Before a single tile is laid, plug the drain and fill the shower base with 2 inches of water. Mark the water line on the wall and let it sit for 24 hours.
This ensures you are never hunting for a stud through expensive finished tile. 3. Laser-Perfect Layouts shower installation tricks.7z
Account for the "stack-up" thickness: Substrate (1/2") + Waterproofing (1/8") + Thinset (1/8") + Tile (3/8"). Before a single tile is laid, plug the