There might be a radiator pipe running through the slab at that point.
what is the waste allowance with floor tile
tile should slope sightly down toward the drain and drain should be recessed slightly below the top of the tile
Mix white vinegar in with warm water and scrub itAny floor cleaner or soap will remove the urine. Ceramic tile is not porous so it will not have been absorbed by the tile. The grout should be sealed so that shouldn't absorb it either. Just clean the floor as you normally would.
yes the tile has to be fixtures and then put the tile
Yes, if you want uneven and broken tile. You should level the floor first.
If the floor finish in the room that the closet opens from is tile, and the base of the closet is at floor level, having the same floor finish in the closet is attractive and makes it easy to clean.
Granite
Wonder board.
There is no reason to wax a tile floor.
Closet flanges should always have the bottom of the flange resting on top of the finished floor. So to answer this specific question, the tile should be under the flange and the flange should be secured to the subfloor.
Yes, but you should you use an adhesive that is ductile
The bathroom floor should be of a slip-resistant material surface, whether it be tile, stone, vinyl, or carpeting.