anhydrite

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  1. J

    Retiling anhydrite floor

    Hi. Screed been down ten years, no issues . I’m about to start the mammoth task of lifting existing tiles and laying new tiles . Two Questions… Does the screed need retreating with anything before I lay decoupling matting and re-lay tiles? And has anyone ever tried using the attached ??
  2. D

    Sanding anhydrite floor

    Hi All, I have an anhydrite screeded floor that’s been down 4mths. I now need to sand it before my tiler star work. Any advice on which type of sander or grinder I need to hire and advice on doing the job? Thanks in advance
  3. simonwoody

    Tiling large format slate onto anhydrite screed

    I am planning to lay 600mm x 600mm x 20mm slate on to an anhydrite screed. It is a very thick tile! I was not familiar with anhydrite screeds and have been reading some of the horror stories. I was set on using Anhyfix but I see Tilemaster have stopped producing it and I spoke to Ditra technical...
  4. P

    Preparation Using primer G on anhydrite screed.

    Hi guys....just a quick priming query please. Calcium based screed... heating commissioned, heating off, dry and ready to start sanding. Question, is primer G an acceptable primer for Anhyfix tile adhesive? Anhyfix requests the use of an acrilic primer but primer g is a synthetic resin...
  5. H

    Working out levels.. Anhydrite screed, mat, adhesive, porcelain tile

    Need some help please with calculating levels and the build up of the floor to support tiling. Not sure about the need for the uncoupling mat? Not sure about the thickness of the tile adhesive? As I have sliding glass doors to be spec'ed and installed before the screed, I need to gauge the...
  6. S

    Anhydrite screed prep

    A simple question I'm struggling with. Up front, it's a self build - my 4th, so done a fair bit but 1st time using anhydrite. Screed down for 4 years+. Prepping for ditra. Started sanding with 40 grit using 6"festool orbital to remove laitance - solid - (so may have to use diff tool). Issue I...
  7. N

    Anhydrite screed prep

    Hi guys technical question hoping maybe you have an answer as I have never came across this before we have an anhydrite screed floor we sanded it hoovered then sealed twice came In Today and the sealer looks like it’s peeling in certain areas have u ever had this the floor is completely dry...
  8. A

    Slate over Anhydrite screed - commissioning a

    Hello 45mm Anhydrite screed (Aggregate Industries 'Highflow') is now dry (moisture tested by contractor). Thoroughly dried out with 2 x dehumidifiers running 24x7 for 45 days. Wet UFH system in screed - but boiler is not yet installed - so can't take the floor through a thermal stress cycle...
  9. C

    Porcelain to anhydrite screed whats your favorite method?

    Hi i'm self building my own barn conversion and have a anhydrite screed and underfloor heating. Screed was laid 8 months ago and latence removed about 5 months ago, the heating cycled during the winter but off now as its 'summer'. I dont have any way of testing if its dryed out but have had a...
  10. faceman

    Cement board over anhydrite screed

    We have a floor to do which has ended up being way to low. We to bring the whole floor up about 14mm before we mat it and tile it. It is 180m in a very old expensive house that has original skirts and stair cases still in place that we need to get up to. We figured a 12.5mm cement board would be...
  11. D

    Priming Anhydrite screed

    Hi folks, I’m just about to start tiling the ground floor of my house with Limestone tiles, the area is around 80m2. The floor has a anhydride screed which I have recently sanded and hoovered. I planned to prime the area with neat ROCATEX acrylic primer twice before I lay my decoupling mat. I...
    • DHThompson
    • Thread
    • adhesive anhydrite canada priming screed
    • Replies: 3
    • Forum: Canada Tile Advice
  12. S

    Anhydite Adhesives.........

    Has anyone ever used TEKCEM GYPTEK Adhesive before , if so thoughts on the product and performance please. Thanks
  13. B

    Which adhesive to the ditra mat on the anhydrite screed with water UFH

    Hi. I have about 55 sqm floor, anhydrite screed laid about 5 years ago with water UFH. Because my house is old, build 1902 on side of the hill and on the clay, I have few crack on floor. One of the first shop where I was looking for tiles, wood effect which I want, was Topptiles. Because crack...
  14. Andy Allen

    Anhydrite screed........

    Currently working out a price to tile one of these screeds, last one I did must of been 10 years ago, and things seem to have moved on since then. First off, what's the tile master anhydrite a Adhesive like. The screed has UFH and there using a porcelain tile, on a normal screed I wouldn't...
  15. P

    Anhydrite drying times

    Hello all.... quick question. I have a customer who's built a new home. I've tiled the walls and have the floors still to do. They're 50mm anhydrite incorporating piped underfloor heating. The floor was poured in December and heating has been on for a few weeks now. However, I put down my...
  16. Adam18Spring

    Wet room, cement on top of Anhydrite screed

    Hi guys Long time reader and lurker, got so much great advice... Quick question, i have a Anhydrite screed currently that was put down in a wet room (Wet UFH 50mm thick) it is currently 50mm lower than the finished floor height needs to be. My question is, would it be the following buildup be...
  17. A

    4 Year Old Gyvlon (anhydrite) preparation advice

    We had Lafarge gyvlon screed laid 4 years ago and are only now in a position to get it tiled. Up to now it was covered with temporary carpet. As far as I can remember nothing has been done in prep (I know we should have removed the laitance a couple weeks after laying, but to be fair it looked...
    • Algy
    • Thread
    • adhesive advice anhydrite canada old preparation screed
    • Replies: 17
    • Forum: Canada Tile Advice
  18. M

    Extension floor tiles

    Hello fellas, New to this forum thought I'd get some opinions on my method as I've never dealt with tiling over gypsum liquid screed. I also have wet underfloor heating over 40m2. The screed was laid 4 weeks ago after 9 days I sanded the laitence off and primed with Weber. My plan is to use...
    • Mitch88
    • Thread
    • anhydrite canada floor floor tiles floor tiling liquid screed poecelain tile tile adhesive tiles ufh
    • Replies: 3
    • Forum: Best Floor Tiles
  19. F

    Anhydrite or Concrete - dont know

    Thought I would have an easy job to tile my daughters new build house kitchen floor but then I start reading on help forums about Anhydrite floors. But I do not know if she has one or not, its a new build Barrett home. My local supplier stocks Tilemaster and I see that they do Anhyfix but the...
  20. J

    Benfer soloflex Anhydrite adhesive.

    hi guys and girls... New to the forum..... Has anyone had any experience with Benfer soloflex anhydrite adhesive..??
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