Would it be possible for the builders to use OSB or wall chipboard instead of drywall?
Then it's quite a simple task to cover this with a layer of drywall afterwards.
But the lack of sound insulation in the walls still feels very troubling.
 
Blindnit said:
Speaking of soundproofing, it made me think about our wall in the "never get finished" :)
From one room to another:
13mm floor gypsum
22mm floor chipboard
22mm floor chipboard in the other direction
80mm stud then past 70mm insulation there.
Original plank wall 22mm
22mm floor chipboard
13mm floor gypsum
13mm floor gypsum

I have a bit of anxiety that I built the wall too weak :D
:thumbup:
 
Björn - Thanks for the input. The options for variation are extremely limited when it comes to walls. Either single gypsum on a steel frame or Plyfa+ single gypsum on a steel frame.

You seem to know about sound attenuation properties. What is the difference in sound attenuation between single gypsum and Plyfa+ single gypsum?
I'm aware that sound can pass through doors and so on. However, it's a different type of sound than hearing the person in the next room fart through the wall.... :)

Blindnit - I think the wall will be fine. It might leak some sound, but there are always earplugs! ;)

No one seems to have a strong opinion about the price. At least not that it's HYSTERICALLY high. That feels positive anyway ;)
 
Gabbe - No, zero flexibility. Which is understandable since they are in the process of building a large number of houses. If everyone has different requests, it becomes administratively impossible to manage. (not to mention the cost...
 
Felde said:
No one seems to have any direct opinion about the price. At least not that it's HYSTERICALLY high. That feels positive at least ;)
I only have experience building houses myself, so I have no idea what it usually costs to make such options.
But if I roughly estimate that they need 100 sheets, it will either take them a very long time to install them or they will have a very high hourly rate.
 
Gabbe1 said:
I only have experience building houses myself, so I have no idea what it usually costs to make such additions.
But if I estimate roughly that 100 sheets will be needed, it will either take them a very long time to install them or they will have a very high hourly rate.
believe in option two... ;)
 
Speaking of having more fun for 79 kkr:
How about fat ceiling speakers in every room + a juicy amplifier/PA system? :p

Is there no opportunity to go and "test listen" in a more finished house?
 
Different construction types provide different reduction values at different frequency bands. Generally, you get a slight deterioration in soundproofing with plywood inside the drywall (even worse if you place plywood on both sides).

Not insulating the cavities in new construction, I think, is a somewhat poor saving since this is significantly more difficult to address afterward. If we spread out the slight additional cost over time, and simultaneously consider the upside in terms of a better acoustic environment throughout the building's entire lifespan, I believe there is every reason to think it over once more.
 
Oldboy - That actually sounds like a really good idea! ;)

I've thought about it too, but I don't know anyone in my circle who has single plaster (though I haven't asked everyone ;) )

Björn - I would LOVE to insulate the walls. However, it's not an option according to the construction company.
When you say a slight reduction in sound insulation with plywood, are you comparing it to single plaster and insulation?

The step from single plaster to single plaster/plywood should mean a noticeable improvement in terms of sound insulation, right?
 
He compares it to having double gypsum, which is the best in terms of sound. In that case, Plyfa/Gips is worse but better than single gypsum alone.
 
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Björn Melander
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Hi, I have just removed all the single plasterboard walls from my townhouse and replaced them with OSB, plasterboard, and insulation. In some rooms, I'm also putting up an extra plasterboard sheet for even better soundproofing. It's needed with three kids ;)
Having a house with single plasterboard without insulation works if you appreciate a messy sound environment. Additionally, the feel of the house is completely transformed with stable walls. If you plan to live in the house for a long time, I would definitely address this.

You can see examples of this here www.byggaombloggen.com
 
oceanis said:
He compares it to having double plasterboard, which is the best acoustically. And in that case, Plyfa/Gips is worse but better than just single plasterboard.
+ 1 - exactly!
 
A major advantage is also how the walls feel/are perceived, if you disregard the sound. Despite having a 3m high interior wall on the upper floor, it is perceived as very stable and fairly rigid. It consists of gypsum, chipboard, 70x45 studs c-c60, chipboard, gypsum. For sound insulation, I chose 45mm stone wool panels.
 
Thank you for the clarification, Oceanis :)

Yes, I'm dreading the fact of using single plasterboard, to be honest. It doesn't feel good at all. But almost 80 thousand... yikes.
Tearing down later, installing insulation, and so on is not an option. We're moving to a townhouse to avoid renovations. It should be new and maintenance-free for a number of years.

Damn, I'll have to persuade my better half at home...

In summary:

Have I understood it correctly if I classify it as below? with regard to sound properties?
Best plasterboard + insulation
Next best - double plasterboard
Third best: Plyfa/plasterboard
Worst by far: single plasterboard
 
I rather think it is:

Best double drywall
Second best single drywall/insulation
Third best Plywood/drywall
Worst by far single drywall

But the order can probably vary slightly depending on measurements and execution, but clearly the worst and simply "much worse" is single drywall.
 
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