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Does anyone have any experience in using carpet to soundproof a floor. Like many log houses our bedroom is under a second floor BR that has our ceiling as its floor. Sound travels perfectly between them and we are looking for some abatement. Does anyone have experience using soundproofing carpet pads under a carpet or rug. Does it have any significant advantages for the extra cost and does it work a little or well. The large rug up there does almost nothing and I'm looking for input before I plunk down a lot of money to redo the room. Thanks for your help...Dave

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A few more facts may be useful as noise can come from many sources. Is the floor itself moving thus tranmitting the sound from movement above? If so perhaps it needs to be screwed down better to start with and a very thick, soft pad used to absorb the movement along with a thick carpet such as the shags that are coming back in style.

A drastic solution and not necessarily practical may be to add another plywood layer to stiffen the floor before redoing the carpet and padding. Some of the floors are tongue and groove 2 x 6 but some used only 1 x 6.

Is it sounds that might be coming from a common return duct in some manner?

If voices and such versus movment are the problem then perhaps the room itself needs some sound absorbtion added to it in the form of wall decorations,curtains etc. Noise absorbing padding is available such as the type used under car carpets. On boats they use a very expensive foam/foil/foam pad but these are there for noise absorbtion not floor movement. They both use foil to keep the noise from penetrating.

Depending on the source of noise as mentioned it might be best to invest in a couple of yards of material and experiment.

Dave, I'm wondering if you have any updates for us on what you tried and how it worked? We're encountering the same problem.
Try We used it in our model with decent success. These mats are about 7/16" thick. Noise transmits through nails mostly. So this underlayment is glued to 2nd floor subfloor and finish flooring is then is glued on top of this. Carpet will work on top too. We used some nails to get Hickory finish floor started, but most of it is "floating" and it helps.
I hadn't found any solutions so far but the acoustiguard sounds promising. Chris which product did you use for an upstairs bedroom. I don't have any extra ceiling height as it is a dormer room so I can't add too much in the way of a subfloor. Also do you have any estimate on cost for a 10 x 12 room? Dave
We used the Duracoustic underlay and it's been (5) years. Can't recall price per square foot, but it was reasonable. Shipping from Ontario back then. It added 7/16' thickness to floor (plus carpet or hardwood finish). Good option for existing.

For new, we try to build a "sleeper floor" of 2x6 or 2x8 on top of the heavy timbers. Granted it is redundant and takes up more headroom, but benefits for concealing plumbing, can lighting, ductwork, wiring and sound make it worth the cost.


Just looking for answers to the same noise reduction dilemna you faced. It's finally time to install wall to wall carpet for my 2nd floor. We've been living with the T&G main floor ceiling as our 2nd floor flooring while we finish bigger projects. Now the time has come to carpet and I'm overwhelmed by all of the advice and choices yet have lived through 2 years of hearing the 2nd floor goings on so know I need a very good sound proofing strategy. Are you happy with what you used? If you would recommend it, what did you use? Any learnings are appreciated even though it has been some time since you faced this dilemna, I appreciate your time and insights.


Regipul RBM is a great product for sound reduction. What i like about this product is it is made of recycled tire rubber and can be installed under wood or carpet. We have used it on some condo units and have it specified on a home we are about to do. We have used Cork on occasion as well. Feel free to call me at my office on wednesday and ill give you some more info on sound proofing. Regards.... 818 7260091

Dave, We have used untreated tarboard with pretty good success and it is inexpensive. It comes in 4' X 8' sheets X 7/16" thick.

Hi Tim, didn't you recommend nailing that tar board to the framing then a seperate lathe strip for the drywall to attach too, in an old post ? I thought I had it right, please refresh my memory, Thanks

If you want to get the soundproof room you can use any type of noise barrier wall which is most effective for reduction of all kind of noise from your room you can also use insulated tarps from your room.


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