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loft

A loft is a building's upper storey or elevated area in a room directly under the roof (American usage), or just an attic: a storage space under the roof usually accessed by a ladder (primarily British usage). A loft apartment refers to large adaptable open space, often converted for residential use (a converted loft) from some other use, often light industrial. Adding to the confusion, some converted lofts include upper open loft areas.

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  1. philw67

    Why 2 cylinders in my loft?

    This is a picture of the heating setup in our loft. It's all relatively new and I was wondering why we have two enormous cylinders? One is for hot water, I get that but the system is a mains fed pressurised system so what is the second one for please? There are also two smaller tanks which I...
  2. R

    Pressure loss in new loft (unvented cylinder)

    Hello. I need some urgent advice re water pressure in an unvented system. A few months back, I had my gravity fed system + boiler changed to an unvented cylinder + system boiler. The water pressure following the swap was incredible. We were originally talking about putting in a mains booster...
  3. L

    How can i turn my standard gravity loft fed system

    Trying to get a high pressure shower running off a gravity fed system
  4. Nicklm

    URGENT Loft room shower problems

    Hi everyone Hoping someone has an idea what's going on with my loft conversion shower. It runs ice cold after 5 mins and cant be the thermostatic bar as we've now changed it 3 times. The hot water in the tap also runs cold after 5 mins. The water us fed from a combi boiler on the ground floor...
  5. N

    Small header tank in loft and overflow

    Hi I have noticed dripping from the overflow pipe coming from the header tank (smaller tank in loft) not sure why but I cannot adjust the ball value thing or how to. I have removed some water from the tank but there is a copper pipe which should sit in the tank but not where it feeds to Any...
  6. M

    Cold Water Tank In Loft - Cause Of Flood Dispute?

    Having just moved into a property and discovering the central heating not functioning, after 3 months we eventually was able to get the property management to have one of their heating engineers attend. He was literally here 10mins and in the loft space for 2mins, where he stated he discovered...
  7. P

    Capping off and replacing an outlet for cold water cistern in loft

    Hi folks Following on from another thread I made recently, the plumber has agreed that the new cold feed he added to our loft cistern should have been lower than the existing feed to the cylinder for hot (he put them both roughly the same at 50mm) and he is proposing to put it right. In terms...
  8. F

    Loft Conversion Radiators

    I have recently added an extra floor to my 3 bed semi by converting my loft. I ran a dedicated circuit in 22mm to a towel rad and a single radiator. It is on its own zone valve. The boiler is a Worcester Junior combi. I have plumbed and wired this in myself. I a part P electrician. The pipes...
  9. D

    Loft insulation on piping

    Hi All, I have an unvented cylinder system up in my loft (tank, boiler & piping etc). I have insulated the loft roof (so kinsgpan in the rafters) On our coldest day so far this year the loft temp went down to 9°C, outside was around 0°C. I have many exposed pipes from my boiler system up...
  10. P

    Is 18mm plywood enough for loft tank support base, & what type of ply?

    Hi I've got some upcoming plumbing work and everything is being drained down for it, so I'm taking the opportunity to replace the boards under the tank in the loft because they have signs of woodworm... I'm hoping to use 18mm ply because it is available at B&Q where they will cut it to size...
  11. P

    Bathroom in new loft conversion suggestions?

    Hi all we are about to have a loft conversion with a bathroom large enough for a freestanding bath, shower enclosure, toilet and wall hung vanity unit.so will be a blank canvas . just wanted to get a plumbers perspective of what are easy installation and for future repairs . ie shower...
  12. J murton

    Loft conversion running waste

    Hi I’m after some advice about the pipework for my loft conversion. I am having a bathroom on the right side of the loft and the waste will need to run through all of the floor joists (red line) to pick up the stack which is on the gabel end. My question is can I drill through all these...
  13. P

    Shower option - cast your vote! Cold from loft tank VS Pressure Equalising Valve?

    First - an apology for monopolising the forum with all my plumbing questions! I'm hoping this will be my last and I'll move onto something else (like choosing a woodburner, which is the next thing on the to do list)... My situation... We've having a bathroom refit and will have a new bath with...
  14. C

    Leaky overflow pipe at loft level but no water tank in my loft.

    Hi all, I live in an end of terrace house and there are two overflow pipes next to each other on my neighbours side of the fence. I assumed that the one closest to us was our overflow pipe. It has recently started dripping constantly and it is damaging our fence. Thinking it was my issue, I...
  15. L

    How do we manage a new combi boiler moving in to the loft and relocating the kitchen so the cooker is the other side of the house? Help needed please?

    I need some advice… Our gas meter is currently in the garage conversion and runs under the stairs into the kitchen where we have the boiler. We want to do the following things: 1. Replace with a combi boiler and move to the loft. We are a semi detached house so need to the pipes run up from the...
  16. H

    Why can I hear tank in loft filling after I use hot water

    When I use the hot water tap I can hear the tank filling up in the loft. Don’t remember hearing it before. Is this normal?
  17. R

    Help with drainage smell downstairs after loft conversion completion

    Hi, I’m really hoping someone can help me please or at least point me in the right direction. We had a loft conversion finished last year and moved up into it December time. It included en-suite with shower and bath. When we first used the shower the following day found a huge wet patch on the...
  18. B

    Soil pipe thru steel beam for loft?

    Good morning. Working on a loft conversion and need to figure out how to route water from the shower and toilet. Someone has recommended that we can drill holes in the steel beams in the loft floor and route the shower and toilet waste through these holes. Has anyone done that before? Will...
  19. C

    Loft Tanks

    I've recent moved into a home which is served by a conventional gas boiler that feeds the radiators and a cylinder in an upstairs cupboard. I don't understand the plumbing layout and so I'm hoping someone can help me based on what I can post here! Thanks. There are two water tanks in the loft...
  20. 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...
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