As a licensed master plumber, I have learned over the years that the best seal occurs when the top of the toilet flange is a quarter of an inch higher than the finished flooring.

How To Create A Watertight Seal When Repairing A Toilet If your toilet has a crack, a two-part epoxy sealer is much better than plumber's putty, as it creates an effective watertight seal in the ...

Homefix: Dwight Barnett answers home-improvement questions. This week's topics are on changing a toilet seal, adding a remodeling flange and unclogging a pipe.