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soil

  1. A

    Why different forces are needed for 110 mm soil pipe fittings?

    Do you know why some 110 mm soil pipe fittings are easy to push into the soil pipe, whilst other fittings are much, much harder to get in, given that they all need to do the same job of making a gas tight and water tight seal? Recently I found that I could easily push into the soil pipe the end...
  2. C

    Upstairs Toilet Draining into ground floor soil stack.

    I'm looking to connect an upstairs toilet into an existing ground floor soil stack. Is the solution I've drawn out possible or does the soil stack vent need to be above the connecting appliance still? Red is the proposed new pipework and brown the existing. Let me know any questions.
  3. H

    Toilet waste lower than soil pipe

    We've just had a new toilet installed and the new toilet's waste pipe is lower than the cast iron soil pipe. My installer has used a flexi pipe to connect the toilet waste upwards to the soil pipe. Am I right to be concerned about the upwards connection, and the use of a flexi pipe? The cast...
  4. M

    Soil pipe inlet too high for toilet pan

    I'm replacing a toilet pan & the current install has a pan connected to the soil pipe with a flexi wate, but the pan exit is almost 100% lower than the soil pipe entry. Short of setting the pan on plinth, what would be the correct install?
  5. S

    110mm Soil pipe to ensuite

    Hi All, I am adding an ensuite to our bedroom. The new 110mm soil pipe run (Grey in diagram) is approx 6m long and enters the building beneath a timber suspended floor. The 90 degree bends are swept. I am assuming it would be a good idea to vent the pipe above the new toilet with an air...
  6. M

    Part replace soil stack

    How much work is it to part replace cast iron soil stack. I need to add existing toilet upstairs so need to add a branch in to external stack which is cast iron. As far as I am aware I need to use two adapters top and bottom to convert from cast to plastic pipe. Then an adaptor for connection...
  7. O

    New soil pipe dilemma

    Hi, Looking for a bit of advice on the best way to do things with a new soil pipe, apologies if its not complexity clear what im trying to do but i'll do my best to explain. The current layout is this: I need to move the soil pipe to the side of the house for the new bathroom and for the...
  8. B

    Please help - Installing soil pipe over flat roof

    Hi there, let me just start by saying I am looking for some advice on doing my first 'big' DIY project of turning a small bedroom into a bathroom, specifically with the toilet. I want to put the toilet below the window on an external wall which is upstairs and overlooks a flat roof, the...
  9. D

    New Wc soil pipe run and regulations

    We are installing a new ensuite on the top floor of a victorian terrace. Soil stack is to the rear and we need a 11-12 meter horizontal run with two vertical drops. I understand the fall required for the horiztonak run, I just need to know if I need to add a top vent- see picture Or can I get...
  10. M

    Running 21.5mm condense pipe into 110mm soil pipe question

    Hi folks. Is it OK for me to run 21.5mm boiler condense pipe into strap boss for 110mm upvc? No smells should come back in I'm assuming? Any suggestions where to buy adapters? Ideally all solvent weld as will be internal of property. Thanks very much
  11. M

    Soil pipe through tile hung wall

    I need to take a soil pipe through a vertical tile hung gable wall at my own house, does anyone know the best way of sealing it and making a good job of cutting the tiles? I wonder if there is a flashing of some sort on the market that might fit? Has anyone had to do this, if so what did you do?
  12. A

    Soil stack and sanitary air testing issue

    Hi guys, Currently trying to test sanitary wear on a big site and obviously getting problems everywhere. Recently left for a week and came back and was given different testing gear. All of a sudden when I'm testing I'm getting the reading on the gauge going up!? I've checked all the valves on...
  13. P

    Soil Pan Misaligned - Wall Hung Toilet

    Good morning, I'm looking for some advice please. I'm a DIYer. I'm fitting a wall hung toilet in our downstairs toilet but the frame is very close to the soil pipe, it has to be really for it to work. My issue is (other than not planning it well) the soil pipe alignment. Pics below: As...
  14. R

    Removing upvc soil pipe fitting

    I have a situation where my bathroom WC discharges into a 90 degree bend and a pipe then runs along the wall before discharging into a soil stack. The fall in the pipe from the bend to the stack is not ideal and although (at the moment fortunately) I do not have a blockage, I think that there...
  15. N

    Problem with soil stack

    So I’ve got a new house and the previous owner had left the soil stack in a state, apparently there was a plant growing inside so this was his fix. 89605946-42-FB-42-C6-9-D12-63-D7164499-BF What should I do? I’d rather DIY
  16. J

    Just looking for confirmation on soil pipe situ

    I have a customer who wants a quote for refitting a 1st floor ensuite. The soil stack drops down into cloakroom beneath and they've mentioned that they sometimes see their sh!te twice :eek:! I've exposed the soil pipe in the cloakroom and can see why.... Upstairs waste is "flying" down the...
  17. S

    Cast iron soil pipe jointing method

    Evening all, I’ve been asked to replace a cast iron stack on a listed building. The customer has ordered the required materials, I’ve just got to install it. What’s the modern day method to seal the joints? Thanks
  18. Meady

    Soil pipe rest bend

    I’m after a black soil pipe rest bend. Do they exist as I can’t find any? Cheers
  19. D

    Soil Pipe Vent Question

    Hi all, In my new build I have 4 soil pipes that pop up at various walls on the ground floor. All pipes connect into a single pipe for the sewer. One pipe will connect to a toilet on the first floor and also connect to the shower and sink waste. Another will connect for kitchen water waste and...
  20. Stants

    AAV on Soil Pipe within a room

    Hi Im looking to use an Aav to terminate a soil Pipe within a Wall Ive read up and spoken to Manufacturers ( Polypipe ) and they say as long as it has Vent / Grill over it for air flow its ok I know the requirements regarding its height etc it will however be in a habitable room ( Bedroom ) and...

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