difficulty and key point in construction is the base surface treatment. The quality of the base layer treatment directly affects the construction effect of the stone paint. And decorative effects. In the actual construction, different treatment plans and construction procedures should be designed according to different substrates according to different constructions. The main steps are as follows:

A: Clean the wall:

If the wall has loose parts and drums. Be sure to completely remove the old paint layer that is powdered and not water resistant. Wash the old coating with high pressure water. The wall with oil and ash layer should be cleaned with lye and the putty layer should be cleaned.

B: Cleaning the wall:

The cleaned wall should be cleaned with clean water to ensure that the wall is free of oil, dust and impurities, etc...

C: Wall repair:

Repair the damaged parts of the area, and repair the wall surface (you can use the external wall putty for stone paint) to carry out the necessary maintenance.

D: Stone paint coating construction:

In order to enhance the adhesion of the coating film, the construction of the old wall surface must be brushed with the interface king or the alkali-resistant primer. After the bottom layer is completely dry, the stone paint is applied for the construction work.