building a new house and wanted some tips for soundproofing laundry room.
builder is putting r13 oc fiberglass between the walls. is there some major difference with the noise solution material that oc sells vs the regular pink fiberglass insulation?
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Just putting r13 bats between the 2x4 studs seperating the rooms isn't going to do much. Depending on where that room is, on what kind of floor, you may want to pour a small slab for the laundry units to stand on (especially for front loaders if this is on the 2nd floor). The walls need physical disconnection to really cut out sound, and they need to be sealed tight too.
One suggestion: plan on a 1 3/4" solid core door with a weatherseal strip around the frame - ir really cuts down on sound transmission there.
Rebuilding my home in Cypress, CA
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Sound proofing is not easy, and not cheap.
Be certain that the floor system is almost as stiff as concrete. Then use resiliant channel on the studs before hanging the drywall. Next, be sure that the door is made from 2" thick balsa -- like that used in the music industry,a nd that it's properly weatherstripped. And finally, install an HVAC system that is completely separate from the main house system, being sure to let in enough air so that the dryer can suck up huge amounts of it.
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Fiberglass thermal insulation is not dense enough to attenuate sound much. A good solution would be to use sound deadening drywall. It's quite expensive, but won't be bad for a small laundry room.
One problem you'll have is with ventilating the room. You have to provide make up air for the dryer, and any opening to provide the air will let the sound out.
Why so concerned with noise? The best solution is to put the laundry room where the noise won't bother you. Modern appliances are not very noisy anyway.