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Originally Posted by McP77  IMHO Fastflex is brilliant. You don't need to fetch the ply, cut it, screw it down. You don't get the step that you get with using ply (which should be at least 15mm).
I also thought that before tiling with either fastflex or plying out that you had to eleminate verticle movement in the floor - therefore there shouldn't be any movement to cause possible problems in the future.
Out of interest DH have you done any fastflex straight onto floors or do you just not like the idea of it? (I'm not having a pop here or anything just curious) |
You are of course absolutely right about making the floor move as little as possible, unfortunately for me, the builder had already procured 2 bags of fastflex for his house he desparately wanted his customer to pay him for so he wasn't much interested in having the job done in line with my suggestions. I personally don't like trying to trowel on something akin to whipped cream, I somehow found it a bit disconcerting it being that soft. When the tiles were applied it just seemed to sink into the adhesive, which squirted out of the grout lines every where (good for full coverage I know). No matter how much I tried to keep it clean the stuff got everywhere. Sponges seemed impossible to rinse out properly and on the second floor, I resorted to using an old sponge that I just threw away. I wasn't ruining anymore of the brilliant Hydro sponges from trade tiler cos I couldn't get all the adhesive out of them when used with fastflex.
Each to their own but I will avoid using it if I can.