When most people install Corian sinks they do not use standard plumber's putty to seal the drain flange to the sink. The oils in plumber's putty often give the Corian finish a constant wet appearance around the drain. Most drain flanges on Corian sinks seal with a clear silicone caulk. Despite the difference in the seal, removing a drain from a Corian sink is not any different than removing the drain from any other sink.
- Skill level:
- Moderately Easy
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Things you need
- Slip joint pliers
- Pipe wrench
- Small block of wood
- Utility knife
Place a bucket or large container under the p-trap of the sink drain plumbing. There is water inside the curve of the p-trap and the bucket catches the water instead of it dropping onto the cabinet floor.
Loosen the slip nut that connects the rear of the p-trap to the sink drain pipe coming from the wall with a pair of slip joint pliers. Turn the nut counterclockwise to remove it from the wall drain pipe. Loosen the nut securing the other end of the p-trap to the drain tailpipe coming from the sink with the slip joint pliers. Pull the p-trap away from the sink and empty any remaining water into the bucket.
Place a pipe wrench around the large nut securing the drain to the sink. Ask a friend to insert the handles of a pair of pliers into the sink drain crosshairs and hold the drain steady. This prevents the drain from turning as you remove the large retaining nut.
Turn the retaining nut counterclockwise with the pipe wrench until you can spin the nut freely by hand. Remove the nut and the two washers from the threads of the drain.
Place a small block of wood on the end of the tailpipe. Tap the board with a hammer to push the drain out of the sink. If necessary, ask your helper to carefully score between the drain flange and sink with a utility knife to cut through the silicone caulk as you are tapping the drain up. Pull the drain completely out of the sink.
Tips and warnings
- Leaving the tailpipe on the drain enables you to tap the drain loose without adding undue pressure to the Corian sink.
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