that is a interesting point, how long has anhydrite screeds been widely use?
Anhydrite Screed (gypsum based)
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that is a interesting point, how long has anhydrite screeds been widely use?
In Europe .. Probs since the late 70's if I recall correctly... And in the UK , long before gypsum adhesives were over here...
But dave, alan has explained above how he has seen many failures using cement based !
Its like most on here have tiled on ply for years, but now its wrong as failures have occurred so now cement boards and ditra are the dogs ganglies, give it a few years cement addy will be the devils **** on anyldrite 😉 🙂 [emoji85]
How long have gypsum addys been in europe or over the pond, sheet, im playing devils advocate here ,ima just curious
Weber anhydrocol ( summit like that) has been out a long time as has kerakols ... But as usual the UK are behind ...
Alan's has to state as a binder representative what in his opinion is the method he advises to use , it was only a couple yrs or so back , Alan's method was epoxy primer then cement based adhesive... And as materials change then so does advice.
Materials advance widler and as we all know they take time to catch on but as long as a screed is dry etc , then The acrylic method and cement based adhesive IMHO is far from wrong... Floors fail because of error.
Yes a gypsum adhesive has more compatibility as its gypsum to gypsum but it's been mentioned many many times , adhesive manufacturers are ripping people's eyeballs out with costs.
In East Germany since 1948 in Holland since the early 1950's in France since the sixties and as usual as we are behind in the UK since the early 1990's
Phew...
whilst on the topic, why phew may i ask ?
Far to expensive atm imo
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