pipes

  1. C

    Loud Noise in rainwater pipes

    Hi, I live in a 10 storey block of flats on the ground floor and inside some walls of my flat are rainwater pipes that run down from the roof. Couple of months ago I started hearing a loud bang in the walls where those RW pipes are hidden whenever it rains heavily. The building manager sent a...
  2. L

    In multilayer pipes, why is there a 25mm and a 26mm?

    Hi. I'm plumbing an old house in Spain (Among lots of other work!). I'm going to use multilayer pipe of varying sizes but when looking there is a 25mm and a 26mm. Can anyone tell me why?
  3. gb17342

    change radiator pipes from 10mm to 15mm

    Hello, I need to replace a radiator and want to change the current 10mm pipe in to the radiator with 15mm pipe. I have access under the floor so no problem to change the 10mm that comes off the 15mm hot water feed. If I change just one radiator to 15mm and leave the rest of the radiators as they...
  4. gb17342

    Identify these pipes?

    Hello, anyone know what these pipes are? I'm guessing the black pipe could be iron or lead gutter pipe as it goes in to what seems to be a gutter down pipe (the down pipe is next to the soil pipe and is slightly smaller so presume it's the gutter pipe). However it seems to be around 50mm wide...
  5. M

    Banging water pipes when my neighbour open cold or hot water taps

    I just rented a top floor flat which is a roof conversion built only 10 years ago and after moving in, i found out that inside the largest storage eaves, there is a communal water tank which serves only the 6 other flats below except mine . I already has few issues with the tank noise which has...
  6. L

    Chipping in radiator pipes

    Hi, hopefully someone can help! Am I able to chip radiator pipes into a chimney breast wall? Thanks any help appreciated!
  7. R

    New rad sits out 10mm more than old pipes. Any solution?

    I'm trying to put in a new rad. But the rad sits about 10mm further from the wall than the old pipes come out of the ground. I've tried taking away a bit of tile to push the pipes back but they are locked in place. What I probably need is a copper pipe with a very small, 10mm, bend in it...
  8. M

    Mystery pipes - can anyone work out what they are for?

    My son has just moved into a ground floor flat in a five-storey mansion block in London, built in about 1905. The bathroom is being renovated and he has found two old pipes, one around 4 inches (I think) in diameter, the other a bit smaller, that are a mystery. They come down from the floor...
  9. K

    Black plastic water pipes

    Hi all. Hope I’m posting in the right place! I have a leaking water supply pipe in my house which is an unfamiliar type for me. It is a black plastic pipe with glued joints about 15mm diameter, which supplies our upstairs bathroom. See photo. the house was built around 1971 but there have been...
  10. plumbingdoctor

    What are the right types of pipes to be used in underground piping?

    Hello guys Any thought I installed underground pipes assume any code requirements in installing a pipe when the frost gets deep in winter. I'm using a PVC
  11. I

    Blocked pipes whats the best way to go about this?

    Gurgling sound from basin when shower running, and water seems to be backing up shower when basin running a while. Shower running slow and when using a basic plunger on it backing up a lot of waste. Bottle trap cleaned out and part of the pipe work. Should i install a bottle trap with...
  12. M

    Insulating UFH pipes in wall

    Hello, Plumbers have just installed these pipes on brick wall - UFH hot water flow and return. The plasterer is coming on Friday to make the wall good - would welcome some advice on whether an expanding foam or some kind of insulation should be used before the plasterer makes good. Happy to...
  13. R

    Loud vibration in pipes

    We have loud vibrations in our pipes. It happens when either of our showers is used about 10-20 seconds after the shower is turned off and stops after 5-10 seconds. It is very bad in the morning and gets better through the day. By late on the day it doesn’t really happen. There is a shower pump...
  14. P

    Run pipes behind boiler

    Hi, I have an old traditional gas boiler (two pipe, fully pumped system, if that matters) sitting on the floor and touching the wall, as from the first pic. The second pic zooms in on a hole the boiler has in the rear, leaving a gap with the wall. I am planning to run two 15mm copper pipes...
  15. S

    Connecting pvc pipes?

    After I cement my pvc pipe to its pvc connector, is it normal for there to be a small gap between the edge of the pipe and the indent in the connector? It's like 1/4" between the two. I mean, they are stuck and I can't pull them apart, but should it be better?
  16. G

    How can we find/fix leaking pipes when the pipes are set within a concrete floor

    We have had a long term problem with damp in our bungalow which exacerbated when we changed from the use of a system boiler (with pressure only from a tank in the roof of our bungalow) to a combi boiler (with full mains pressure) and a major leak was then found and dealt with. (This leak had...
  17. M

    Combining pushfit waste pipes

    Is it OK to combine osma, polypipe and floplast push fit waste pipe? I. E polypipe fittings and floplast pipe. Different merchants sell just one of the above. So I tend to end up with bits from different manufacturers. I presume its OK. I'm sure I have before and never had any issues. Just...
  18. S

    Re arranging waste pipes

    currently working on my bathroom refurb and am after some advice on how best to go about re arranging the following: Starting from the top: The sink waste is solvent welded but i can reuse it in its current position I want to move the toilet to the adjacent wall so id need to move the...
  19. R

    Hammering pipes

    Hello all This is a new installation a friend of mine has just had completed in her cafe. She can't contact the plumber who did the job for some reason. Not picking up. It's only a week old. He has just fitted a sink in a part of the cafe and the pipes are hammering like hell when you turn...
  20. W

    Are these pipes acceptable?

    We had a leak from our boiler which meant I had to take up the flooring. This was a bathroom, but we want a utility room, so will be putting in the washing machine. I don't know if these pipes are accetable though? We need the water feed (on the left) and the pipe for the waste (you can see on...

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