Is This Slab too Wet for Porcelain Tile?
Oye. So, we live in a basement condo. It's completely dry, or so I thought. I'm pulling up the tile in the foyer now. The old ceramic tile was a pain to remove, but around the door, it was a breeze. That's because the thin set wasn't adhered to the slab.
There seem to be several layers of concrete down here. The majority of the condo is one raised slab (higher than the foyer) that has parquet, marble tile, porcelain, and some vinyl. I've seen most of that slab and it was fine prior to putting down a new floor. But this one has me a little leery. You'll see part of it extends to the outside. Now, that is raised from the level that has several drains that have worked well in the last year we have been here. It never floods, but it is raining now and the interior part looks damp.
I want to put some 12x12 porcelain tile down, like we have recently done in the kitchen. Am I screwed? What can I do?
Shot of the entire foyer:
Front door open:
Close-up of area: