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  1. A

    Anhyfix - discontinued?

    Tilemaster were taken over by kerakoll who have the biogel products likens limits. I have assumed this is the reason.
  2. A

    Floor preparation too low

    40mm gypsol classic screed.
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    Help regarding quartz resin tiles. Lifting and now have warped

    Get an independent expert report done. Anyone who knows anything about tiling will know that this is spot fixing. Does not need any standards and is not of the nature or quality reasonably expected.
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    Sub floor query (transitioning between types)

    You'd be wise to let the client decide cos if its your choice and it does go wrong he's coming back to haunt you.
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    Can I prime a floor this weekend and lay tiles 9n it next weekend?

    Is it clean, dry, sound and free from contamination likely to cause a failure of adhesion. Has any underfloor heating commissioned
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    SLC over Durabase CI++. Have you?

    Why would you do that? Seems very much unecessary
  7. A

    Is this spot bonding and if not will it be an issue?

    Excessive flex, cracking, popping, vulnerabilty to puncture due to point loading, dampness etc etc.
  8. A

    Is this spot bonding and if not will it be an issue?

    It'll cause issues. Not spot fixing as such but still wrong
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    Dijon Limestone - fixing & prep advice please

    Oh dear oh dear. Fail to prepare.... prepare to fail. 🤣🤣🤣🤣🤣🤣🤣🤣
  10. A

    Cracked tile help please

    Dot and dab install possibly.
  11. A

    Which screed would you recommend for wet UFH ?

    Minimum 65mm sand:cement or 50mm liquid screed
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    Which screed would you recommend for wet UFH ?

    50mm sand cement with wet heating is not fit for purpose
  13. A

    Limestone Flooring - South Oxfordshire

    dont forget it will need an uncoupling membrane if its on a heated screed.
  14. A

    Anhydrite screed prep

    Commission heating before doing anything. Check its dry, sand it, vac it, prime it with an acrylic or sbr primer, then tile it using either a gypsum based tile adhesive direct to the screed or a gypsum based adhesive to stuck down an uncoupling membrane and then a flexible cement based adhesive...
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    Quarry tiles and damp

    They're not that old really. Probably laid on sand cement bed. I would lift them personally and start again from the base upwards. I would go with a DPM suitable for floors with no DPM underneath then do whatever you want on top of that.
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    Is a dry enough screed actually perfectly dry?

    a screed which is "dry enough" i.e. 75% rh will not be dry in terms that it will still have water in it. a cement based screed will have around 3 to 4% free water which is effectively locked within the pore structure of the screed and a calcium sulphate based screed will have around 0.5% free...
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    Granolithic finish over bitumen sheet membrane?

    Depends on the depth of the concrete under the grano toppng. It would need to be a minimum of 50mm as it would be classed as unbonded. that said most concrete would need to be laid mininum 75mm in this situation to get manufacturers approval. The use of concrete over bitumen is an age old method...
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    Hot glue for sticking down electric UFH cable

    Not sure where you heard that air pocets cause issues over time but it sounds like something that would be said by an unrelated and unqualified tradesperson in the pub on POETS day when starting his story with the words "I heard from a builder mate that apparently". Also why will the glue...
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    Working out levels.. Anhydrite screed, mat, adhesive, porcelain tile

    No rule that says things have to be stuck down to heated screeds. Every time you add a layer you redcue the efficiency so eliminating a layer of adhesive would counteract the fact the membrane is not stuck down. I doubt you would notice the difference TBH.
  20. A

    Subfloor

    if youre taking up the floor boards why not remove the joists and replace the timber floor with a solid floor i.e. some hardcore compacted, sand blinding then polythene DPM then isulation, then Slip membrane then underfloor heating and follow the liquid screed right through the lot.

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