Author Topic: Sound proofing a raised foundation  (Read 3762 times)


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Sound proofing a raised foundation
« on: March 25, 2017, 03:45:35 AM »
I'm in the middle of a major remodel. This is a one story ranch style, the older part of the house Is a raised foundation and with the old hardwood floors it was very echoey when walking across the middle part of the floor. The areas where tile were it was much more muted. The new flooring will be engineered wood flooring. At the moment we only have the original sub floor down. What can we put down or under the house to absorb some of the echoing when walking on the new floor?  ???

Randy S

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Re: Sound proofing a raised foundation
« Reply #1 on: March 27, 2017, 04:08:04 PM »
There are a couple of things that can be done.
1) you can use hardie backer 1/2" before the wood flooring to get rid of some of the boom when walking.
2) you can do joist blocking under the floor to stiffen up the floor from deflection.

if you are trying to address the echo in the house this would require 30% soft surface just to notice a change in the interior echo.

Randy S.