bathroom floors

Old 08-27-02, 11:44 AM
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Unhappy bathroom floors

i just recently purchased a house. i just found out the hard way that i have had water damage to one of my bathroom floors. my floor has caved in around the toilet and tub area. i guess you would call it a conventional house where there is no slab. how can i repair my floor in my home.
Old 08-27-02, 01:32 PM
Mike Swearingen's Avatar
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You have to cut out the bad flooring and subflooring with a circular saw back to the center of the nearest floor joists. (Use an old blade. You WILL hit nails. Adjust the depth of the blade so that it cuts the flooring only, and not the joists.)
Replace the subflooring and flooring with new pressure-treated plywood of the same thickness for each. Install a layer of roofing felt between them for a vapor barrier, if you're over a crawlspace or basement.
Before installing the flooring, nail perlines between the floor joists half under the old subflooring, so that you have something to nail the new flooring to between the joists.
The toilet flange should be bolted to the top of the level of the new finished flooring.
Good Luck!

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