PrestigiousTrouble48 t1_jdl8hb8 wrote on March 25, 2023 at 5:26 AM

You can either add an additional layer of concrete with bonding agent and scree to create the correct level, then tile. Or use a thick bed of tile glue (I’d guess some type of mastic for cold temps ?!? Sorry from Australia) start at drain and work outward using a level to keep the correct slope.

Affectionate_Leg_686 OP t1_jdm1752 wrote on March 25, 2023 at 12:01 PM

Bonding agent is a good idea. I was also thinking of cutting some grooves into the slab for added adhesion too. Thanks! I've been toi Australia once. Loved it despite being reminded that everything there can kill you :) We were around Cairns.