Hello,

I am curious about your opinion regarding plaster on the walls. I live in a brick house built in the late '70s. I am now planning to completely renovate my kitchen, living room, and hallway. I have heard that to avoid cracks in the new wallpaper, I should screw plasterboard onto the existing particleboard. Is there any truth to this? Is there perhaps a better way to avoid these cracks in the wallpaper? If I screw up plasterboard, I will be forced to take down the old window trims and put up new, deeper ones. So if you have a better solution, or perhaps even claim that plasterboard doesn't help, let me know.
 
Chipboard is a more "living" material than plasterboard, so it moves more, clearly. The advantage of placing the plasterboard on top of the chipboard is that you get an excellent anchor behind the plasterboard for mounting things like pictures and such.

The disadvantages of double boards are, as you mentioned, that the trims need to be changed. You will also need extension frames for the electrical boxes.

An alternative is to remove the chipboard completely and replace it with plasterboard, but I think that's a worse option as it will likely be at least as much work anyway, and you lose the advantage of having double boards in the walls.
 
Are they just particle boards in place? I didn't know that anyone ever built with just chipboard as wall material, but you learn something new every day.
 
Sure, sometimes things have been built that way. I have such walls in half of my house.
 
Agreed, in e.g. Älvsbyhus from around the '80s, there are 12mm chipboards in the walls at least...probably in more places as well. It works well.
 
If you use root plaster maybe you can manage the frames.
Many windows and doors?

Best regards, Putte
 
There are quite a few doors and windows, a decision has been made to plaster all the walls and change the trims, but I thank you for the tips, it even ended up that we will replace a window while we're at it.
 
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