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expansion joints

An expansion joint or movement joint is an assembly designed to hold parts together while safely absorbing temperature-induced expansion and contraction of building materials, and vibration, or to allow movement due to ground settlement or seismic activity. They are commonly found between sections of buildings, bridges, sidewalks, railway tracks, piping systems, ships, and other structures.
Building faces, concrete slabs, and pipelines expand and contract due to warming and cooling from seasonal variation, or due to other heat sources. Before expansion joint gaps were built into these structures, they would crack under the stress induced.

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  1. P

    Expansion joints

    Hi guys I am getting a floor done and was wondering if it will need any expansion joints? the floor is rectangle 12m in length 6m wide at one end and 4m at the other. There is water pipe under floor heating which has all been screeded by a company using a type of top of the range screed that is...
  2. C

    105sqm of tiling how many expansion joints

    Hi could anyone tell me what's best to do I have a job tiling 105sqm in barn conversion it's on Ufh screed floor tiles are porcelain 3 different sizes barn has two separate rooms downstairs that I can easily spit with joint and the rest is in a big t shape question is how many sqm can be done...
  3. C

    Expansion joints ( how often do i need them )

    Hi everyone I havent posted for a while ive been asked to price a tiling job its around 185m2 with ceramic 300x300 tiles on a concrete floor all of which im fine with my only question is how often do i need to fit expansion joints and which are best to go with and where to get them i was...
  4. J

    Expansion joints in screeds and tiles

    I'm looking at some plans for a large terrace about 1600.00 sq mts. The current proposal is to use rhomboid shape tiles locking up to each other. the tiles themselves will have different coloured glazes when each tile is split colour wise in two .ie two triangular colour shapes per tile. the mix...
  5. S

    Expansion joints??

    On big kitchens conservatories etc when customers don't want expansion joints on the centre of the floor. What other method would you use? Would u just cut tiles back 10 15 mm from the perimeter to allow expansion Thanks
  6. K

    Expansion Joints Advise Please

    Morning people! In a few weeks time I have a new build house to tile. The total area is about 220sqm. The downstairs floor is about 120sqm and will be tiled using Limestone in free length. The screed is completely dry (sand/cement) and the surface is like a snooker table which I'll prime first...
  7. D

    Expansion joints

    looking at peoples albums, i see that lots don't use them, WHY, i know it is not a good selling the job point ,BUT it is for our own good,and the longevity of the installation ,or do you think it is somebody (tile shop) job to make the client aware ?
  8. K

    expansion joints

    what is the distance that you need expansion joints and what type would you use.The architect has specified every 4 metres thanks in advance
  9. B

    Expansion joints and ditra matting

    Me again..... 1) Could someone please point me to any links about expansion joints 2) Also, does anyone have any comments on tiling onto plywood overlaid with ditra matting (floor obviously)? I've done this a few times without any come backs...... Am just interested in any observations. Thanks.
  10. S

    Expansion joints with UFH

    Hi Guys, As some of you know, i've laid 600x600 porcelain tiles with UFH, the approx size is about 13.5sqm, would I need any expansion joints due to having UFH. Just reading horror stories about probs with porcelain tiles and UFH, so want everything to be right? Cheers
  11. T

    Tiling a concrete veranda area with expansion joints

    Hi there, I am tiling an external area for a friend in central france. The area is sound and level but has a few expansion joints. How should I go about ensuring my efforts aren't affected by movement in the concrete? One solution i'd considered was using a matting over the top so the concrete...
  12. D

    expansion joints in ply

    When laying ply do you fill the exspansion joints between the sheets with silicon or put tape over them to stop adhesive filling the gap. If using tape what kind do you use.
  13. A

    Expansion joints in opus porcelain tiles

    Hi, can I please ask for some advice. I am laying 70m2 of porcelain tiles in 4 size opus pattern. The floor is one half new extension (floor levelled about 2 months ago), the other old concrete. I am laying electric underfloor heating. I have patched the old floor to make it as even as...
  14. E

    Expansion joints / ufh / pumped screed

    Hi All If you have in screed UFH over an area of 220m2 finished in limestone flags with decoupling layer, how the hell do you impliment expansion joints which are recommended every 40m2 in a lafarge pumped screed. I have seen the Schulter expansion joints but they all seem to be put in against...
  15. T

    expansion joints

    Hi all, For the past year i have done alot of work for a shop fitter and i always use expansion joint every 5m. However on my travels i tend to some times see other tiler have not used them. Just wondering why not aprt from the obvious. or is it due to the fact they use a single part flexi...
  16. D

    expansion joints

    hey was just reading the chaps post whose having the problem with the tiles cracking and a few folk mention expansion joints are these those strips with the rubber in between and in what situations would they be used. i know how timber moves and changes shape from the laminate floors and timber...
  17. T

    Expansion Joints & Undefloor Heating

    Hi All, my first post, be gentle... I am having the ground floor of my house tiled with 600 x 600 polished porcelain. It's going to be a continuous job from the sunroom (5m x 7m with plumbed underfloor heating) through to the kitchen (3m x 7m), utility room (3m x 2m), back hall (2m x 2m) and...
  18. C

    to use or not to use expansion joints?

    Hi everyone I have just read all that stuff Dave posted on expansion joints and was wondering if you guys have encountered any domestic type situations requiring them.If so how do you make them aesthetically pleasing and how did you decide where to put them.I have never used expansion joints...
  19. S

    Expansion Joints

    Hi All, Floor job coming up that will need expansion joints. What is the maximum gap i ca have before putting them in ? Would you use silicone or a pre made one ? Anyon know where to get them ? Thanks for your help again :hurray:
  20. A

    expansion joints in granite floor tiles for area 300sqm

    Hi there, i have recently been asked to tile an area of about 320sqm with granite floor tiles. the screed has not been layed yet and i was wondering at what intervals the expansion joints should be laid, wether they must match the saw or cold joints in the screed, i phoned the suppliers of the...
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