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My upstairs neighbours are driving me crazy since with their kids running and jumping for hours on end and at very early (5-6 AM) hours on weekends!

What would be the best soundproofing solution for my needs? I very rarely hear voices or screaming but when I do it's very faint and tolerable but it's the impact noise from their feet, objects being dropped and furniture being moved that really drives me mad.

The footsteps are very bassy sounding so very low frequency I would say in the hundreds of Hz or so not sure how to measure that though.

My ceinling is made of cement and is 2.8 m heigh. I was told that the best option is to make a drywall false ceiling and stuff the gap with high density (100 kg/m3) rockwool material.

Not sure if this is the best solution for my needs and I want to block all the noise if possible.

How much lower will the new false ceiling have to be? is 40cm lower enough?

So many variables at play here and I would love to hear what the experts have to say.

you might need to make your home sound proof. other choices are as talking is best way to solve an issue so just go and talk with your neighbors to stop using such so old garbage and good quality garbage disposal would never make such noises you may also purchase a small garbage disposal for hundred bucks and gift that to your neighbors and ask them to stop using the old one as it makes huge noises
Soundproofing Windows and Doors / Re: Success! DIY secondary glazing story
« Last post by Kosseri on January 24, 2018, 05:50:59 PM »
Thanks for sharing your experiences, Kevin. What kind of prior experience did you have with this? Just curious, as I'm trying to decide if I should do this on my own or not. I'm a total newbie.
mass loaded vinyl and 1/2" cement board together.

No gaps any where.
Make sure the barrier hits the ground.

This is going to increase the fence weight by 5lbs sqft. so prepare the fence to support the added weight.

Your height will be what actually dictates reduction, this is known as diffracted path and shadow zone.
 So your fence might still not be high enough depending on distance from source to wall and from wall to receiver.

Since you are in socal you can see this up and down the I-5  go look how high the freeway noise abatement walls are.

Do the best you can, so that cost is justified by the reduction.

Randy S.
Kind folks, please offer some of your wisdom on this:

I want to soundproof a wooden fence that has redwood pickets on both sides. We are extending it from 6' to 8' tall. The fence separates two small one-story homes.

Please recommend a few types of soundproofing material that:
1) will not mold, and
2) will do a good job muffling the sound of a female with a loud swooping "head tone voice" (think Julia Child 200-500 Hz) and a medium sized dog who barks a lot. (1500 Hz?) Road noise isn't an issue.

I currently have some carpet underlayment in there but my neighbor is worried it will mold once I put the pickets up on my side. (So far, no mold and it's been stapled up there for two years.) We live in SoCal, so no freezing temps, no snow. It rains a few times per year.
Attempting to soundproof the head board would be a waste of money because the sound will just go around it.
Uncouple the head board from the wall and this will stop the direct transmission of vibration to the head board and make sure you move it away from the wall, not contacting the wall.
As for reducing your noise problem with the neighbor you are going to have to soundproof the entire wall in order to see any viable reduction. Anything less of doing the entire wall would be wasted efforts.

Best Regards,

Randy S.
Hi all,

I live in a flat where the walls are kinda paper thin. I hear the bass of the tv and talking voices from the people next door. I have called security to silence them but I am getting tired of it. I can hear them especially from my bed. The headboard of my bed is attached to the wall; which shares the wall with the neighbours.

I suspect that the headboard might amplify sounds? Attached is a picture of what the inside of the headboard looks like (this is not my actual headboard). Might this amplify sounds? If so, could acoustic foam stop some of the sounds from coming through?

Thanks for your help.
Soundproofing your Condo, Townhouse or Bed & Breakfast / Re: CEILING SOUNDPROOFING
« Last post by Randy S on January 09, 2018, 04:41:45 PM »
When ever you float on clips and channel or resilient channel you must leave the perimeter free from hard connections and only use non hardening caulk so you do not create a drum effect.
"tight around the perimeter and lose in the middle"

The true cost behind soundproofing is not so much the material as it is the labor costs due to the extreme amount of detail that has to be done in each and every layer.

Randy S.
Soundproofing your Condo, Townhouse or Bed & Breakfast / Re: CEILING SOUNDPROOFING
« Last post by duleaux on January 08, 2018, 05:44:22 PM »
Thanks Randy!  Great feedback.  Unfortunately, the more I learn about this the more complicated and probably costly it becomes (for example, I did not think about caulking the drywall perimeters.)
Soundproofing your Condo, Townhouse or Bed & Breakfast / Re: CEILING SOUNDPROOFING
« Last post by Randy S on January 08, 2018, 04:21:38 PM »
You are right on track when you can not remove the existing drywall.

I would use Isomax clips over any clip.

Then I would apply 2 layers on the channel, first layer would be cement board 1/2" or greater followed by green glue then 5/8" type X drywall.
Quiet rock is not as heavy and cost way more.

Now the real issue with footfall is the existing subfloor, it is already a drum head and this is why we glue and screw cement board in between the joist in the cavity. when you can not do this you need to cut the perimeter of the existing drywall and fill the gap with acoustic caulking to break it from the walls. when you go forward all rigid layers are to have the perimeter gap and fill with caulking.

Feel free to reach out direct.

Randy S.
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