Hanging new wallpaper over old wallpaper is not generally considered a good idea. The old wallpaper can cause the new wallpaper to not adhere properly, and it can also make it more difficult to remove the new wallpaper later on if you decide you don't like it. Let’s look at this issue more closely.

Hanging new wallpaper over old wallpaper can be a great way to give your home a fresh, new look without having to strip and remove the old wallpaper. It can also be a quick and easy way to cover up any imperfections in the old wallpaper or paint underneath. However, there are a few things you need to know before you get started, such as which type of wallpaper to use and how to prepare the walls.

If you're hanging new wallpaper over old wallpaper, the first thing you need to do is make sure the old wallpaper is in good condition. If there are any tears or holes, you'll need to patch them up before you start. You should also sand down any glossy finishes on the old wallpaper so that the new wallpaper will adhere properly.

Next, you need to decide which type of wallpaper you're going to use. If you're covering up old wallpaper, you'll want to use heavy-duty wallpaper that's designed for covering walls. This type of wallpaper is usually made from vinyl or fabric and is much thicker than regular wallpaper. It's also important to use a wallpaper primer before you hang the new wallpaper, which will help it adhere to the walls better.

Once you've chosen the wallpaper and primer, you're ready to start hanging it. The first step is to measure the walls so you know how much wallpaper you'll need. Then, you'll need to cut the wallpaper to size and apply the adhesive to the back. Be sure to follow the manufacturer's instructions carefully so you don't damage the walls.

After the adhesive has been applied, you can start hanging the wallpaper. Begin at the top of the wall and work your way down, smoothing out any bubbles as you go. When you reach the bottom, trim the excess wallpaper with a sharp knife and you're finished!

Hanging new wallpaper over old wallpaper can be a great way to give your home a fresh, new look. Just be sure to follow the tips above to ensure that the process goes smoothly.