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WATER SEEPING OUT OF JOINT

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llamekuf | 16:41 Sun 21st Nov 2010 | DIY
13 Answers
I have water seeping out of a vertical joint where a screw on a pipe meets a nut.

I have PTFE tape on it and Plumbers Mate - which I have found is very difficult to put

around the joint - is there anything else that I could use, some kind of spray perhaps or

a water proof seal.

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I don't understand your description. Does it look like this item?

http://www.screwfix.c...pling-15mm-Pack-of-2#
Question Author
If that item was vertical and a pipe was screwed into one of the ends then that would

be something similar. Where they meet would be where the leakage is.
If it's still leaking ...

Turn off the water.
Disconnect the joint
Cut off the old olive.
Clean the pipe with steel wool.
Put a new olive on the pipe.
Use a small amount of PTFE tape.
Tighten the joint.

Plumbers Mait isn't necessary for this type of joint.
I have to add, what a superb answer!!
Question Author
Thank you all.
Yes, the point is that you will never stop the leak by wrapping or spraying anything on the existing weeping joint - you HAVE to dismantle the thing and start again.
Question Author
Thank you buildersmate.
Naz how can you cut off a section renew the olive and then rejoin a fixed pipe they dont stretch also where are you to turn the water off surely it needs to be investigated before you go and undue any fittings.
Is it hot is it cold is it part of the central heating that will need to be drained down, llamekuf be very care-full if you dont want to be flooded out.
When you find how to isolate and there is no more water issuing from the nut of the fitting as scotman pointed out,very carefully undo the nut that has the leak making sure you have plenty of old towels/buckets around,in case water comes out and you have to do it back up quickly,if you can clean between the olive and the fitting body put 3or 4 turns of ptfe tape round at this point ,tighten the nut to trap the tape between the fitting and olive.
You could be very brave however and just try to tighten the nut up by holding with two adjustable wrenches,one on the nut one on the body, but i would still isolate the water in case it goes wrong. HTH Tez
Yes, as I said before, the point is that you will never stop the leak by wrapping or spraying anything on the existing weeping joint - you HAVE to dismantle the thing and start again.
I could have worded it better ... I meant to cut the olive off the pipe, NOT cut the pipe.

Apologies.
Yes, as Naz pointed out before, the point is that you will never stop the leak by wrapping or spraying anything on the existing weeping joint - you HAVE to dismantle the thing and start again.
Question Author
Thank you tezestwing - and again, everyone else who has commented.

Good to know there are a bunch of helpful people out there.
We are helpful .. yes .. but you hardly supplied enough information!
Mains or tank or open drain pressure?
Internal or external?
Plastic, copper, steel pipework?
Hot or cold?

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