If the water sits for 10 hours without a leak appearing underneath the shower or the ceiling below it is likely that the liner is intact and is protecting your house.
Plastic shower floor leak.
A visible water stain running across your ceiling just below a shower area indicates the potential that your shower drain is leaking.
A sure fire way of testing a shower floor to see if it leaks is to place a drain stop in the shower drain and fill the pan up with water to the level of where the wall starts.
Check for cracks even very fine ones anywhere on the pan.
First most brands of shower valves use similar methods to install the valve.
First of all the shower pan is one of the most important parts of your home s bathroom.
If your pan or floor looks good try this basic step.
If you have a leaky shower drain and don t want to cut open a finished ceiling to get at it from below consider using a special drain such as the wingtite drain which can be installed from above if the drain is in a plastic or fiberglass shower base this drain has an o ring that seals to a typical 2 in.
The large ceramic porcelain or plastic basin at the base of your shower is supposed to collect all the water from your shower head and move it down the drain but things don t always go as planned.
Fixing a leaking shower valve to stop shower leaks behind wall is a little trickier.
Shower pan leaks leaky shower floor if your water leak is coming from your shower floor then it may be obvious already you have a broken shower pan.
When you turn on your tub shower valve the hot and cold water enter the valve and mix to the desired temperature.
Abs or pvc drainpipe adapters are available for 1 1 2 in.
If you find some you re in for a new shower pan or shower floor to stop the leak.