Skip insulation in interior wall?

[abel48]

I'm in the process of building an interior wall in the basement. I was thinking of skipping the insulation so it doesn't absorb moisture since it's in the basement. But will it then become very echoey? Is there any other way to soundproof it?

Best regards, Anders

 

[Norell]

Do you need soundproofing then, it usually suffices to have it in "sensitive" rooms like the WC etc.? Attach the insulation with long gypsum screws so it hangs in the air by a few decimeters if so.

 

[Mikael_L]

Spontaneously, I'm wondering about your concern that the insulation is absorbing moisture.

If there is a risk of so much moisture, I hope that your wall consists only of metal studs and cement-bonded? (is that what it's called..?) boards, like minerit. Otherwise, not only the potential insulation will be damaged.

Otherwise, I think double gypsum makes the wall more solid and soundproof, if you want to avoid insulation in it.

 

[v-g]

Bought a bundle of roxull for a couple of hundred so it's not the biggest cost in the world. So why not just put it in and avoid regrets?

 

[Milkshaken]

Otherwise, there are foam boards in a variety of thicknesses. Check with your local concrete station for a good price.

 

[abel48]

Thank you for all the answers
yes, maybe it won't be too expensive to insulate either...
the wall consists of wooden studs on tar paper and then I will have a layer of gypsum.

/Anders

 

[Milkshaken]

Yes, that's enough.... If there's anything that would be problematic, it would be the träreglarna.... But I still suggest using a steel rule at the bottom and then regular träverk will be sufficient...

 

[abel48]

but the tjärpappen prevents the wooden beams from absorbing moisture...

/Anders

 

[Milkshaken]

Yes Abel, it does. Of course, steel rule does feel like it lasts longer; the paper deteriorates faster than the steel so.....

 

[zankan]

Otherwise, there are foam boards in a variety of different thicknesses.. Ask your local concrete station for a good price..

Now, foam doesn't work as a sound absorber.....But you can put it in just for fun.

 

[Milkshaken]

Sure, styrofoam works as an absorber of sound... Do you have any facts that show it doesn't?

 

[MoN]

Foam plastic certainly works as a sound absorber (better than nothing at least) but compared to, for example, mineral wool it is fairly worthless.

I don't think there's a significant risk of moisture damage with wood studs on tar paper in an interior basement wall. I definitely think you should put mineral wool between the drywall sheets; you'll probably regret it afterwards otherwise.

 

[zankan]

visst funkar frigolit som absorbent för ljud.... Har du några fakta som visar att det inte gör det ?

Yes, because the foam has closed cells while the mineral wool consists of several fibers, the ability of foam to convert kinetic energy into heat is completely useless...

However, you can use the foam as a spring to dampen impact noise and other types of vibrations/phenomena that occur when sound waves or shocks hit a surface that oscillates, causing flank transmission.