Discuss Mapei renovation screed primer in the Tile Adhesive / Grout Advice area at TilersForums.com.
Wayne, I've already gone down that route and @EatingSnakes isn't intrestedDont skimp bud this will bite you in the arse , how far have you got ? How much is there to make up between tampered concrete slab and tiled finished floor , look at the underfloor heating company website and their overlay system
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