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re: subfloor and floor replacement

Posted on 6/13/22 at 11:35 am to
Posted by keakar
Member since Jan 2017
30138 posts
Posted on 6/13/22 at 11:35 am to
quote:

Just learned that my subfloors may be rotten due to lack of proper ventilation under the house.


sorry, i have no helpful info to offer


but stories like this are what really scares me about insulating a raised house

i have looked into spray foam and other solutions but the moisture barrier it creates seems to be more of a negative then the hvac loss coming from the floors

so far i have done nothing because, quite frankly, im afraid to cause more issues by trying to insulate my floors
Posted by The Hamburglar
McDonaldland
Member since Jan 2005
3296 posts
Posted on 6/13/22 at 1:08 pm to
This has nothing to do with insulation...The house is maybe 2 feet off the ground, but apparently there was not enough ventilation with the small portholes/cutouts that are around the brick foundation. The house is 70 years old, and redone after Katrina. I'm not sure where the "moisture" is coming from, but the expert assumed it just came up from the ground underneath the house.
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