what's the consensus on the best way to do this? my powder room remodel was roughed in some time ago. there is a lead bend extending 14" above the finished floor. it is attached to a CI waste line with a SS banded coupling. the finished floor is ceramic tile with space left by the tile setter to attach the closet flange to the subfloor. a plumber suggested removing all but 1.25" of the lead bend that extends above the floor. place the closet flange over the lead bend and secure same to the subfloor. using a smooth faced hammer, gently, being careful not to tear the lead, tap the lead onto the closet flange, effectively "flaring" the lead onto the closet flange. there is no need to join the lead and the closet flange using heat, as in brazing or sweating, or whatwever the correct technique is called. have i been advised correctly? thanks.
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setting closet flange over a lead bend