Good evening folks, hope someone might be able to help?
OK, this might seem daft, but I'm missing something here.
I have shiny new bathroom basin with a push button waste (One of those clicky things), but the waste is confusing me.
It only came supplied with one soft, thin, angled rubber washer for the inside fitting to the interior of the basin, and the 50mm AF plastic nut for the underside, but no more washers or seals. Now this is a slotted waste and the basin has an integral cast overflow that returns into the main drain hole, so the waste will see water on the inside and the outside and therefore the thread will need to be watertight as well as the face of the nut.
Am I missing something daft here? I've Googled this but can't find any info, and all the images I can find also seem to show just the single rubber washer.
How do I seal this thing?
Thanks

Hmmm, finally found a thread when I removed the push button bit from my search, and it seems the nut will need a sealant of some sort. I have silicon and Plumbers Mait putty. Could anyone confirm as to
a) Should I definitely seal it with one of these
b) Which one would be best?


Thanks again

What we do is put a bead of silicon around the flange, and the cone shaped washer on the outside.

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Thanks Scruff, I did try the cone shaped washer around the outside in case I had it wrong, and just to see how it sat, but it's too small for the outside, as soon as started to run the nut up to the face, it just collapsed the washer immediately and started to push it back up the drain.
But that would still not work anyway as that would only seal the face of the nut and not seal the thread, which will also leak. I'm not sure if my explanation was very clear (No change there!!!)

PS, Of course I could also be totally misunderstanding what you meant too. :o(

Typical, NOW I'm finding loads of stuff, just found this bit here
http://www.ultimatehandyman.co.uk/diy/p ... itting.htm

Looks just the thing

Forget the washer on the inside, silicon to stop the water running out of the basin is fine, the cone shaped washer goes on the bottom as shown.

You don't need any sealant on it or the thread, it pulls in as you tighten it.

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Thanks Scruff