Mikael_L
kjb said:
I assume there will be additional costs for deeper window sills (due to thicker walls), door frames, etc.
Yes, that could certainly be the case. Although there shouldn't really be any significant difference, for example, between different widths of frames. But on the other hand, they might have large purchase volumes on certain parts which means low prices.
And it's possible that you'll have to pay more than the BuildMax prices. Then you'll have delivery costs, seller commissions, etc.
There's no reason why they should pay more than the BuildMax prices. I myself haven't paid more than the BuildMax price on a single thing from my local building supplier, and I've even received a quoted price for materials for a single house.
BuildMax isn't really cheap, but you could call BuildMax democratic. Everyone "gets a good discount," which is fairly close to a real bulk buyer's one, but very good for someone who is purchasing individual boards, etc.

But in any case, the house company should immediately fire their buyer if they pay more than BuildMax prices on anything at all. :)

No, I mostly believe in the last point; they aren't satisfied with already earning the money they usually make on the house in question, but they want to earn even more for every little thing you remove or add.
I myself have already discovered the amusing mathematics that house suppliers seem to engage in. :)
 
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Of course, you should use OSB or plywood. Chipboard is out because it doesn't have any advantages. Raw wood paneling feels really solid but takes a long time to install.
I myself have installed OSB + gypsum on 45x95 studs and 95mm insulation in all interior walls, except for a few that are thicker :)
 
B
The advantage of råsopent is that there is no waste... And relatively cheap. Nail gun makes it fast.
 
No opinion on panels behind drywall, but one thing is certain: a hard material is not suitable for soundproofing, as hard materials are never used where the goal is to reduce the risk of disturbing noise. The most effective solution is insulation in the wall. For those talking about hanging heavy objects on walls, what are you hanging? Large and nowadays lightweight TVs are big enough that you can easily find two studs to attach them to. The idea of using OSB probably comes from some DIY TV shows with otherwise criticized solutions and "timellgubbar."
 
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karlmb
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Sealing gaps is frequently recommended for soundproofing purposes. Also double plasterboard.
 
What is it like to attach things to double gypsum?

On the walls where you have, for example, doors, windows, etc., how difficult is it to recess the panels between the studs?
There should be a lot of material waste?
 
JoakimJohansson said:
How is double plasterboard for attaching things??

On the walls where you have, for example, doors, windows, etc., how difficult is it to fit the boards between the studs?
There should be a lot of material waste?
Isn't it easier to change the casings then?
 
Fold in the discs?!
 
Recess the boards?!

What do you mean? Gypsum on the studs and gypsum on the gypsum.
 
FredrikR: salningar? What is that?

Nyfniken: it means inserting OSB between the studs so it doesn't protrude outwards, keeping the wall slim. That way, you wouldn't have to change frames, window sills, etc.
 
JoakimJohansson said:
FredrikR: salningar? What is that?

Nyfniken: so recess OSB between the studs so that it doesn't protrude outward, keeping the wall slimmed down.
That way, you wouldn't have to alter frames, window sills, etc.
The salning is what sits between, for example, the window frame and the trim/list.

Recessing panels doesn't sound realistic.
 
daugaard said:
...the chipboard is out of the question because there are apparently no advantages with ...
It can be glued to studs, it is dimensionally stable, it is strong enough for fastenings with pre-drilling, and it's very affordable. The first argument was the most important for me. It's fantastic to be able to straighten skewed studs. It also works with plywood, but at a different price.
 
B
JoakimJohansson said:
How is double plasterboard for attaching things??

On the walls where you have, for example, doors, windows, etc., how difficult is it to recess the boards between the studs?
Should result in a lot of material waste?
I've done that in several places. It works excellently.
 
Boan said:
I've done it in several places. It works perfectly.
Okay, but then you only do it, for example, behind the TV, hat racks, etc., where you know you'll be putting up heavier things?
Doing entire walls sounds like a lot of work?
 
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