Can you directly glue the new wallpaper on top of the old wallpaper?

No. Be sure to remove the old wallpaper before pasting it again, if it is directly covered, it will cause the wallpaper to be uneven, and once the wallpaper is pried in the future, latex paint.

As a result, there will be sticking defects and even wallpaper damage.

Wallpaper process:

1.Before pasting wallpaper, the wall is treated, the impurities and floating soil on the wall are removed with scrapers and sandpaper, and gypsum powder is used for holes and cracks.

Mend the smoothing. <>

2.To cut the wallpaper for the wall, measure the height of the wall first, and then cut the length of the wallpaper.

3.Paper cutting is an important part of wallpaper paste, should be measured out of the height of the top to the bottom of the wall, cut the paper on the ground, cut the wallpaper to be wetted before pasting, generally soaked in clean water, placed for 10 minutes to brush glue.

4.Use a crosshairshammer to measure the vertical baseline, post the first wallpaper from top to bottom according to the baseline, and squeeze out the bubbles and excess glue to make the wallpaper flat and close to the wall.

5.Cut off the excess wallpaper at the upper and lower ends, the knife should be sharp to avoid burrs, and then use a cleaning wet towel or sponge dipped in water to completely wipe off the glue remaining on the surface of the wallpaper.

In principle, no, but since you are a store decoration and the time cost must be controlled, you can try.

But to pave the effect well, pay attention to whether your original wallpaper is damaged, shelling, warping and other problems, if there is a need to do the next treatment in advance, these places are as smooth as possible.

Generally, no, so the bonding is not strong, please tear off the existing wallpaper before pasting the new wallpaper.

This is not very good, if the new wallpaper does not adhere strongly, it is easy to waste.

It will be better to remove it, because the ability of the old wallpaper to absorb glue is definitely not as good as that of the wall, and it may cause it to fall off after a short time. Also, if you tear it off and start over, some walls that need to be repaired need to be repaired.

Related Notes:

If the edges of the wallpaper are warped due to dry cracking, how can I prevent the wallpaper from drying out? If that doesn't work, use a syringe to inject glue into the edge of the crack in the wallpaper and try to re-glue the wallpaper. Or use the glue powder of the wallpaper, wipe it on the curl edge, smooth the warping, blow it with a hair dryer for about 10 seconds, and then press it with your hands until it sticks firmly, and blow it with a hair dryer until it is dry.

When making up, pay attention to first determine whether there is a problem at the grassroots level, and be sure to extend the mending range, and extend the mending range to the vicinity with the cracking place as the center.

To prevent the wallpaper from drying out, the construction stage is the most important, therefore, the basic way to prevent the wallpaper from drying is to soak the wallpaper in water before paving, and then brush the glue to pave, and the wallpaper should be naturally dry.

There are many reasons for the wallpaper to crack, in addition to the dry climate, there is also the use of the knife process to the seam, the knife edge is repeated, showing the wallpaper seam; The wallpaper softens for too long, the expansion and extension are too large, and the wallpaper forms shrinkage joints after drying; When sticking the wallpaper, the scraper force is too large, the wallpaper is stretched excessively, and the shrinkage joint is formed after drying; Sunlight exposure and strong wind blowing cause uneven shrinkage of wallpaper, forming partial shrinkage and cracking of wallpaper; The quality of the base treatment is not good, and the quality of the wallpaper crack resistance is not good, it will be deformed and cracked, etc., in short, the wallpaper is often cracked when there are cracks or cracks warped.

My bedroom is going to be partially redecorated recently, and I want to replace the original paper wallpaper with cloth, but the old wallpaper is well maintained, so I want to save some trouble and spread the new wallpaper directly on it, I want to know if it is feasible, will there be problems in the future?

No matter what kind of wallpaper is used, when updating, you need to remove all the surface and paper base of the original wallpaper. If the bond between the paper base and the wall is relatively strong, you can wet it with water first, and then tear it after the water soaks the paper base, and try to avoid damaging the wall when tearing off the old wallpaper. If the wall is damaged, you need to re-putty leveling, brush the wall protector, and wait for the wall to dry before pasting the new wallpaper.

If you do not remove the original wallpaper on the wall and paste the new wallpaper, it is likely to cause some problems: although the original wallpaper is well maintained, but the adhesive has a certain service life, after a certain number of years will inevitably lose its adhesion, if the new wallpaper is directly laid on it, it is likely to cause problems such as hollowing, so it is still necessary to remove the old wallpaper and then re-pave. Beijing good craftsmanship professional wallpaper provides technical support.

This cannot be done.

1. Because most of the walls are covered with a layer of wax coating, the wallpaper glue can not be effectively bonded.

2. The pattern on the wallpaper will cause the wallpaper to be visually uneven 3. If the old wallpaper is bulging, it will bring up the new wallpaper.

4. The wallpaper is very easy to tear, moisten the wallpaper slightly with hot water, stop for an hour, and carefully tear off the whole piece.

No, it will cause the new wallpaper to blister.

Self-adhesive wallpaper needs to remove the original paint and other objects on the wall, and if there are cracks on the wall, you can use gypsum powder to fill it. If the wall belongs to the sand-gray wall or partition wall, then it must be covered with glass wires; For poor quality partitions or exterior walls, gypsum board needs to be nailed. Wu Cha.

The wall should be clean, flat, smooth and strong before the wallpaper can be pasted.

Many times, people will choose to paste wallpaper when renovating second-hand houses, on the one hand, the styles and colors of wallpaper are varied, it is easier to match, on the other hand, filial piety, wallpaper is simple to operate, and it is cheap. But if the house was used to decorate the wall with wallpaper, then let's discuss whether we can paste wallpaper on the basis of the original wallpaper and whether the original putty is used to renovate the wallpaper in the old house.

1. Can you paste wallpaper on the basis of the original wallpaper?

Of course, you can't paste the wallpaper on the wallpaper again, if you want to paste the wallpaper, there are certain requirements for the wall, if the wall has been pasted with a layer of wallpaper, and then paste the wallpaper, which will directly affect the effect of the paste, and the wallpaper is also prone to cracks or warping after the wallpaper.

If you say that you can re-paste a layer of wallpaper directly on the wallpaper, it will definitely not meet the requirements, and the wallpaper will be more wrinkled, which will affect the service life of the wallpaper, and it is indeed not very beautiful. If the wallpaper at home has been used for a long time, you must tear off the original wallpaper and then reprocess the wall before you can paste the wallpaper.

Second, the old house renovation wallpaper with shovel putty.

That depends on the situation. If your latex paint does not burst and regain moisture, then it is a good time that you don't need to shovel it off, you can directly brush the base film and then paste the wallpaper; If there is a phenomenon of bursting skin and moisture resurgence, then the latex paint and putty must be shoveled off together, and the base film can be brushed and wallpaper can be brushed after the putty is re-leveled after drying.

The above is all about whether you can paste wallpaper on the basis of the original wallpaper, and whether you use the original putty to paste the wallpaper for the renovation of the old house, I hope it can help you understand the wallpaper of the old house renovation, more decoration knowledge, decoration company evaluation, decoration cases, please continue to pay attention!