What are the weather requirements for paint construction?

Painting technology is an important construction step in the process of home improvement. The paint process made by a good master is not only smooth and peeling, but also lasts for a long time without frequent renovation. Of course, the weather on the day of painting the wall is also very important. Today, Bian Xiao will talk to you about six working procedures of paint technology construction and what requirements paint construction has for the weather. I hope I can help you.

First, the six working procedures of painting construction

1, primary treatment

Before the wall paint construction, the wall foundation should be treated. First, the peeling and loose parts of the wall should be leveled, and the residual dust and dirt on the surface of the grassroots should be removed.

2, putty grinding

The second step is to repair the putty, leveling the concave part of the wall with water and gypsum respectively, and polishing the convex part with sandpaper after drying to clean up the floating dust attached to it.

3, brushing interface agent

After the putty of different wall bases is polished, you can choose to brush the interface agent next. The interfacial agent can enhance the adhesion to the base and avoid the phenomenon of hollowing and shelling of the plastering layer. When you brush the interface agent, you must brush it evenly.

4, brush primer

After brushing the interface agent, you can brush the primer. Primer can be brushed once, and it must be uniform. After drying (2-4 hours), the next step can be carried out.

Step 5 brush the top coat

Generally speaking, the top coat should be brushed twice, and the interval between each time should be more than 2-4 hours (depending on the drying time of the surface). It takes 1-2 days for the paint to completely dry after the second coating. Before the paint is completely dry, pay attention to waterproof, drought-proof and sun protection to prevent problems with the paint film.

Step 6 accept

When the wall paint is accepted, pay attention to whether the wall color is consistent and whether there is color difference. Whether there are problems such as missing coating, mixed color and sagging on the wall surface. Touch the wall with your hand to see if it is smooth.

Second, what are the weather requirements for paint construction?

The construction of paint has certain requirements on temperature and humidity, so the change of weather has great influence on the construction of paint. The drying of coating and conjunctival effect depend on temperature and humidity. Different types of coatings have their own film-forming conditions. Generally, solvent-based coatings should be applied at 5-30℃. Too hot weather will make the paint dry too fast, affecting the durability of the paint, and too cold will lead to the paint can not be completely dried.

The above is the information that Bian Xiao shared for you about the six working procedures of painting technology and the weather requirements of painting construction. I hope it helps you.