If your shower has a shower pan replacing just the pan is possible but not always advisable.
Replacing shower pan in tiled shower.
Matching your tiles will be the problem though in most cases.
How to replace a tiled shower floor.
Improperly installed shower floors can allow water to seep through the floor causing cracks or failure of the tiles which results in water leaking below the.
Shower pans are made to work with fiberglass shower surrounds and tiled walls.
No point in tearing out entire shower when it fails the issue is almost always just the pan.
Shower pan liner replacement ceramic and marble tile showers john p.