anhydrite

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  1. K

    Tile on anhydrite

    Hi all, I'm new to this so please bear with me. I have a problem with my floor tiles that had been laid on to an anhydrite screed. Floor was apparently prepared as per instructions but a few months ago I noticed white powdery substance coming up through grout. I will try and attach 2 photos...
  2. C

    Weber PR360 preparing anhydrite ,right or wrong

    Hi all Ok went for weber plus adhesive with Ad250 I have prepared the floors and started with the primer Weber Pr360. I understood that one 5 kg container would do approx 25 sq m at 0.2kg per sq metre however i am still on my first container having done over 100 sq m. It says for Anhydrate to...
    • chequers
    • Thread
    • adhesive anhydrite aus preparing screed usa weber weber adhesive
    • Replies: 2
    • Forum: British & UK Tiling Forum
  3. J

    Debonding tiles on anhydrite screed

    Just been to look at a problem floor laid by another tiler. Anhydrite screed. Very chalky latence not removed before tiling. Screed not primed dont know how dry screed was before decoupling membrane went down. Back of alrge format porcelain not backed with adhesive. Spot bedded with approx...
  4. P

    Anhydrite screed

    hi, what is meantby friable, in relation to anhydrite. mention is made on removing prior topriming/fixing . I have sanded my screed so far, but i have a browny/darker colour that looksshiney, is this the latency as it seems imposible to remove. Lafarge said it was not and a 60 grit sand is all...
  5. B

    anhydrite + big leak : (

    Hi, tiled a new house back in the summer, guy rang me yesterday to say couple of tiles loose on one bathroom floor. After recovering from a heart attack (ettringite paranoia! :yikes:) I popped to have a look. Lifted the loose tiles and loads of water underneath, after further inspection it...
  6. P

    Ceramic tiles on anhydrite screed floor

    Hello, I am Mike and I am in the middle of a self build house project in Aberdeenshire Scotland. I have anhydrite screed down on both the ground floor and the first floor, over wet underfloor heating. There are a total of four rooms (bath/shower/utility/kitchen) that will have ceramic tiled...
    • posh_merkin
    • Thread
    • adhesive anhydrite ceramic ceramic tile ceramic tiles floor floor tiling screed tile tiles usa
    • Replies: 9
    • Forum: British & UK Tiling Forum
  7. I

    Decoupler and anhydrite

    Just a quick one, when sticking a decoupler to a low laitence anhydrite screed would you use a gypsum based adhesive? (creative impressions addy being used to stick the tiles)
  8. A

    Tiling on anhydrite screed.

    Would PVA work to prime an anhydrite screed before tiling on it or does it have to be a specialist ie expensive primer? It will be in dry rooms so water messing with the PVA will not be an issue. The screed will be sanded etc by the installers.
  9. D

    anhydrite ??

    hi guys what is anhydrite screed and what is the laitance that will need to be removed from it ??? in order to use a slc ???
  10. S

    Anhydrite Screed and tiling

    Hi All, I'm currently looking at putting down a anhydrite screed and then tiling on it and putting down somw timber flooring. the screed is made by Bardons and is called Highflow S; my question is what to put on top of this screed; I've been advised to use a primer and cementacous tile...
    • St Andrew
    • Thread
    • adhesive anhydrite anhydrite adhesive screed tiling usa
    • Replies: 7
    • Forum: British & UK Tiling Forum
  11. R

    Info on Weber.Col anhydrite 2 Gypsum based adhesive...

    Hello all, some of you will know that I managed to get my hands on some of the Weber gypsum based adhesive last week (many thanks to Ajax123). Thought I would put up some info given to me by Weber as Im starting to see more and more anhydrite screeds and VERY few people seem to know how to work...
    • Rich
    • Thread
    • adhesive anhydrite anhydrite adhesive gypsum screed tile adhesive usa weber weber adhesive
    • Replies: 26
    • Forum: British & UK Tiling Forum
  12. P

    Thickness of flexible tile adhesive for terracotta tiles on anhydrite screed

    Hi - We are nearing the end of a self-build project and have hit yet another brick wall! We have 100m2 of floor to tile with 25mm thick terracotta tiles over UFH. They are a bit uneven and the makers recommend bedding them on a 15-20mm mortar bed, our tiler wanted 25mm in order to do a good job...
    • piggy
    • Thread
    • adhesive anhydrite anhydrite adhesive flexible screed terracotta thickness tile tile adhesive tiles usa
    • Replies: 26
    • Forum: British & UK Tiling Forum
  13. A

    Weber.col Anhydrite Tile Adhesive get tilers seal of approval

    Hi All Weber are now offfering a Gypsum Based tile adhesive. They gave me some bags to give to a tiler of my choice to tile to Gyvlon screed. It does have a relatively short open life on the floor but a reasonable pot life. The tiler has now used the gear and has fed me back his thoughts. He...
    • Ajax123
    • Thread
    • adhesive anhydrite anhydrite adhesive find a tiler screed seal tile tile adhesive tiler tilers tilers directory usa weber weber adhesive
    • Replies: 12
    • Forum: British & UK Tiling Forum
  14. N

    Anhydrite sceed

    Im after some advice on tiling onto an Anhydrite screed. Does it need sanding prior to priming and if so what type sander and method do i use? there is about 75m2 in a new build.
  15. G

    Short video anhydrite screed and Dural Ci

    http://vimeo.com/11573437
  16. S

    Help preparing an anhydrite surface

    Hi I'm about to tile an anhydrite screed floor (60m2) with 60x60 1mm porcelain tiles. I've just been reading on here that i need to sand the surface and prime it with Primer G before I tile. So, a couple of questions: 1) How do I sand the floor? What with etc? 2) Where do I get the...
    • sanorton
    • Thread
    • adhesive anhydrite help preparing screed surface usa
    • Replies: 12
    • Forum: British & UK Tiling Forum
  17. W

    Question for Ajax123 on anhydrite screed.

    ajax i have been told to use a anhydrate primer and benferflex c2 on a screed what do you think
  18. D

    Screed master Epoxy primer for Anhydrite screeds.

    I have been in convo with Bostik( laybond) about the usage of their screed master epoxy primer and it's use an Anhydrite screeds and the prep etc required. So here is the PDF's for you too look at for it's usage and prep for this epoxy primer. Also Mapei are Ok about using their adhesives over...
  19. D

    Method of prep / priming to anhydrite screeds.

    Ok.. I am interested on some discussion on how you prep and prime an Anhydrite screed ready for tiling. What method of sanding do you use , even if the screed is low laitence .. What method of priming do you do .. Do you use Acrylic primer or maybe epoxy primer. Do you use a cement based...
    • DHTiling
    • Thread
    • adhesive anhydrite anhydrite adhesive prep priming screed usa
    • Replies: 10
    • Forum: British & UK Tiling Forum
  20. 2

    anhydrite screeds !!!!!!!!!!

    Hi all , Question about anhydrite screeds iam afraid ! lol.., how do i no if its a anhydrite screed or not ? so confused about screeds!! :mad2: and y do you have to use anhydrous screed ? whats the benefit over latex ? :helpsmilie:
    • 2020Tiling
    • Thread
    • adhesive anhydrite anhydrite adhesive screed usa
    • Replies: 11
    • Forum: British & UK Tiling Forum
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