Hello,

now it's getting close to contract signing, and that feels good. But I'm feeling uncertain about the decision regarding the interior walls. All walls come standard with 45x95 studs and single gypsum board (13mm), but I/we are thinking about having something substantial to nail things into, tired of using wall plugs all the time.
If we change things and go with 45x45 studs, 12mm chipboard, and 13mm gypsum, would it be much more expensive then? The amount of stud material would decrease a bit. Then we probably want to choose insulation for all walls, does that seem reasonable? (Insulation is included around the wet areas)

Someone mentioned that it becomes "rattly" with gypsum + chipboard...? Doesn't insulation counteract this if you choose it?

Help
:P
 
45x45 is probably a bit weak, aim for 45x70 instead and then chipboard/gypsum or OSB/gypsum.

Insulation in the interior walls I think is obvious, it costs so little extra that there is nothing to think about.

I don't agree that it becomes rattly, we have chipboard+gypsum (and of course insulation) on some walls and it becomes significantly quieter than just one of the boards.

Regarding the extra cost, expect around 70-80:- extra for each chipboard (120cm width on these) including installation.
 
Thank you for the response.
Isn't OSB+gypsum more expensive than gypsum+chipboard? Maybe it's marginal, I think OSB seems more durable in some way but maybe that's just my imagination.
 
Well, osb is more expensive than chipboard, but I don't know how much.
I also think that osb is sturdier than chipboard.
 
Okay, has someone chosen råspont behind the gypsum then? Maybe it's even more expensive....?
 
Raw tongue and groove around 60:- /sqm with installation.
 
Råspont + plasterboard make very nice walls, a good investment. Provided, as usual, that one can afford it.

Zephir
 
I just made the... miserable, yet fantastic choice to lay råspont. The initial plan was to just have it (22mm råspont) in a workshop area of about 30sqm, but I felt diligent and chose to buy it for the whole building (about 40-50sqm per floor). I bought 1600mm, sawed it, carried it up, and nailed it all by myself in about 3-3½ days. It was pretty darn exhausting, but now it feels really good. On the outside, it will be gypsum. The walls feel immensely stable, and the soundproofing turned out fantastic. I highly recommend it. Especially if you have access to a nail gun and someone who saws while you nail, or alternatively if you have a lot of energy and a strong nailing arm :)

I think I paid about 7000-8000kr for 1600m and ended up with quite a bit left over. It was a bit wider than I expected. Used just under 9m per sqm, which is about 42kr per square meter. Definitely worth it. Feels very substantial. I also hate gypsum walls. They feel hollow and cheap, and then you just get angry when you try to put up something heavy or accidentally damage the wall.
 
C
Isn't it silly that you need something (råspont/träskiva) under the drywall for it to be a good construction, talk about the Stone Age...

Isn't there an alternative? I don't feel like working with drywall, tretex, obs, or chipboard, and wood paneling is too much like a sauna. Vertical/horizontal "boards" a la ceiling panels are too much like an office...

Carra

who doesn't plan to wallpaper but wants painted walls... ;D
 
What do you mean by not feeling like working with plaster, particle board, etc.? You must have something, right? :)

Råspont might seem antiquated, but what you're really talking about is quality. If you don't feel the need for anything under the plaster, that's just fine. It's time-saving to just put up simple plasterboard on the walls. If you're satisfied with that - great. I have it myself in the main house, and sure, it works. However, I wish the main house had the same standard as I'm getting in the outbuilding (60x2 sqm with 45+145+45 wall insulation and 120+120+120+120 in the ceiling, råspont and plaster on the walls, etc.). It feels solid, but a requirement? There's absolutely no talk of any requirement here.
 
Realized that my post wasn't really an answer to the question.

Gypsum + chipboard should work well, right? Gypsum and chipboard separately work for most, so gypsum + chipboard should be better. Probably not much more expensive, I would guess. It's also something you can do yourself very easily. But like with everything; it depends on how many square meters are involved. If you have the time and energy, I would then go for rough-sawn timber while you're at it.
 
I vote for 45*70, OSB and gypsum on it!
 
It got lively in this thread :)
Fun

More and more leaning towards 70 rule and OSB+ single plasterboard
I think we will achieve the feeling we're craving for, as well as the practical advantage of not having to plug into plasterboard, I'm really tired of that...
 
I have just set up a wall with 45*70, OSB+Gypsum. As stable as can be. The downside is that you have to reinforce if you want a door in the wall.

Of course, you insulate 8)
 
then there are no doors that fit the dimensions of that interior wall ??? how troublesome in that case it sounds like a good construction on the wall.. considering that solution too.
 
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