What is the construction technology of exterior wall imitation stone paint?

1. Process flow: base treatment, primer, single acceptance, finished product protection, polishing, intermediate paint spraying and finishing.

2. Construction technical measures:

Basic treatment: the plastered wall surface should be smooth and firm, and the missing edges and corners should be repaired in advance. The repair adopts brush cement slurry and 20% glue solution, and then 1: 3 cement mortar for local leveling, which meets the requirements of intermediate plastering. Plastering wall should be dry, the moisture content at the grass-roots level is 8%, and then blow be bored with child. After putty is scraped, there should be no cracks, holes, depressions and other defects in the finish.

Primer painting: In order to improve the adhesion of real stone paint, the primer should be painted on the foundation surface once. The sealing primer can be rolled or sprayed with a spray gun. The coating must be uniform and brush leakage is not allowed.

Spray stone-like paint: mix the real stone paint evenly before spraying, put it in a special spray gun, and then spray it. The spraying pressure should be controlled at 0.4-0.8Mpa, and the spraying sequence should be from top to bottom and from left to right, and spraying should not be missed. When spraying real stone paint, a thin layer should be sprayed quickly, and then slowly, steadily and evenly. The effect of spraying depends on the size of the nozzle and the distance between the nozzle and the wall. When the diameter of the nozzle is Ф 6-Ф 9, and the distance between the nozzle and the wall is properly adjusted, the ejected light spot is larger and the convexity and concavity are stronger. When the diameter of the nozzle is Ф 3-Ф 6, and the distance between the nozzle and the wall is appropriately reduced, the sprayed spots are small and the decorative surface is relatively flat. However, the distance between the nozzle and the wall should be controlled at about 0.4-0.8M, which should not be too large or too small;

Polishing: the real stone paint should be cured after spraying. After 24 hours, when the real stone paint is completely dried, it should be properly polished and the decorative dust should be cleaned. Topcoat: After the topcoat is cleaned, the topcoat should be sprayed or sprayed. If spraying is used, the spraying pressure should be controlled at. It is required that the top coat be painted (sprayed) evenly and with the same thickness, and brush leakage is not allowed.