Clogged shower drains in and of themselves would not cause a leak.
Bathtub drain leaking through ceiling.
If you have a second story bathroom the problem could be in.
Sometimes water won t actually leak out you ll find the drywall sagging and paint bubbling in the affected area.
When you go to your hardware store take the damaged fittings with you so that you can be sure that you re getting the exact same ones.
If the drain trap below the tub has loose connections or has corroded through the drain pipe may be leaking water.
Sometimes those drains were installed with plumbers putty and over time it loosens up especially with people in the shower walking back and forth in the shower.
Water leaks from a plumbing fixture or pipes may go unnoticed for days or even weeks until you notice a wet spot or water stain on the ceiling below.
Why is there a wet spot on the ceiling below the bathroom.
Sometimes fixing the problem is simply a matter of tightening the drain connections using channel lock pliers.
When water s leaking within the wall or from the bathtub drain above you ll find water seeping out below the source of the leak.
Drain pipe leaks are those that appear and disappear across your ceiling.
Cut a hole in the ceiling to enable you to undertake a visual inspection of the pipework to see if the pipes are leaking or to see if there is direct leaking from under the tiles.
A damp spot or worse a continuous drip from the ceiling overhead signals trouble.
You will likely see the water dripping down from the drain trap when running water in the tub.
How to fix a leak from the upstairs bathroom.
Leaking drain trap.
What i find when checking with a moisture meter may be that it s right under the shower drain.
Usually there is ceiling space between the upstairs bathroom and the lower ceiling.
Sometimes i will get a call about a leak showing up in a ceiling below a bathroom.