Toilet - sealing flange to slab

Do toilet flanges have to be sealed to the slab? Does the flange have to be sealed to the sewer pipe? Can mould get under the linoleum from other than the wax seal?

Reply to
Blue
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The flange has to be mechanically attached. A 'seal' (as in watertight) is not necessary.

Yes.

Not likely.

Reply to
Abe

Abe

The average bathroom has plenty of other moisture sources besides the toilet.

Reply to
David Martel

What about a high water table? What about a broken drain pipe and a downstream pluggage? Seems like either could give infiltration of sewage water. Also seems that either could be prevented by sealing the flange to the slab.

Reply to
Blue

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