Good evening!
As the title suggests, I have a question about laying tiles and slightly uneven surfaces.
I am going to lay about 7 square meters of frost-resistant tiles on my glazed balcony (condominium) with tiles that will be placed out being 30*30 cm. The surface is not completely flat; if I lay out a one-meter spirit level and look closely, I have a gap of about 3-4 mm in one spot.
Do I need to self-level first?
I was hoping to avoid that and instead first brush on some primer and then lay out the tiles.
Grateful for good advice!