Browse Forums Flooring & Floor Covering To put anything over slate you will need to put self level compound over the entire area as slate various in thickness and is very un even. To install most types of… 1 419 just pull up the slate. If you go over the top, your tiles would not have an even surface to be glued to. Im no tiler, but i can imagine a couple of things being an issue… 1 351 Hey There. No problems re jumping in. My original question was "should I have waterproofed" the concrete slab before putting batons down. We have been told we should… 7 4332 |