LinearPancakes Posted July 1, 2023 Share Posted July 1, 2023 (edited) We've got an anhydrite based screed down that we're looking to tile shortly. Hopefully all OK from a moisture (will be testing soon) and laitance perspective. Using 1.2x1.2m porcelain tiles, wet underfloor heating and durabase matting. We had two tilers quote. One wants to use 2x coats of primer and cement based adhesive under the matting. The other wants to use 1x coat of primer and Anhyfix under the matting. From what I find online it seems maybe Anhyfix is the preferred option. Though I'm reluctant to ask the other tiler to use something he's not familiar with, and maybe the other option is perfectly fine too? To add to the confusion, Anhyfix is listed as discontinued and out of stock in a few places. 🤔 Any advice/thoughts much appreciated! Edited July 1, 2023 by LinearPancakes Link to comment Share on other sites More sharing options...
nod Posted July 1, 2023 Share Posted July 1, 2023 I often tile directly on to flo screeds 5 days drying time in plenty of time in this weather I always use the same adhesive as the tiles Flexi Bagged Ardex for timber Keep it simple Don’t buy expensive products for the sake of it 2 Link to comment Share on other sites More sharing options...
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