Sound Proofing Existing Condo Walls - Insulation - Contractor Talk

Sound Proofing Existing Condo Walls

 
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Old 12-02-2018, 02:08 PM   #1
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Sound Proofing Existing Condo Walls


client wants to make his condo into recording studio.
its an old building
we demo`ed all surfaces , and are just studs and rafters.

he`s go us double-5/8 rocking between the studs on the walls are dividing his space from the tenant next door , and the hallways.
also, in between the wood rafters (2x10`S)
we`re using a specialized adhesive on each sheet.

after that we will be putting double 5/8 rock on the surfaces , again with a specialized " green-glue" adhesive.
they will also be on sound isolation clips , and tracks

thoughts or inputs?

do you think the rock between the studs and rafters will make much of a distance , if i`m already installing it on the surface , and on isolation clips
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Old 12-02-2018, 02:30 PM   #2
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Re: Sound Proofing Existing Condo Walls


doubt you will be able to achieve results that your client will be happy with without building stand alone walls with all the sound proof goodies also soundproofing the existing walls.

hat track and a product from roxul will be worth including.


you should also look into fire codes for this project.

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Old 12-02-2018, 02:49 PM   #3
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Re: Sound Proofing Existing Condo Walls


The quiet rooms I have seen had double walls that kept the framing separated, it would reduce sound transfer through the stud walls. Sound dampening insulation was installed as well.

A recording studio will need some acoustic work also.
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Old 12-02-2018, 04:22 PM   #4
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Re: Sound Proofing Existing Condo Walls


The one and only one I've done was a sound proof room within a sound proof room. Wouldn't have been very effective otherwise.
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Old 12-02-2018, 07:13 PM   #5
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Re: Sound Proofing Existing Condo Walls


I think you have a pretty good detail, but it won't block all the low freeqnency sound transfer. Added mass of any type will help with low freeqnency transfer.

What about the HVAC system is it forced air shared between spaces?

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Old 12-02-2018, 08:07 PM   #6
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Re: Sound Proofing Existing Condo Walls


I've had architects spec drywall installed on cleats between the joists with Roxul above... Not sure if it was worth all the work, but I just built what they wanted.

When I soundproof condos (not for studios, but just for quiet living) I go with a lot of Roxul wherever I can stuff it, then either double drywall with GreenGlue on channel with clips, or a layer of Homasote and double drywall with Green Glue.

TradeMark Hardware in upstate NY has a good website with a lot of items available. I use them for clips and automatic door bottoms.
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Old 12-02-2018, 09:48 PM   #7
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Re: Sound Proofing Existing Condo Walls


i`m wrong , client said he wants me to put some type of blanket insulation in after i install the double drywall between the walls-studs , and ceiling rafters.
this job is a struggle
he`s the nicest guy . a doctor. he`s enjoying this project , and wants to do each phase individually.
so i`ve got the permit pulled for 3 months , and all we've done is demo .
he stopped it to research more.
i , as the g.c. on the job , want to make time , and get this sucker going.
but he is kind of one-dimensional. and insists on doing it in pieces.
so i`m pricing as i go , cant even line up subs , because he really doesn`t have finish details , so plumber or electrician can`t get started, can`t een price it out yet. .
doing this 30 years
its totally against me grain
but i`m doing , and then jumping off the job , and doing other projects.
drives me nuts . i`m the kind who doesn`t job-hop.
only thing stopping me from leaving is i was referred by my best friend , plus the doctor is honest , and i know he wont screw me.
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Old 04-04-2019, 05:47 PM   #8
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Re: Sound Proofing Existing Condo Walls


We published this article recently that you might find interesting.

https://qsd-inc.com/privacy/how-to-s...-office-space/

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