Shower Leaking Through Floor Into Other Rooms

Place a dry towel just outside the door.
Shower leaking through floor into other rooms. The idea is to use the process of elimination and keep looking for any evidence of a leak each step of the way. Wear and tear and dislocation are the main causes of a leaky shower pan. Door frames often leak as well. Check for cracks even very fine ones anywhere on the pan.
If your pan or floor looks good try this basic step. Tub and shower drains connect to p traps just like sink drains do and the traps can leak. If you see a leak at this point there likely is a problem with the shower base. If you find some you re in for a new shower pan or shower floor to stop the leak.
Call a plumber to inspect or fix it for you as soon as possible to prevent rot odors and high costs of repair. Once done with the shower check the towel for any water. Then run the shower as normal. This is a very common issue with tubs.
Just a note about shower or bathtub leaks over a garage. If it happens that your shower or bathtub is located above your garage you can cut costs by having the plumber cut the ceiling under those pipes and replacing it with a removable door. The water can run outside of the shower door area onto the floor of the bathroom and leak between the shower and the floor area. Water can also seep past strainers that aren t properly connected to the drain and in.
A leaking shower pan is a serious problem that can result in dumping water into the floor and foundation of the house.