pipes

  1. 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...
  2. 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...
  3. 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...
  4. 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
  5. 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...
  6. 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...
  7. 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...
  8. S

    very bad grumbling noise in water pipes at night

    hi all, can you suggest what is wrong with my water pipes they all make a loud grumbling type of noise at night at random times. my hot water and central heating is off at night and not being used. i had a plumber call round yesterday but he said he does not know what the problem is. i said i...
  9. PhilCSwift

    Best way to lay rad pipes through a wide chimney breast

    It's an old nunnery with massive breasts! 3 floors and basement. Chimney had 6 fireplaces feeding it. As I am 1st floor (English)/2nd floor (USA) I have a wide breast with 2 blocked off fireplaces. The firepace flues from below run up through and into the flat above and on through the loft to...
  10. J

    CH pipes creaking for hours after heating turned off. Any ideas?

    Hi, recently moved into my first house and am fairly new to DIY. I've been experiencing issues with banging and creaking central heating pipes since I moved in. I've now lagged and secured piping wherever I can access it which has fixed the issue to some degree however fitted wardrobes are...
  11. S

    Water supply pipes, who owns what?

    Hi, I live in an upstairs flat. A pipe burst inside of the flat below. The supply to the flat below tees off immediately after a stopcock under my floorboards. If I turn the stopcock off, its turns off supply to both flats. My question is: who is responsible for the burst pipe, me or the owner...
  12. P

    Very general question about working on gas pipes...

    A while before Christmas, we ended up needing the gas pipe feeding our gas hob moving a couple of inches to allow a new oven to slide in properly underneath.. I managed to find a local Gas Safe plumber to come out and do the job for a reasonable price. He explained in general terms what he...
  13. P

    Banging Pipes

    Hello all, I require your help and support to get to the bottom of this issue. I've always had banging pipes in my property however I do think it's getting worse. Initially when the boiler starts to heat the radiators and hot water tank they bang very loud and fast for a few moments. All is...
  14. T

    Sloshing noise in pipes near boiler

    I had my water cylinder to my unvented system moved from my loft to my landing cupboard a month ago. The original installed had done everything against regs so decided to get someone in and move it all. Since then I have a couple of problems. The bedroom radiator crackles and pops now and...
  15. S

    Boiler is banging (or pipes around boiler)

    Hi, Firstly, I've looked into a few existing topics but they looked a bit different. My boiler Flexicom 18sx, or the pipes right around the boiler is making banging sound. This started to happen more now when weather got colder, if this is not a coincidence. I was able to capture a sample...
  16. S

    Plastic pipes to/from unvented cylinder.

    Good afternoon, We are looking to buy a property but having looked in the loft I noticed that push fit has been used on most of the connections on the unvented cylinder. Mixed views so far on whether this is OK so looking for some advice on whether I need this inspected further before we...
  17. F

    Help identifying what these pipes are for

    Hello all, I was clearing out my first floor bedroom built-in cabinet and saw these pipework in the image. I'm not 100% sure what they are for. The only thing I can think of it for the central heating system as the pipes seem to go quite high (quite a but higher than radiators in my house)...
  18. A

    How much joist can be cut out fo CH pipes

    Hi all, Heating engineer has curved 15mm ch pipes where the wall meets the ceiling instead of notching the joist further and putting them at a 90 degree angle so completely hidden when ceiling is boarded and wall bonded then plastered. He explained that he couldn't notch out the joist anymore...
  19. G

    Shower pipes and leak prevention

    Hello and thank you for your help with this...!!! New-ish home. Had to take the mixer bar off as I need to replace the washers in the mixer unit. --> Are these standard size? Any recommendations? Please see pics. Clear silicone is all that isolates the tiling from the pipe. --> The unit...
  20. N

    Drain hot water pipes

    Hi, I'm going to fit a shower pump to the hot water pipe highlighted in the attached image. Just wanted to double-check my thinking: there's a valve on the cold feed to the cylinder so if I shut that off and run a downstairs hot tap until nothing comes out is that enough to empty the pipe I'm...

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