Things like excessive movement or basic wear and tear can lead to cracks and leaks.
Leaking shower pan and ceramic tub.
Answer if water from your shower is leaking into a crawl space the problem is not the cementitious grout joints.
Put a mark on the tub or shower pan to note the water level.
There has to be an underlying problem with the shower pan s waterproof membrane.
The longer the leak has gone unnoticed the larger the repair will be.
It likely was not installed correctly.
Check for cracks even very fine ones anywhere on the pan.
Step 2 cut and peel out damaged caulk with a caulking removal tool.
Pre fabricated shower stall units are usually fiberglass or acrylic kits created in a factory and shipped to your home in one or several pieces.
The porcelain ceramic or plastic basin that collects all the water from your shower and guides it towards the drain is designed to be as durable as possible but is subject to wear and tear like anything else.
Leaks typically start along the bottom of the wall where the tile meets the top of the tub or shower pan.
Then cover the drain with several thick pieces of duct tape so that the drain is sealed tight.
Inspect the caulking that joins the tile wall to the shower pan or bathtub for mold cracking or peeling.
If your shower leaks behind wall you will see water stains on the drywall ceiling below the tub drain.
If you find some you re in for a new shower pan or shower floor to stop the leak.
If not fixed on time these leakages pose a danger to the foundation of your house.
But in the end there will be no way t.
Next fill up a bucket with water and pour some into the shower pan until the water is about 1 inch high.
A shower pan may fail to collect and direct water into the drainage system due to a leakage problem.
Those areas are exposed to the most water so damage tends to spread quickly.
They can be installed by a professional crew or by a diyer.
Feel around the copper pipes for any wetness from recent use.
To start make sure that your shower pan is completely dry.
To be sure these stains were not from the bathtub drain run a little water in the tub and see if the drain is leaking.
The main reasons for a leaking shower pan are movement of the shower pan to an unfavorable position deflection and normal wear and tear.
Most shower kits include a shower pan and two or three solid wall panels although some are one piece shells in which the shower base or bathtub is integrated with.