Rotten floor under toilet....


Old 03-02-02, 01:07 PM
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Rotten floor under toilet....

I found perfect instructions for replacing the seal on my toilet however the floor beneath is pretty rotten. It doesn't look like I need to fix the basement ceiling, just the top layer of floor. What is the best way, and do I complete tiling before I set my toilet back in?
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Old 03-02-02, 04:41 PM
Join Date: Dec 1999
Location: Northeastern NC On The Albemarle Sound
Posts: 10,952

You should have a layer of flooring and a subflooring layer.
Apparently, just the flooring is rotted.
To remove it and replace it, you will need a circular saw with an old blade (you WILL hit nails), safety glasses, a flat pry bar and a hammer.
Adjust the depth of the saw blade to the depth of the flooring (probably 5/8"). Cut the rotted section out back to the center of the nearest floor joists.
Cut a piece to match it, and nail it to the floor joists.
Lay our tile before installing the toilet. You will need to raise the flange to sit flush on top of the tile layer. You should be able to cut the drain pipe under the flange and add a Fernco coupling to give you more pipe space to raise it.
The flange needs to be bolted to the floor, so you will need a small masonry bit to drill the two anchor holes for the flange in the tile.
Good Luck!

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