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pipes

  1. 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...
  2. 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...
  3. 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
  4. 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...
  5. 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...
  6. 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...
  7. 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...
  8. 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?
  9. 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...
  10. 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...
  11. 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...
  12. 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...
  13. 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...
  14. M

    10mm Heating pipes - lagged in loft?

    Hello, 10mm copper heating pipes in loft were lagged with felt. Have extended the pipes with plastic. I I an assuming that plastic 10mm pipe in loft space should be lagged as it can still freeze. Do I just use felt wrap? What do you guys do with plastic 10mm heating pipes in loftspace? Thanks...
  15. r1k1n

    Advice needed about cold water copper pipes sweating

    Hello there guys, We've recently discovered (after a drop of water hit my brother on the head!), that a cold water copper pipe is sweating. We thought it might be a leak but have only seen droplets of water on the pipework and after some research have deciphered that the pipe is sweating. The...
  16. E

    Air in pipes?

    For years now probably decades we have experienced intermittant noise, loud humming, in water pipes. The noise may go away for weeks at a time and then come back with a vengeance. Given up trying to get someone to take a look as it doesnt do it to order although Water Authority did take a look...
  17. B

    Where to position CH pipes under groundfloor suspended floor

    I am about to insulate a suspended timber groundfloor in a 1930s semi. The joists are 2"x5" with about 400mm of air space below. The pipes currently run below the floor, and the pipework is a mess, with very little insulation. As I need to reroute pipes anyway, am I best running them between the...
    • bwt
    • Thread
    • floor pipes
    • Replies: 11
    • Forum: Renewables
  18. M

    Exposed pipes - a query

    Hello all I have recently purchased a property and now starting to slice up the various jobs into DIY vs get a professional in. Given the likely disruption, one of the early tasks I want to address is the exposed central heating pipework that effectively does a full loop around the first...
  19. M

    Copper CH /water pipes in concrete floor/walls

    Could anyone point me in the right direction. I had a complete plumbing install at a property I was renovating, the CH and plumbing was commissioned in Oct 20. Over the last 2 weeks we noticed the boiler (ATAG Combi) losing pressure and requiring refilling, this became more frequent, most...
  20. E

    Running pipes above boiler - air trap?

    Hi We installed a combi boiler in an upper flat by taking the pipes up (above the boiler) and into the loft, and then dropped them back down to the radiators in 3 different rooms (as opposed to the normal method of running the pipes under the floor beneath the boiler which was not possible in...

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