What are the common problems of internal wall plastering?

The internal wall plastering is the initial link in the construction of home improvement clay tiles. The main purpose of the internal wall plastering is to ensure that the plaster is firmly bonded, to prevent the plaster layer from shelling and cracking, and to ensure the quality of the plaster. And interior wall plastering is prone to quality problems, so what are the common problems of interior wall plastering, and how to do wall plastering? Let's understand together!

What are the common problems of internal wall plastering

1. Insufficient adhesion, hollow, cracks

When plastering the interior wall, the adhesion between the stucco layer and the substrate is often insufficient, causing hollowing and cracking. The main reason is that the base layer is not cleaned and wet enough, and the mortar will produce uneven shrinkage stress during the strength growth and hardening process, so the phenomenon of dry shrinkage cracks is formed.

2. The plaster layer is too thick

The plaster layer often appears too thick during construction, especially if it survives once, and the plaster layer will fall apart. The thickness of the plastering layer should be controlled within a certain range, and it is usually better to keep it at about 20mm. The operation should be layered and intermittent plastering. The second pass should be performed after the first pass of ash solidification. It must not be completed at once.

3. The side seams of door and window frames are not stuffed with dust or the dust is not true

During wall plastering construction, hollowing and cracks are often prone to occur on both sides of the window frame, so in order to avoid this situation, the door and window joints should be handled by a dedicated person.

How to do wall plastering

1. Grassroots cleanup

Before plastering the wall, you need to clean the base layer of the wall to keep it free of pollutants such as floating dust and particulate debris. If there are missing corners on the wall, these areas must be repaired.

2. Wet walls

After that, the wall should be kept moist. The specific method is to water the wall one day before the wall plastering. This step is mainly to avoid the excessive absorption of the moisture of the cement mortar by the wall base, which causes the problem of shrinkage and hollowing.

3. Hanging net and flicking

If the wall surface is mixed with cement and concrete, wire mesh treatment should be carried out to prevent the wall from cracking. And the grid spacing is preferably 10 ~ 20mm, diameter ≮1.5mm, the overlapping position of the grid and the base layer of each material should not be less than 100mm.

4. Find rules, paste gray cake

The plastering thickness of the wall is determined according to the flatness and verticality of the wall, but the thickness of the plastering layer must not be less than 7mm. After the thickness is determined, the gray cake should be pasted with a wire sink, square ruler, etc. The gray cake should be made into a square shape of 30 ~ 50mm, and the horizontal distance is about 1.5m ~ 2m.

5. Do corner protection and punching

If it is plastering a large area wall, in order to ensure the squareness of the plastering of the wall's cylindrical surface, it is necessary to perform corner protection on the parts such as doors, windows and columns before plastering.

The above is about the common problems of interior wall plastering, how to do wall plastering, I hope to help everyone! The plastering of interior walls is a very important step in the construction of mud tiles, so everyone must master it and it will also help in the future decoration.

What, the decoration still uses his own money? ! The Qi family is decorated in installments, with an ultra-low annual interest rate of 3.55% and a maximum loan of 1 million. Apply now to enjoy the discount

Plastering of interior walls

Hydrophobic Agent

Shanghai Na Long Tech Co., Ltd , https://www.na-long.com