It might sound like a crazy idea but have anyone tried a water sensor inside a wall?
I had a stain on my baseboard and when I removed it I found water was kind of destroying the wall behind it (see pic). After talking to a contractor he said this will eventually happen again because the sliding door is prone to leak.
That got me thinking, what if I put some sort of probe inside touching the floor and connected to a sensor attached the wall right there in the corner? The wire could come from a little hole that would be covered by the sensor.
If and when I get an alert I will know it is time to go outside and apply some calk around the door.
Also think about the potential inside bathroom walls.
My main concern is something build up on the probe and prevent if from work, like rust can build on metal, I don’t even know what these probes are mase of.