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Old 03-26-2012, 01:01 PM  
hairball
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Default Soundproofing during renovation

Hi, all

I am renovating a duplex that has an upper and a lower apartment.

The upstairs is now done and has wood floors. My intentions is to fix up and rent out the lower apt. but the sound tranmission between the floors isn't going to be fun for either tenant.

Right now I have the lower apt. stripped including the ceilings so i have some flexibility with what I do.

All noise is trasmitting, from footsteps to radio noise. The old ceiling was just drywall with hollow cavities between the joists.

Rugs are one option upstairs which is fine, but I don't want to cover the whole floor so I want to find a way to make sound travel less.

I can't afford to pay acoustic companies, so I'm looking for a solution appropriate to a small basement apartment. I had considered glass fibre in the cavities and a couple of layers of drywall, but I guess i need to get some mass on the celing to calm down the vibrations' travels.

If anyone has any cost effective solutions then I'd be grateful to hear (read) them.

Thanks



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Old 03-27-2012, 01:04 AM  
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Default some ideas

Just regular drywall is not that great at stopping sound. There are systems out there that go with drywall to reduce noise transmission. They are generally some sort of clip, or rail that keeps the drywall for the joists. There are quite a few options out there.



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Old 04-01-2012, 07:30 AM  
Ted White
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http://www.soundproofingcompany.com/sp-solutions/soundproof-a-ceiling/ . Asbestos' comment above is right on the money. Have a look at this link to get a few ideas for ceiling treatments
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Old 04-03-2012, 10:05 AM  
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That's very useful, thanks. I'll have a think about that solution. Looks cheaper than the heavy vinyl stuff.

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Old 04-04-2012, 02:00 PM  
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Filling the joist bays with unfaced insulation, followed with 1 layer of soundboard and 1 layer of 5/8 will go a long way to solving your problem.
Do not compress when filling.
Also check US Gypsum.

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Old 04-04-2012, 02:07 PM  
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I wish my neighbors were considerate enough to think about this topic.

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Old 04-09-2012, 08:32 AM  
hairball
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Thanks!

I am not familiar with 'soundboard' is that a type of drywall?

I've seen soundproof drywall at Lowes. it looks like a double layer, but costs 5 times as much as the normal stuff. Is it similar to that?

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Originally Posted by Snoonyb View Post
Filling the joist bays with unfaced insulation, followed with 1 layer of soundboard and 1 layer of 5/8 will go a long way to solving your problem.
Do not compress when filling.
Also check US Gypsum.
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Old 04-09-2012, 09:06 PM  
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You'll not find this product at the "big boxes", you'll have to go to a reputable drywall supplier.

Here is the site;http://www.bpcan.com/en-CA/search/?s=bsnat85

Locally its about $9.00 a sheet and 5/8 drywall is $8.00 a 4x8 sheet.

Locally is the "truly left coast".

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Old 04-12-2012, 05:41 AM  
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You can also check out Roxul Safe and Sound. Besides the sound conditioning it also provides some fire stopping. Depending on the size it may be well worth the expense.

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Old 09-23-2012, 09:02 PM  
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I went with the Roxul Safe and Sound, I recommend it. What did you end up using?



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