Fixing Kitchen Sink Leak: Sealing Accordion Drain Pipe & Wall Connection

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#1 18230606 21 Oct 2019 09:13

Anonymous Anonymous

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Post #1
18230606 21 Oct 2019 09:13

I got a leak in the drain pipe from the kitchen sink. The siphon looks like this:

And this pipe with an accordion goes into the pipe that's in the wall and looks something like this:

More or less, because it's hard to say exactly, because it's practically all inside the wall and you can't see much of it. In any case, it is dripping at the joint of these pipes. It seems that the folded one is simply inserted into the wall and it moves quite freely in it: / There is no strength for me to be able to replace the seal in the one in the wall, because it is behind the cupboard under the sink, and even the end of this pipe is somehow oblique to the plane of the wall and partially enters it. I can only take the accordion out, clean it and, if necessary, stick it with something, if I do not know what ...
Is there anything better than silicone or maybe some other idea to do without calling a plumber?
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#2 18230643 21 Oct 2019 09:41

jerry1960 jerry1960

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Post #2
18230643 21 Oct 2019 09:41

It is no coincidence that the harmonica is 40 mm in diameter and the pipe in the wall is 50 mm in diameter. You can fold the end of this pipe with an accordion with sealing tape so that it fits snugly into the pipe in the wall. You can also try to make a donation.

Moderated By retrofood:
Alternative technique where dung is put together?
#3 18230676 21 Oct 2019 10:00

Anonymous Anonymous

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Post #3
18230676 21 Oct 2019 10:00

jerry1960 wrote:
It is no coincidence that the harmonica is 40 mm in diameter and the pipe in the wall is 50 mm in diameter
I don't know, it is possible, although the backlash doesn't seem that big. I haven't taken it out yet because I want to buy some sealant first. Well, I'm not sure what exactly. Is ordinary sanitary silicone or is there something better? Somehow I am not convinced of silicones, because they never want to stick to what they should do
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#4 18230700 21 Oct 2019 10:12

mariuszp19 mariuszp19

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Post #4
18230700 21 Oct 2019 10:12

betmari wrote:
because they never want to stick to what they're supposed to do

Silicone will do the trick, you just need to thoroughly clean the surfaces and dry them. After applying the silicone, do not release the water for several hours so that the silicone dries well. The drying time depends on the thickness of the layer. If, as you write, the play is small, then silicone, if it is like your friend @ jerry1960 wrote, these are reductions that must be applied. Without undressing and looking at it, it is just a guess.
#5 18230760 21 Oct 2019 10:55

Anonymous Anonymous

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Post #5
18230760 21 Oct 2019 10:55

These tubes are made of polypropylene and the silicone is not very sticky, so first paint the tube with butaprene and only after it dries thin silicone and let it polymerize. You can already put a proper layer on such a foundation.

Moderated By retrofood:
It is supposed to be "disassembled", not lubricated, no matter what.
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#6 18233655 22 Oct 2019 19:55

palmus palmus

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Post #6
18233655 22 Oct 2019 19:55

I don't think the silicone will last, in my opinion only replacing the black gasket will do the trick.
#7 18234143 22 Oct 2019 22:50

Lisek64 Lisek64

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Post #7
18234143 22 Oct 2019 22:50

Or the gasket has hardened (overgrown with stone) and the author of the topic does not have the strength to push the stub into the drain. Brush the end of the harmonica with dishwashing liquid and try again
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#8 18234294 23 Oct 2019 00:32

Anonymous Anonymous

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Post #8
18234294 23 Oct 2019 00:32

palmus wrote:
I don't think the silicone will last, in my opinion only replacing the black gasket will do the trick.
Only the access there is so difficult that I would rather not be able to pick it out :(

In general, I picked up the siphon, because it was somehow low and the accordion pipe was quite horizontal. Now it goes diagonally and it has stopped dripping, so I still haven't pulled it out yet.

And what do you think about sealing with something like this: https://archiwum.allegro.pl/oferta/penosil-si...karski-bitum-sealant-penosil-i6882374496.html - the packaging says that it also sticks to wet surfaces
#9 18236128 23 Oct 2019 22:32

telecaster1951 telecaster1951

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Post #9
18236128 23 Oct 2019 22:32

jerry1960 wrote:
You can fold the end of this pipe with an accordion with sealing tape so that it fits snugly into the pipe in the wall. You can also try to make a donation.

Jesus .... Sculpture in shit is blooming! The socket-socket connection is not glued. I wonder what you will do when changing the siphon? Will you cut? Because you can't break the silicone.

betmari wrote:
I don't know, it is possible, although the backlash doesn't seem that big.
Measure in your hand and measure the diameters of both pipes. As the same, it is the gasket in the drain to be replaced. If it is impossible to replace, the plumber will help.
Don't think about gluing it at all. It's a waste of money and time, because it will open anyway. Replacing the gasket on the flare will help permanently.
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#10 18236285 24 Oct 2019 00:36

retrofood retrofood

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Post #10
18236285 24 Oct 2019 00:36

palmus wrote:
I don't think the silicone will last, in my opinion only replacing the black gasket will do the trick.

Exactly! This type of case is handled in the simplest way, i.e. making it as predicted by the manufacturer with the use of the right quality elements.

Added after 8 [minutes]:

betmari wrote:

palmus wrote:
I don't think the silicone will last, in my opinion only replacing the black gasket will do the trick.
Only the access there is so difficult that I would rather not be able to pick it out

There is no "I can't do it" option. This gasket is already thrown away, so any method of gouging it out is possible.

betmari wrote:

In general, I picked up the siphon, because it was somehow low and the accordion pipe was quite horizontal. Now it goes diagonally and it has stopped dripping, so I still haven't pulled it out yet.

It is also possible and you did it correctly. Only all the nuts in this siphon must be slightly tightened (tightened).

betmari wrote:

And what do you think about sealing with something like this: https://archiwum.allegro.pl/oferta/penosil-si...karski-bitum-sealant-penosil-i6882374496.html - the packaging says that it also sticks to wet surfaces

This is glass wiping. And your siphon doesn't look like a roof at all.
#11 18236319 24 Oct 2019 01:42

misiek1111 misiek1111

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Post #11
18236319 24 Oct 2019 01:42

betmari wrote:

Only the access there is so difficult that I would rather not be able to pick it out

If you can't pick out the gasket, how would you like to make the seal with some silicone or other g ..?
I would bet the gasket seized and leaks. If so, you'd have to take it out, clean the groove and gasket, and put everything on something slippery.
Take a picture of that pipe in the wall.
#12 18236323 24 Oct 2019 01:49

Anonymous Anonymous

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Post #12
18236323 24 Oct 2019 01:49

retrofood wrote:
This is glass wiping. And your siphon doesn't look like a roof at all.
It does not resemble, but I am afraid that I will not be able to tear out the old gasket, and thus I go to dry and clean the outlet of this pipe in the wall. Unlike regular silicone, this roofing product can be applied to wet surfaces, which is why I thought it might work. Apparently, the consistency resembles silicone and sticks well to everything.
Can you give some specific arguments instead of joking? Why doesn't it work? At least I'll find out something ...

misiek1111 wrote:
If you can't pick out the gasket, how would you like to make the seal with some silicone or other g ..?
I can put silicone or "other g" on the accordion pipe, which goes into the one in the wall and which I can take out, clean, etc. What is in the wall, only the hole itself can be seen, and at an angle, so that partially its edge it's in the wall and it's all behind the cupboard under the sink, so you'd have to crawl into the cupboard
#13 18236486 24 Oct 2019 08:58

retrofood retrofood

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Post #13
18236486 24 Oct 2019 08:58

betmari wrote:
Silicone or "other g" can be applied to the accordion pipe that goes into the wall

This accordion part may not end up inside the pipe.
However, if you do not like my advice, then do it yourself. There is no obligation to apply them, and there is no criminal liability for ignoring them.

Added after 1 [minutes]:

betmari wrote:
The one that is in the wall, you can only see the opening itself, and at an angle, so that its edge is partially in the wall, and all this is behind the cupboard under the sink, so you would have to climb into the cupboard

Seriously? And I thought that siphon was somewhere in the living room.
#14 18236496 24 Oct 2019 09:05

Anonymous Anonymous

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Post #14
18236496 24 Oct 2019 09:05

retrofood wrote:
This accordion part may not end up inside the pipe.
I do not understand? After all, it is just now that the harmonica goes into the one in the wall. Of course, only this smooth part of the accordion pipe is inserted into the pipe in the wall, but this is probably obvious. I thought I'd get it out of there, clean it, and coat it on the outside with some kind of silicone, and then put it back in the wall. What else could I do if this is what it looks like?
And I did not write that I did not like them, but only asked for a justification. I like to know why, instead of mindlessly following orders. Well, if you don't want to share your knowledge, it's hard
#15 18236557 24 Oct 2019 09:40

retrofood retrofood

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Post #15
18236557 24 Oct 2019 09:40

betmari wrote:

retrofood wrote:
This accordion part may not end up inside the pipe.
I do not understand? After all, it is just now that the harmonica goes into the one in the wall. Of course, only this smooth part of the accordion pipe is inserted into the pipe in the wall

So it's okay, I misunderstood your text.
#16 18236697 24 Oct 2019 11:03

palmus palmus

Level 34

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Post #16
18236697 24 Oct 2019 11:03

1. Photo of what is in the cupboard.
2. It is possible to climb into each standing cabinet.
3.The quickest, surest and easiest seal is the easiest way.
Unless you want to forcefully accept your idea.
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#17 18236734 24 Oct 2019 11:28

klamocik klamocik

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Post #17
18236734 24 Oct 2019 11:28

A specialized roofing sealant, about PLN 20 works with water, seals and never dries up.
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Topic summary

A user reported a leak in the kitchen sink's drain pipe, specifically at the joint between an accordion drain pipe and the wall connection. Various suggestions were made regarding sealing methods, including the use of silicone sealant, butaprene for better adhesion, and specialized roofing sealants that can adhere to wet surfaces. Some responses emphasized the importance of replacing the gasket rather than relying on sealants, as silicone may not provide a long-term solution. The user expressed difficulty accessing the joint due to its location behind a cupboard. Ultimately, the discussion highlighted the need for proper sealing techniques and the potential necessity of professional assistance if the gasket cannot be replaced.
Summary generated by the language model.