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Q » How do you seal a sink drain flange correctly?

Mark

08 Dec, 2025

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A » To seal a sink drain flange correctly, first clean the sink's surface and the flange. Apply a thin layer of plumber's putty around the flange's underside. Insert the flange into the sink drain, press firmly to set, and remove excess putty. Secure the flange with the washer and nut from underneath. Finally, tighten until snug, ensuring a watertight seal without over-tightening.

Michael

08 Dec, 2025

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A »To seal a sink drain flange correctly, apply a thin layer of plumber's putty around the flange, then press it firmly into the sink drain hole. Tighten the locknut from underneath, and wipe away excess putty. Ensure a watertight seal by checking for leaks with water.

David

08 Dec, 2025

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