New look for renovation of wall painting
After a long period of use, the original white walls of the house have become dull and aging. The renovation of the wall is not simply a matter of repainting the original wall. What should be noted in the renovation process? Let's take a look at the wall renovation painting techniques.
1, the basic treatment of the old wall
The basic treatment of the old wall mainly refers to the removal of the original decoration and decoration of the wall.
Generally include the removal of the existing latex paint and putty layer on the wall, the removal of wood, and the removal of other surface decorations (such as wallpaper). If only for a year or two, the wall's water-repellent putty does not have to be completely eradicated. After brushing the wall with sandpaper and sandpaper, the latex paint can be re-applied. For a longer period of renovation, the putty layer needs to be completely removed, and the putty should be re-applied and other processes performed.
2, the basic steps of wall renovation painting
The first step: clean the wall
Before the renovation, the old wall surface must be treated with a wall surface. The powder must be completely removed after being smashed, and a layer of white cement must be applied after eradication. The original wall was too smooth, and after brushing off the paint, it was polished and the loosely bonded skin was removed to facilitate the adhesion of the new paint and the wall.
The second step: brush primer
The role of the wall primer is to resist alkali moisture, to seal the substrate, to protect the topcoat, and to improve the texture and hiding power of the topcoat. For the renovation of old houses, the walls must be used as primers. If there is no primer on the paint, the long walls will be easy to foam and become moldy. If the sun shines for a long time, it will be easily discolored.
The third step: large area repair
The wall surface that has already been painted well will be more troublesome to repair, and it will be prone to chromatic aberration. The use time of the material is different, and the quality is difficult to guarantee. It is difficult to achieve the desired effect.
Therefore, it is advisable to repair the wall with a whole wall, or to choose a larger area for repair as much as possible so that chromatic aberration can be avoided as much as possible, and the quality after repair is also better.
Step 4: Prevent color difference
Wall color difference is needed to be avoided when repairing the wall surface. To this end, it should be noted that according to the description of the paint bucket, brushing, it is best to estimate the amount of good. Prepare a sufficient amount at a time, so as to ensure the same color on the wall, but also to avoid the difference in the color of the redeployment.
3, wall renovation painting issues
More than five years of water putty due to material aging, in the second decoration must be eradicated to the bottom of the wall, otherwise it will affect the construction quality of the wall latex paint in the future and the long-term use of the effect after renovation.
The ventilated condition of the old house is poor, and the xylene component of the diluent chemically reacts with the components of the latex paint, resulting in yellowing of the walls. Therefore, to enhance ventilation, open more windows and doors, or put a few fans to enhance the ventilation effect.
In addition, while carrying out space transformation, we must understand the characteristics of the wall of the house. In the renovation, the bearing wall must not be destroyed. Some non-bearing walls cannot be demolished or changed at will. Otherwise, the security of the house will be seriously affected.
How to distinguish the bearing wall? Generally relying on the mark on the engineering drawing, the thick solid line in the construction drawing and the wall under the non-supporting beam in the ring beam structure are all load-bearing walls, and the non-bearing wall is usually marked on the drawing by thin solid line or dotted line. In addition to this, it can also be distinguished according to the thickness of the wall. Generally, the wall above 240 MM is a bearing wall.
Some walls cannot distinguish thickness, but they are also load-bearing walls, such as exterior walls and walls shared by neighbors, which are easier to distinguish.
The above information on the renovation of the wall painting techniques simply introduced here, I hope the above information is helpful to everyone. If there is anything we do not know where to leave comments on the bottom of the page, we will answer your questions as soon as possible. Thank you for your support of this site. Follow-up articles have been published. Please continue to pay attention.
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