How to Install a Vessel Sink Part 3 How to Install a Vessel Sink Part 3

What You'll Need
Drum trap
Adjustable Wrench
Pipe Cement
Female Pipe Adapter
Slip Nuts

A vessel sink is a lovely way to change the look of the bathroom while still having a completely functional sink. This style of sink is traditionally found in kitchens and has been transformed to a glamorous counterpart for the bathroom. Normally the sink itself is mounted directly on the counter while the faucet is actually separate from the sink.

Step 1 – How to Attach a Drum Trap

The drum trap is necessary as it stops sewage gases from entering the home as well as catching any heavy bits of debris that might go down the sink. It resembles a miniature steel drum that has a cap. Remove the rubber washer that should be underneath the drain hole. This is part of the drain connection. Apply a caulk ring on the underside of the trap drum. Place it in the drain hole. The caulk should sit on the edge of the drain hole. Replace the washer on the underside of the drain and screw in the tightening nut, but do not yet tighten with a wrench. Wipe away any excess caulk. Apply some pipe cement to the pipe connections and thread the connectors into place. If you are unsure about assembly, try to put it together without the caulk and pipe cement. Once you are successful, use the adhesives.

Step 2 – Attach Drain Arm to Wall Drain Pipe

Place a female adapter onto the drains tube coming out from the wall. The type of adapter will depend on the drain arm and drain pipe ends for your plumbing. Simply hand tighten this into place. Place slip nuts onto the sink tailpiece and the drain arm. Tighten all slip nuts by hand. Use an adjustable wrench to tighten the coupling nuts. If possible pour some water down the drain to ensure there are no leaks.

Step 3 – Test the Sink

Completely test the sink assembly by running water and letting it flow out of the drain. Ensure that there are no leaks from any of the connectors. With a vessel sink it is important that the seal with the drain and the sink is good. Fix any spot that is leaking. If everything looks good then allow it to dry for a 24-hour period before using it.

Mistakes to Avoid

Some of the most common problems that occur is because the wrong type of caulk is used. Caulk will get wet frequently and high quality silicone based caulks are the best as these are waterproof and will not break down when in contact with water. Many times over tightening the drain flange is another problem. This piece is not very durable and will crack if over tightened. Only tighten it about ¾ of a turn past hand tightness.


The material of the vessel requires some thought. Glass vessels can be very breakable and are not recommended for family bathrooms. Thinking about the placement of all of the different components is important as this can solve problems before holes are cut.

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