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stouto 12-23-2011 08:43 AM

How do you seal plastic overflow drain hole on bathroom sink?
Had an experienced plumber (30 years experience) install a new replacement Briggs Homer 3002 lavatory in my bathroom on November 11, 2011. A new supply line, P-Trap, and pop-up drain stopper was also installed at the same time. I have had plumbers come out three times to fix a small leak at the bottom of the sink/plastic overflow drain opening without success. The pop-up assembly has been replaced and reinstalled with new putty several times. This has been a sink from hell and is giving me nightmares. Photos of the leak and plastic overflow are attached.

The Briggs CS rep asked if silicone sealant was used on the drain pipe that goes into the plastic overflow opening on the bottom of the sink, and if the plumbers had installed sinks with plastic overflows on the bottom of the sink. I know that no silicone was used since I watch them try to fix the leak. Don't know if they have installed plastic overflow type sinks in the past . I have used these plumbers several time in the past and they are competent. Sink installation and other plumbing work is what they do every day.

How should the drain pipe at the bottom of a sink/plastic overflow outlet be sealed?

Thank you.

Oda Stout

Bud Cline 12-23-2011 09:52 AM


Photos of the leak and plastic overflow are attached.


George6488 12-23-2011 11:41 AM

A defective sink ?

Bud Cline 12-23-2011 12:46 PM

Where's the flick?

stouto 12-23-2011 01:16 PM

photos are here
5 Attachment(s)
Uploaded photos, don't know where they went. I will try it again. Sorry.

Bud Cline 12-23-2011 01:22 PM

Can't say I have seen one like that before. Looks as if someone had a better idea huh?

So is the leak coming from the end where the pipe is attached and where it says DO NOT OVER TIGHTEN?

plummen 12-23-2011 01:23 PM

i can see no problem with the install from your pictures :wink:
maybe try a differant sink

TheEplumber 12-23-2011 03:08 PM

Looks good to me. Send those pictures to the Briggs rep. Ask him for the fix.

ben's plumbing 12-23-2011 07:47 PM

looks like a very clean installation to me ...briggs rep should see install so he can tell us whats wrong with it......

COLDIRON 12-24-2011 07:28 AM

Is it leaking where the black check mark is or is it leaking where the pipe is connected to the sink??

stouto 12-24-2011 08:34 AM

It is leaking where pipe is connected to drain. The plastic overflow is glued to the sink with what looks like silcone.

Lightfoot 12-24-2011 09:12 AM

i'd loosen it, coat both sides of that rubber washer with plumber's grease, then snug it back up good. They may have not tightened it enough to begin with.

COLDIRON 12-24-2011 10:16 AM

removed comment

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