Sound reduction by insulating

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Old 08-07-12, 02:52 PM
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Sound reduction by insulating

We have main level room that sits above the basement utility room which houses the furnaces, water heater, and lift pump. The ceilings in the utility room are exposed. Several pipes/duct work run through the expose floor joists as well. We are trying to prevent sount from this room being heard in the main level bedroom above it.

Would insulation in the utility room ceiling help this?
 
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Old 08-07-12, 05:59 PM
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It is possible a good insulation like Roxul will work a little magic. You also should make sure all the appliances are insulated physically from framing members. Everywhere you have a duct or furnace or pump pipe attached to framing, you are transmitting sound.
 
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Old 08-07-12, 07:28 PM
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Thanks. If there is a pipe/duct connected to the floor joists in the utility room simply because that is how they are routed and the connection is required do you have any advice on changing or modifying how they are connected to reduce the noise but still leave the pipes/ducts where they are without re-configuring them?
 
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Old 08-08-12, 03:35 AM
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One way would be to put a rubber washer on top of and below the fastening flange and reinstalling your fastener. That will isolate the vibrations somewhat.
 
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