It is the key to perfect the wall

Part1: Basic Processing Step 1 Check Wall Base

General focus on inspection emptying, cracking, flatness, verticality, yin and yang angle, putty water resistance of these items. The surface layer of the wall shall have sufficient strength, and its surface quality shall comply with the relevant provisions of the current national standards.

First, check the new wall

1, check the presence of empty drums, cracks phenomenon

Hollow wall will seriously affect the adhesion of the coating, etc., usually by visual inspection, tapping, hard carving, hand wipe and other methods. The phenomenon of empty drums must be completely eradicated, and repairs should be carried out by applying matching putty to repair or leveling or cement mortar with the same proportion as the wall mortar in accordance with the same construction method of the wall to ensure uniform absorption of the coating and no marks.

2, base plaster plaster marks

The unevenness of the lap of the substrate will affect the aesthetic appearance of the decoration. Before the construction, it must be polished and polished with a sander.

3, wall iron nail head

Before the construction coating, nails should be cut out and knocked off the wall, and then the anti-rust paint should be used to treat the nail head.

Second, on the old wall

1, powder, dripping traces, dust

Sweep the base with a bamboo broom to repair uneven areas.

2, shell peeling

Knock out the layer of stucco to be peeled off.

3, cracks

After the outer coating is washed and scouring, different surface sizing and flattening treatments are selected according to the size of the crack.

4, oil smoke, grease

Alkaline water can be scrubbed and rinsed clean.

Xiao Bian concludes: The above mentions the inspection work to be done before the decoration of the old and new walls, and the handling of different situations. Next, we will take a closer look at the basic work that needs to be done before the construction of the wall finishes.

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