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

Mark

08 Dec, 2025

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A » To properly seal a sink drain flange, first clean the area thoroughly. Apply a bead of plumber's putty under the flange, then press it firmly into the drain hole. Install the rubber gasket and locknut from underneath, tightening securely. Remove any excess putty that oozes out and ensure the flange is aligned correctly. This method provides a watertight seal, preventing leaks effectively.

Michael

08 Dec, 2025

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A »To seal a sink drain flange properly, 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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