In plumbing in a wall generally you ll be looking for a leak above the area where you have noticed the water but the water you ve found may have traveled far from the leak.
Drain leak behind wall.
Hidden water leaks behind walls can be especially dangerous because the water will get absorbed into flooring drywall and ceilings as well as wooden support beams and sheetrock.
Then patch the wall sand prime and paint.
If you have plaster or the leak is behind tile or brick a professional contractor is your best bet.
If your shower leaks behind wall you will see water stains on the drywall ceiling below the tub drain.
Tile leaks occur when water seeps through deteriorating grout or caulk and gets into the wall behind the tile figure a.
Identify the walls that contain water pipes by looking where pipes go up from the basement and by checking where pipes enter the walls in bathrooms and in the kitchen.
If you see mold in unusual places where water does not usually accumulate such.
If that doesn t work replace the drain assembly.
If a pipe springs a leak mold can begin to grow in the area.
Mold thrives in moist dark areas which are typically hidden behind walls or under flooring.
Look for signs of leaking.
So if there s any pipe leakage in your home you ll face.
But there are usually some subtle signs to help you identify these types of leaks including.
If you don t have access beneath the drain cut a hole in the ceiling below or replace the drain assembly with a wingtite drain.
Feel around the copper pipes for any wetness from recent use.
If there s a leaking pipe behind a wall you will most definitely spot some causes and changes around that area.
In cases where a leak behind a wall isn t visible you may be able to detect the leak using your sense of smell.
Since water that leaks into walls never has a chance to dry out the walls will begin to give off a humid musty odor.
Usually the most obvious sign of leaking pipe behind a wall is when you see a huge portion of water bursting through the wall.
Musty smelling walls will often be accompanied by other signs of a leak e g discoloration.