04-28-2008, 07:52 AM
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Deity
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Join Date: Apr 2004
Location: Sharon, PA, USA.
Posts: 2,159
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The wax gasket surface of a closet bowl is 1/2" above the base of the bowl.
The top of the closet flange should be not less than 1/4" nor more than 3/8" above the finished floor, which then leaves 1/8" to 1/4" to be made up by the wax ring.
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