08/26/2026
You must tell your builder this before the slab is poured
A Zero entry shower isn't a tile decision, its a concrete decision. The shower floor gets recessed into the slab so you walk straight in with no curb, and that recess is formed before the pour.
Miss the window and the fix is a saw cut, re-pour, and a tile job on top. Catch it this week and its a form change.
A hundred dollars now, or thousands later.