If your tile shower is leaking the cause of the leak must be found and addressed as soon as possible and definitely before you take a shower again.
Tile shower leaking around door.
Determine where your shower is leaking.
The sole purpose of a frameless shower door is to be able to contain the water splashes inside the shower and direct them towards the drain instead of leaking out.
Shower door leaks between glass.
It likely was not installed correctly.
One other sign of a shower leak behind the wall is the drywall tile in front of the valve becomes spongy.
If water is leaking through a shower door where two panes of glass meet a seal should be installed.
Answer if water from your shower is leaking into a crawl space the problem is not the cementitious grout joints.
The d i y video how to seal a big gap between tile floor and tile wall in a bathroom or shower.
If it s a shower valve leaking it s possible you can get at it from inside the shower but you may have to chisel away some tile to get it at for example.
In fact caulk can make it worse.
Shower door leaks if applicable sometimes a shower leaking water can be due to the doors simply not doing their job of containing over spray and splashes from showering.
If your door has a lot of gap as the bottom then you can install a frameless shower door.
If there is not enough of a slope back in towards the shower then the issue is likely being caused by the curb.
Pfokus manufactures 12 different kinds of frameless door seals each with a different size and specification.
Check the door seal a common source of a leak in a corner shower is the bottom door seal.
It shows how to seal a gap in the corner where the tile floor.
Starting low on the wall splash or spray water on an isolated area and keep checking for leaks as you work your way up a couple of feet at a time.
This is usually cause by water spraying from the leak in back of the wall.
There has to be an underlying problem with the shower pan s waterproof membrane.
To do this focus on one wall at a time.
I have done posts in the past about not caulking the connection where tile shower and or tub enclosure meets the tub or the one piece shower base.
Failure to do so puts more moisture behind the wall or under the floor which can cause mold rot in the wood structure or crumbling drywall.
In a corner shower the shower head sprays water directly onto the door exerting more force and water.
If your frameless shower door leaks from the sides then you can rectify this problem by installing a frameless shower door seal.