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After the renovation, the wall surface peeled, alkali molded, cracked, and fell off, because these few steps were done

author：Explore exquisite living

Wall decoration is the "façade" of a home. The quality of a wall will affect the appearance of the entire home, and the area of the wall can be said to occupy more than 50% of the overall home improvement vision.

After the renovation, the wall surface peeled, alkali molded, cracked, and fell off, because these few steps were done
Some people at home decoration, the wall decoration has not been thoroughly studied, everything is done according to the decoration workers, materials and processes do not know how to distinguish and choose. Therefore, it leads to various problems in the wall in the future: cracking, powdering, peeling, empty knocking and falling off, alkali return, horizontal and vertical unevenness and so on.
After the renovation, the wall surface peeled, alkali molded, cracked, and fell off, because these few steps were done
General home decoration will favor the effect of simple brushing latex paint, not only beautiful and atmospheric, but also the color can be changed or made into a creative art wall according to their own preferences in the future.
After the renovation, the wall surface peeled, alkali molded, cracked, and fell off, because these few steps were done
The seemingly simple layer of latex paint underneath, in fact, to go through a multi-layer basic process, so as to ensure that the surface of this layer of paint in the future at home "glowing and shining", many years later with the new one.

Process 1: The base layer of the wall is strong

After the renovation, the wall surface peeled, alkali molded, cracked, and fell off, because these few steps were done

The base layer of the wall is the original "skeleton" of the wall, if there is an unstable phenomenon such as empty drums at the bottom of this layer, then these places must be filled and leveled with cement mortar or gypsum mortar.

After the renovation, the wall surface peeled, alkali molded, cracked, and fell off, because these few steps were done

Pay attention to this step is necessary, as the saying goes: "The foundation is not solid, the ground is shaking" is this truth.

Process two: hanging nets or brushing interface agents.

1. First, let's talk about whether the mesh cloth needs to be hung. The role of hanging the mesh cloth is to prevent the wall from cracking. Because the net is usually brushed after hanging the net, this layer of net can separate the wall from the part above the surface putty layer, which can effectively solve the problem of plastering the cracking of the surface layer.

After the renovation, the wall surface peeled, alkali molded, cracked, and fell off, because these few steps were done

If it is a new wall that has just been built, as well as a place where the old wall is renovated, the new and old wall stitching is mixed, and there are slots on the wall, it is recommended to hang the grid cloth.

After the renovation, the wall surface peeled, alkali molded, cracked, and fell off, because these few steps were done

Other places look at their own ideas, if the pursuit of meticulous, want to be more secure can all hang the net.

2, for the new rough house that you usually see, you can not hang the grid cloth, generally with the interface agent. Its role is also to prevent the plaster layer from being not firmly bonded to the wall and causing air knock cracking.

After the renovation, the wall surface peeled, alkali molded, cracked, and fell off, because these few steps were done

Process 3: After hanging the net or brushing the interface agent, then brush the putty.

Brushing a strong and water-resistant putty material is necessary, and some people do not pay attention to the choice of water-resistant putty, thinking that it does not matter. However, after the inside of the wall is damp, the wall surface that uses water-intolerant putty will appear powdery.

After the renovation, the wall surface peeled, alkali molded, cracked, and fell off, because these few steps were done

The purpose of scraping putty is to level the wall surface, so there is also attention: first of all, it must be scraped locally, and then polished and flattened; then do at least 2 times to scrape the whole wall full of putty + grinding, and there must be a time interval in the middle to meet the standard.

After the renovation, the wall surface peeled, alkali molded, cracked, and fell off, because these few steps were done

If you only make a top layer of putty, the thickness is not suitable for more than 1mm, and try not to implement this process in rainy weather.

note:

The types of putty are subdivided, and are also divided into bottom putty and surface layer putty. We generally wear brush layer putty, and many people do not make bottom putty. However, with more and more home decorators pursuing the quality of home improvement, the application of bottom putty has also begun to rise.

After the renovation, the wall surface peeled, alkali molded, cracked, and fell off, because these few steps were done

The bottom layer of putty can be used as a base wall leveling, and its water resistance is stronger than that of the surface layer of putty. If the average unevenness of the base layer of the wall exceeds 1-2 cm, then this process is suitable. However, the thickness of the bottom layer of putty should be controlled below 1.5 cm.

It should also be noted that the bottom layer of the gypsum-based putty is generally suitable for dry indoors, and the environment that is prone to moisture is changed to cement-based bottom putty.

Process 4: Primer

After the renovation, the wall surface peeled, alkali molded, cracked, and fell off, because these few steps were done

Before painting on top, a primer needs to be brushed . First of all, most of the water-resistant putty is alkaline, if you directly brush the latex paint, it will destroy the film-forming properties of the latex topcoat, resulting in the color, peeling and other situations.

Brush primer increases the adhesion of the topcoat and makes the topcoat more evenly and brightly applied. Moreover, for the wall surface with strong alkalinity, the primer can also block the erosion of alkaline substances on the latex paint and prevent the wall surface from returning to alkali.

After the renovation, the wall surface peeled, alkali molded, cracked, and fell off, because these few steps were done

After brushing the primer, brush the topcoat again

In addition, the primer also has a waterproof effect, in the balcony, kitchen, bathroom and toilet and other wall brushing waterproof primer, can effectively prevent the future water into the wall, resulting in moldy wall of downstairs residents.

Process 5: Topcoat

After the above process is done, the last layer is the topcoat, which is what we call latex paint today. The choice of latex paint should choose environmental protection paint, pay attention to see if there is a recognized environmental protection label.

After the renovation, the wall surface peeled, alkali molded, cracked, and fell off, because these few steps were done

Common latex paint environmental certification mark

The above is a small editor to summarize some of the practical dry goods about latex paint wall decoration, I hope to help friends of home decoration, the next issue will continue to share wonderful content!

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