Re: Sewer backup caused leak at toilet?
Posted by e-plumber on December 11, 2003 at 07:27:55:
In response to Re: Sewer backup caused leak at toilet?
: Our main sewer lateral backs up every couple of years, and this time the backup forced a leak at the base of a newly installed toilet. This toilet had not been leaking or showing any other signs of an improperly installed wax ring, but am I right to assume that there is an installation problem? Should the wax ring prevent water that is being forced up the drain line from leaking out of the toilet base in addition to that water which is dispeled during the flush?

During a main line stoppage it is not uncommon for sewer water to appear at the base of a toilet and or possibly overflow from it.
A wax seal may or may not create a water tight seal in between the toilet and closet flange. The weight of the water can possibly squeeze through any imperfections in the seal.
Good Luck. e-plumber

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