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Soundproofing Top Of Glass Partitions Question

 
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Old 12-17-2019, 08:40 PM   #1
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Soundproofing Top Of Glass Partitions Question


customer has an office space on the 6th floor.
they need soundproofing

the space is divided into 4 separate offices , by glass partitions, with aluminum frames .
ceilings stop 2 feet short of the cement ceiling.
they want me to close that space up , and soundproof as well as possible.
initially , on the phone , i told them i could build a stud wall partition to the ceiling , insulate it, then install soundboard on each side and drywall over that, and skim smooth.

when i got there , i found sheet metal a/c ducting ( a lot ), fire sprinkler-piping , electric , and plumbing pipes going in all directions, everything is exposed .
again , a lot ,
found out 2 other contractors came in , and priced it $2000 more or higher, they were planning on re-ducting , and moving pipes , shutting them down , and having to shut water off in the building.


so i told him i could possibly make panels in place , and cut around all the items as i went.
then i could install double soundboard , and 5/8 drywall on them .
my way , they can technically still work there as we do this
i told him it won`t be sound-proofed , but more sound-restricted

any better ideas?
is drywall more soundproofed than sound board? cork?
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Old 12-17-2019, 09:33 PM   #2
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Re: Soundproofing Top Of Glass Partitions Question


quiet rock, roxul and green glue

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Old 12-17-2019, 09:39 PM   #3
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Re: Soundproofing Top Of Glass Partitions Question


Wasting your time and their money.

Your issue is the glass and aluminum frames.

Its an expensive fix.
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Old 12-17-2019, 09:45 PM   #4
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Re: Soundproofing Top Of Glass Partitions Question


Cut drywall around pipe then tape it tight. You could even spray foam it. With that said, I think Griz is right the sound is more than likely a glass and frame issue. Hard to believe just closing off the top will solve their issues. They arenít going to be happy to pay for something that didnít work and thereís a good chance it wonít. Imo


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Old 12-17-2019, 10:46 PM   #5
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Re: Soundproofing Top Of Glass Partitions Question


Won't it have to look decent? I think what you described won't.
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Old 12-17-2019, 11:15 PM   #6
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Re: Soundproofing Top Of Glass Partitions Question


Once you make a room ( a cubicle that the walls go all the way to the ceiling ) the fire suppression system needs to have a head in there
Then of course the other heads may need to be relocated.
I am no expert in suppression systems but I think 8 ft is the distance for each head.
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Old 12-18-2019, 05:48 PM   #7
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Re: Soundproofing Top Of Glass Partitions Question


Quote:
Originally Posted by sunkist View Post
Once you make a room ( a cubicle that the walls go all the way to the ceiling ) the fire suppression system needs to have a head in there
Then of course the other heads may need to be relocated.
I am no expert in suppression systems but I think 8 ft is the distance for each head.
It may well be 8 feet is the distance for the spray so head separation is 16 ft
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Old 12-18-2019, 08:46 PM   #8
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Re: Soundproofing Top Of Glass Partitions Question


I did a doctors office last year with the same problem. It was a Reno and they had two furnaces above the tbar.

We ended up installing a noise canceling machine above the ceiling grid that helps a fair amount.
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Old 12-19-2019, 08:01 AM   #9
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Re: Soundproofing Top Of Glass Partitions Question


I've had requests for several sound proof offices.

In my experience it can't be done. Sound proof rooms can be done, but they are expensive and require alot of space. In offices they don't want to pay for sound proof. Just a sound proofing door will be over $3000.

In your case, it is a no win situation. The glass and doors can't ever be improved. You've also got the fire suppression issue and heating and cooling in the offices.

Can pretty much guarantee they will never be happy with the sound emissions.

I am interested in the noise cancelling machine.
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Old 12-19-2019, 08:09 AM   #10
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Re: Soundproofing Top Of Glass Partitions Question


Quote:
Originally Posted by builditguy View Post
I've had requests for several sound proof offices.

In my experience it can't be done. Sound proof rooms can be done, but they are expensive and require alot of space. In offices they don't want to pay for sound proof. Just a sound proofing door will be over $3000.

In your case, it is a no win situation. The glass and doors can't ever be improved. You've also got the fire suppression issue and heating and cooling in the offices.

Can pretty much guarantee they will never be happy with the sound emissions.

I am interested in the noise cancelling machine.


Iím not expert but it essentially listens and sends out a counter wave to the sound it hears.

I canít find the specs on the one that I installed. It was a simple plug and play set up.
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Old 12-19-2019, 08:11 AM   #11
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Re: Soundproofing Top Of Glass Partitions Question


As tempting as it might be to dive in to align yourself as the go contractor, commercial work requires a permit.

Which in turn hands off design responsibility. Better off, plus all of the mechanical's need to addressed. Not cut and dry
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Old 12-19-2019, 10:56 AM   #12
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Re: Soundproofing Top Of Glass Partitions Question


Quote:
Originally Posted by builditguy View Post
I've had requests for several sound proof offices.

In my experience it can't be done. Sound proof rooms can be done, but they are expensive and require alot of space. In offices they don't want to pay for sound proof. Just a sound proofing door will be over $3000.

In your case, it is a no win situation. The glass and doors can't ever be improved. You've also got the fire suppression issue and heating and cooling in the offices.

Can pretty much guarantee they will never be happy with the sound emissions.

I am interested in the noise cancelling machine.
can be done, I used to do a lot of trim work for a large law firm, they had 3 large sound proof conference rooms and 5 or 6 tiny 6x8 rooms all glass walled the small rooms had frosted glass, large rooms clear glass.

insulated glass, wood supports, 1 3/4 solid core doors with exterior weatherstripped jambs and no sill, carpeted floors, cloth covered homosote over drywall on the walls

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