Surely there are threads about this... but let's take another one, sorry!

What is most commonly used in a bedroom, for example... is there no real difference?

Best regards
 
Inner walls facing another room, I put double drywall for soundproofing purposes.
 
Mikael_L
Most common?

Well, it should probably be single gypsum, as many (most?) catalog houses have it, to keep the price down.

If you want the best soundproofing, double gypsum is perfect.
If you want almost as good soundproofing + easy to put things on the walls, go with OSB+gypsum or plywood+gypsum or particle board+gypsum.
 
But gypsum is what's used on the inside of the room?

Best regards
 
Mikael_L
If you're looking for soundproofing, don't forget the details.
No open holes between rooms, i.e., seal where boards and studs meet in wall angles and ceiling angles, everywhere there might be the slightest gap.
Don't place electrical boxes directly against each other if it can be avoided, and so on.

Regular "cheap" interior doors are quite poor at soundproofing.
It can be slightly improved with a rubber strip, but there are doors of completely different quality if needed.
 
Mikael_L
PX-21 said:
But plaster is what applies on the inside of the room?

Best regards
Yes, most people probably think so.
An inert and immobile material with a good surface that is easy to spackle well.
 
Yes yes I'm not looking for low-budget do-it-yourself, have expanded 30 m2, just winter-rested, will start again now in the spring...(stands as a shell with 45 insulation and wind paper...)

Thanks for the good tips!

Best regards
 
Mikael_L said:
....
A rigid immobile material, with a good surface, that is easy to fill well.
and fire-protective...
 
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