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screed

Screed has three meanings in building construction:

A flat board (screed board, floating screed) or a purpose-made aluminium tool used to smooth and to "true" materials like concrete, stucco and plaster after they have been placed on a surface or to assist in flattening;
A strip of plaster or wood applied to a surface to act as a guide for a screed tool (screed rail, screed strip, screed batten);
The material itself which has been flattened with a screed (screed coat). In the UK, screed has also come to describe a thin, top layer of material (sand and cement, magnesite or calcium sulphate), poured in situ on top of the structural concrete or insulation, on top of which other finishing materials can be applied, or the structural material can be left bare to achieve a raw effect.

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  1. S

    Underfloor heating in screed

    I ve just run all of the underfloor heating circuits in a barn conversion for a customer. It's a polyplumb solid staple onto cellotex before screed system. The owner has now come back to me and said they are building a fireplace in the lounge and don't want any pipes underneath it. I was told...
  2. R

    Arrgh - which company for wet ufh all in one supply, fitting & liquid screed?

    We are after a company to supply, install and liquid screed (assuming its better). Weve had a quote from underfloor heating superstore (Birmingham), using Emmeti system which is so much cheaper than a builder/ plumber quoted that its made me nervous. They supply the pipe and screed.it (from...
    • rcaines
    • Thread
    • company fitting heating layer liquid screed supply system ufh underfloor wet which
    • Replies: 0
    • Forum: Plumbing Jobs | The Job-board
  3. S

    New Build 1st fix - pipes to cloakroom in screed or drop down in walls?

    Hi all, I'm literally self building a small detached house and doing 95% of the work myself being a competent jack of all trades. I did have a plumber lined up for first fix (because no-one likes to take on other peoples pipework do they!) but he's let me down and most local plumbers I've spoke...
  4. F

    Leak in screed floor

    Good evening. I have a leak in my CH pipes which are laid in a concrete screed. This is the third time in as many years and it is obvious the installation was faulty. I have exposed a section of pipe before the leak and want to know if I can just join the flow and return pipes together as a...
  5. Riley

    Gas pipe in screed....

    Evening all. Just a a quick straw poll whatre people's preferred methods of running gas under screed, plastic coated etc just curious cheers matt
  6. T

    Heat transfer calculations

    I am probably trying to be too clever but is there a quick way of calculating the heat transfer of underfloor heating from a alupert 16 mm pipe through a screed 65mm thick and ceramic tiles into the air in a room? I realise this involves the following 1) Pipe to Screed Conduction 2) Screed...
  7. S

    New build, gas pipe in screed

    Came across some houses where the carcass has been ran in screed. The pipe has been installed directly from outside into the floor and covered in screed, which makes the external pipe underground where it will be elbowed up into the meter box. My concern is the sleeving. Sleeves should be sealed...
  8. cr0ft

    Replacing a Concrete Screed Floor

    Hi all, After a bit of advice. Yes, I fit wetrooms occasionally but we are quoting to replace a bathroom in a 1 bathroom house with a wetroom. The existing bathroom has a concrete floor and the lady wants a level access wetroom as she has severe arthritis. I know there is the option of...
  9. P

    Underfloor piped heating for suspended wood floor

    I am having a dilemma at the moment as I want the whole ground floor of the house heated under floor. The extension we are having built will be tiled and have plumbed under floor heating installed but the rest of the ground floor is a suspended wooden floor, living room and hallway. My question...
  10. D

    New Pipes in Screed or solid floor

    Hi All, I'm renovating a kitchen and want to re-jig some of the pipe work as they are travelling up the walls and across to make space for fitted cupboards. I want to do all the labour intensive work to keep the costs down, and let the plumber do all the connection work. So currently The...
  11. S

    In screed fitting/valve access box.

    Does anybody know of anything that would work as above. Ideally inexpensive and readily available. I need to move a brass stopcock on mdpe from the center of a kitchen unit back to the wall. I can cut the 50mm duct back and break a small trench in the screed and then go from mdpe to copper with...
  12. P

    Leak in screed

    Went to a callout this evening of no heating/hot water this evening. Systems not holding pressure. Checked the coil and prv, heat exchanger, told the tenant it must be in the screed. Then as I was walking out the door found a wet patch in the hall carpet. I'm going to send a quote over to...
  13. M

    tiles cracking with underfloor heating

    Just had a call from a cust who is having this problem? Could it be the wrong grout used? Water running too hot or screed all wrong? What can I look out for and what can be done about it? Apart from taking all up and starting again?
  14. S

    Pushfit in screed dilemma.

    Just like to get the thoughts of the forum. I am looking for a method for placing a hep push fit fitting in a screed. The pipework is not pipe in pipe and using access boxes is not practical. The pipework is to supply hot and cold to bathroom bath shower, basin and flow and return to a towel...
  15. T

    Leaking underfloor pipes?

    I have a newly laid underfloor heating system under screed and then tiled. I waited 2 days as requested by the tiler before turning the heating on. When I turned it on yesterday, patches of the grout started to get wet around the rooms (extension and utility). I turned it off last night and...
  16. B

    Plastic rad pipes in screed

    Hi Guys, I am piping up a new extension and the guy wants to use hep pipe in pipe to each radiator from a manifold with no joints. which is fine but i just wondered how you guys would do this the only way i can see is to bend the pipe up from the floor as tight as poss and put a 90 fitting...
  17. cr0ft

    Modifying drainage under concrete screed

    Hi all. I've got a requirement on a job to dig up the concrete screed and modify the drainage underneath it. My question is, what is the correct way to repair the damp proof coursing once I've finished the work? I will have to dig through it of course to get to the drains. Cheers!
  18. S

    Is it ok to put copper pipes under cement screed

    Is it OK to put copper central heating pipes under insulation and then concrete screed on top. Does it comply with UK Building regs.
  19. K

    Retro fit underfloor heating to kitchen

    We are renovating our kitchen this year. The plan for the floor is: • to insulate with 100mm Kingspan • install water underfloor heating • 50mm screed (with reinforcing fibres) • Relay the original victorian quarry tiles. My plan was to simply join the underfloor heating pipes from the central...
    • kevrmorris
    • Thread
    • floor heating kitchen screed ufh under under floor heating underfloor underfloor heating
    • Replies: 11
    • Forum: Plumbing Jobs | The Job-board
  20. C

    Underfloor heating installed without insulation

    My builder recently installed a Polyplumb solid floor type underfloor heating in our house. The pipes were put on the concrete floor and then topped up with about 75mm of screed. Unfortunately at the time I did not realize you had to put insulation directly under the pipes as well. The house is...
    • cgencer
    • Thread
    • about heating installed insulation screed ufh under floor heating underfloor underfloor heating without
    • Replies: 50
    • Forum: Plumbing Jobs | The Job-board
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