Soundproofing a wall


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Old 11-03-11, 02:00 PM
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Soundproofing a wall

Hi all

I happen to have a very light sleep and very unfortunate furnace location.
It is installed right behind our master bedroom wall, about my head-on-a-pillow level.
As I get older, sleep gets more and more sensitive. Hence, I am truly desiring to soundproof that wall.
We have most of the wall canceled by a large bedroom set.
Hence, I could easily put something on that wall to damped noise.
What do you recommend? Looking into the future and house sale, I'd rather have something that can be easily removed, without major wall damage/repair. Must be easy DIY.
 
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Old 11-03-11, 04:18 PM
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I take it that insulating the furnace side of the wall isn't an option ??

A heavy drape hung on the wall will do a lot for noise dampening and wouldn't take much to get it back to the original wall - just remove the brackets and spackle the holes.
 
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Old 11-03-11, 06:45 PM
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I already have that gap filled. didn't do much though. we have a new one, 2 days after install, it's much quieter than old Payne, but still fairly loud.
heavy drape as in? carpet? in-law is carpet installer. hmmm... I have roll of carpet sitting in garage, I can simply unroll it behind the furniture...
 
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Old 11-03-11, 06:49 PM
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Get some quiet rock and install it over the existing drywall. You won't have to worry about removing it because no one will know it is there.
 
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Old 11-03-11, 06:51 PM
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ukrbyk -

Check your electrical outlets since they can transmit a lot of sound. Since the other side of the wall is probably a utility room, there probably is no direct path unless the walls are not rocked, but you never know.

Dick
 
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Old 11-03-11, 07:28 PM
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it's garage on the other side.
quiet rock sounds very tempting, but it means I'll have to stud current wall, rock it, and paint. oh, and will have to do that goofy texture spray on thing too. THAT'S A PROJECT all at a sudden.
hmmm... maybe i need to quiet rock the GARAGE wall instead? it's garage, who gives.
and there's a good 3/4 inch gap between furnace and wall. I can easily slide quiet rock sheets in there. basically, put a sound proofing patch, 4 feet away from furnace edges,onto garage wall... I can do that..
 
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Old 11-05-11, 11:20 AM
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Treating the furnace side as marksr suggested would be best. Keep the vibration from entering the original framing, where it can be conducted through the walls, ceiling, and floor.

Consider using standard 5/8" drywall. Weighs 70+ pounds and costs $7. Great, cheap mass. Also consider picking up a tube of Green Glue and use that between the old and new drywall. Screw in place. Much heavier solution than the previous specialty drywall and much, much cheaper.
 
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Old 11-05-11, 01:32 PM
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thanks, folks. got furnace side of the wall carpeted. the way it is, it would have been very very hard to slide anything between furnace and wall, if it's not flexible.
next will carpet inside wall as far as it's covered by furniture.
it's not too bad as is now.
 
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Old 11-06-11, 05:48 AM
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I don't know if it's the best idea to put a carpet on a wall 3/4" away from the furnace!!!!! Ok I'll go ahead and say it's a horrible idea. It could catch fire and burn your house down.
 
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Old 11-06-11, 06:30 AM
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Originally Posted by coops28 View Post
I don't know if it's the best idea to put a carpet on a wall 3/4" away from the furnace!!!!! Ok I'll go ahead and say it's a horrible idea. It could catch fire and burn your house down.
furnaces are designed to work inside a closet. go touch yours, while it's at full blast, anywhere you want to, and you'll find it lukewarm at the worst. carpets do not catch fire, they melt. even paper in this country does not want to burn well.
btw, had my installer here friday, they swapped out t-stat for a better one. he re-confirmed same - you can put furnace into a very confined space, and it will not burn or scold anything.
 
 

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