Toilets, Sinks, Showers, Tubs and Disposals - Basement sink - leak

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treins
06-29-04, 11:35 AM
My basement sink drains down through a drain pipe and into the floor.

I have recently started noticing water on the floor and found the source to be right where the drain pipe meets the floor. At this area, there is some kind of sealer around the pipe. I would guess the previous owner did this to control a leak from an old pipe that is wearing through. There is a small area of this sealer where the water is seeping through. Can I just add some kind of sealer to this spot to control the leak, or is there a bigger problem underneath that I need to worry about?

I've only noticed the leak when larger amounts of water are drained (the washing machine drains into the sink). With smaller amounts, I have never noticed any leak.

thanks for any advice.

majakdragon
06-29-04, 06:58 PM
Not knowing all the specifics,all I can do is guesstimate.The sealer around the pipe....is it sealer or a collar going down into the concrete? It should have had a "buffer" to prevent the pipe from touching the concrete so expansion would not break the pipe. I am going to assume that the pipe is cast iron rather than steel.Expansion could have caused it to crack....or worse yet,break.This choice is yours.You can "re-seal "the sealer with silicone and hope for the best or start breaking out concrete.If it is only a small amount of water when large amounts are being sent through the pipe I would patch it and see if ,later,water starts flowing up around the sealer.Good luck and post back