There are a number of things that can lead to water leaks inside a wall.
Drain leak inside wall.
When you have found the possible leak location use a drywall saw to cut out a strip of drywall about 6.
It generates a musty smell that can help you find hidden leaks.
In addition to regular maintenance you can.
Pipes and residential sewer pipes that freeze and burst because of extreme temperatures external forces taking their toll on plumbing leading to punctures.
Mold in unusual areas.
As we all know water will find its way to the nearest exit when it s under pressure.
Usually the most obvious sign of leaking pipe behind a wall is when you see a huge portion of water bursting through the wall.
As water slowly drips from a leaky pipe inside the wall flooring and sheetrock stay damp and develop an odor similar to wet cardboard.
Externally by digging a trench around the foundation and sealing the entire underground portion of the foundation with.
Weak plumbing which cannot withstand the weight of concrete and crumbles over time.
Use pex piping where possible add a battery backup to your sump pump pay attention to the drainage patterns around the house insulate pipes on exterior walls in climates where they might freeze keep your water pressure between 40 60 psi.
Internally by removing any damaged studs and drywall and patching the crack up with epoxy.