Soil stack leaking?? New fit bathroom - Video explains better!

[alexjb1989]

Link to pics and vids

This video is the most helpful https://drive.google.com/open?id=1VQjssJwQOb7LxhLUsaYGRM3GP_I827Io

Hi all,

Time for a new project. The wife wants a new bathroom - basically same layout but with vanity units.

Our soil stack is internal and boxed in to the corner of the room, it runs down into the kitchen downstairs.

So, I have whipped of the bath panel to have a look at the stack, and it's confusing me a bit... I it looks like the stack that comes from the loft (110mm) joins into another (or just some kind of joining collar) - a fatter one. And I'm not sure if it is leaking. It is all wet around the top.

The waste from the bath and the sink fits into this 'weird fatter leaking' collar.

In all honestly, I know that makes zero sense, so I have made a video and I am explaining what I mean as I go. Please watch as it will help! You may be able to see th wet bit I mean. It is also full of sludge (does not smell when I stuck my finger in it)

Just want to get opinions, before I start ripping out old bathroom - is this issue going to have to be addressed or is it OK?

Please click the link for lots of pics - The video is probably the most helpful, I give a bit of a commentary to show what I mean.

https://drive.google.com/drive/folders/1VOdNw8gLaIP_-ajiAEg06VKzb119KcZ8?usp=sharing



Also.... Do you think the bath is on batons to increase the drop from the bath waste into the stack - out bath seems abnormally high - I always have to modify bath panels as plinth never high enough (in vid)

 

[alexjb1989]

I've just stuck my finger in the wet bit around the 'joining' bit, and yes its wet, but the brown sludge does not smell. Is it rain water? Maybe coming in from the tiles? Here is a pic of the brown wet stuff! PIC

 

[lostinthelight]

I think it may be an early type of manifold that allows connections below a toilet inlet without a crossflow? I first used one in the 70’s
https://www.google.co.uk/search?q=m...&client=safari&prmd=sivn#imgrc=raBHTGtISZLJNM

 

[Nige F]

It's the one lostinthe light said And yes it'll be a seal up on the roof letting water down the outside of the pipe

 

[alexjb1989]

Awesome! I think you are right... I have never seen one like that.. Nice to know what is is.

Should I be replacing it all? with some more conventional joints? e.g the one that has the pan waste and basin and bath waste in one?

Im guessing it would be difficult as the stack is obviously fixed so replacing sections would be tricky.... Would I need to use a slip coupler?

 

[alexjb1989]

Just to confirm... It is rain water. I tied a tissue around the stack (above the joins) and it is wet. And is has been ****ing sidewards today. Must be getting in in certain wind conditions