If you do get the Bal product, the square sheets of membrane are significantly cheaper (per m2) than the long strips of membrane, so to save money you can cut teh square sheets into long lengths.
sfk
Looking at the spec, it seems to be used to waterproof walls/plasterboard, not for a wet room floor to use on concrete? Am I mistaken? Normally those floor tanking kit (cloth type material) is around £400 I think?
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