David Starr wrote:
When setting a toilet, should the bottom of the closet flange be even with the
floor?

If you mean should the flange sit on the finished flooring, yes. If
the flange is just a bit lower than the finished floor you can use a
thicker wax ring.

http://www.thisoldhouse.com/toh/know...0406-4,00.html
http://www.hometime.com/Howto/projec...ing/plum_5.htm

R