How to paste imitation marble paper on the old wall?

How to paste imitation marble paper on the old wall? The house we have lived in for a long time will gradually become unsightly. At this time, we will choose to decorate it, but the money is not enough. At this time, we can choose imitation marble paper and stick it by ourselves, which can save money and also save money. It can make the house more beautiful, so what should we pay attention to when sticking imitation marble paper on the old wall? ​The pulverized wall cannot be pasted directly. We can sprinkle water on the surface of the wall, shovel off the paint layer and pulverized layer on the surface, and then apply varnish or interface paint on the surface after cleaning. . Then use plaster or putty to smooth the wall. If you encounter a wall with large cracks, you can stick it with a cloth and then brush it flat so that when we paste the marble paper, it will be smoothed. If you want to stick the imitation marble paper flat, we need to polish it smooth and smooth after brushing the wall, and then brush the base film again.