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Is it necessary to use the bigger teeth on the trowel for laying ceramic tiles in a bathroom? I have 10mm thick ceramic tiles to lay next weekend in the en suite. My only other tiling experience is tiling a hallway with 60x60 porcelain. I used the large teeth here, but the tiles were heavy and going to get a lot of traffic. Would it be ok to use the wall tile small teeth to lay ceramic in a bathroom? On thinking of doing to to save on adhesive and the floor height as I've lined it with ply and don't want a step from the bedroom? Would I even save much adhesive and height doing this? What is usually done here?

Sorry, not sure how to edit this due to p*ss poor spelling and grammar lol Was in a rush

rossbarclay wrote:Sorry, not sure how to edit this due to p*ss poor spelling and grammar lol Was in a rush

You can only edit posts up to 30 minutes after posting. One of the Spam prevention measures on the site.

You want a 10mm trowel for those tiles. Could probably get away with 8mm if the floor is very flat

Happy days, cheers. I have another question. I dry fitted a dry in a few positions on the stud wall to night and noticed a slight cup at the bottom. When I set a tile on this section I can rock like a see saw. It seem the studwork is a few mm out and the plasterboard its slighty out of shape. The gap is maybe 5mm, but only in a small section of the wall. Do I just build this section out with adhesive, like back butter that part of the tile?

What tile and size is going on the walls?


The floor tiles you need to acheive 100% coverage of adhesive to the back of the tile. Normally 10mm notched trowel is minimum used because you need an adhesive bed of between 3 and 6mm thick. If you use an 8mm notch then buy one that has deeper notches than they are wide.

Wall tiles are 600x300 ceramic at a thickness of about 8mm. I didn't realise there were so many different size notches. I bought a trowel thinking one size was floor and one side for wall lol My trowel is 5mm and 20mm. Think I need to get some new gear for this DIY project!

You need 8mm notch for the wall tiles and they need to be on a cement based adhesive and back buttered. The deviation on the wall can be taken up in the adhesive bed.

Can I get an 8mm and 10mm trowel in one? Are there better brands than others? Where should I get one?