If the flange is not 1/4" above the finished floor most likely you need a
If you don't have to use moderate pressure to get the base of the toilet to
touch the floor you need a double.
Use a standard wax ring on the bottom and one with the plastic collar on the
top. This refers to the flange and not the toilet.
You almost always need 2 if you have added tile to floor and did not extend
There is a product you can buy besides a wax ring. It is like a rubber donut
that you install around the toilet sleeve. When you place the toilet into
the flange, the donut rolls inside the flange to produce a tight seal. I
installed it about a year ago and haven't had a problem yet. I have an
elderly person with bad knees staying with us and the toilet gets "plopped"
on daily. The wax rings just aren't forgiving enough..
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