Most times shower valve leaks behind the wall are very slow. Usually, they are pinhole leaks from a faulty valve or sloppy soldering from the water connection points to the valve.

How do I find out where my shower is leaking from?

Quote from the video:
Quote from Youtube video: All right well 30 inches off the wall brings us to right here what i think is happening is that the water is actually getting outside the tub. And settling on this floor. And getting to the ceiling.

What happens if water gets behind wall?





Excess water and moisture gets absorbed in wood, drywall, insulation, and wallpaper which can lead to warping, stains, bubbling, and deterioration. Hidden water leaks can also cause mold to grow and spread in areas behind walls and ceilings where it is not easily detected.

How do you find a water leak behind a wall?

Signs of a water leak inside your wall

  1. Discolored areas – Leaky water pipes inside walls can cause spots of discoloration to appear.
  2. Mold in areas where you didn’t expect to find it – Mold in damp areas like bathrooms isn’t that surprising. …
  3. Wet areas – Obviously, a wet wall could mean a leaking pipe.

How do you tell if pipes are leaking behind a wall?

Signs of a Water Leak Behind a Wall

  1. There is mold or mildew in a non-shower area. …
  2. There is peeling paint on the walls.
  3. The wallpaper is peeling.
  4. The bathroom has a water-stained or cracked ceiling.
  5. The flooring in the bathroom is buckled or cracked.
  6. There is a musty smell in a room that won’t go away.


How do I know if my shower is leaking from the wall?





One of the tell-tale signs of a water leak coming from a shower valve behind the wall is water stains. If you have an upstairs bathroom, you may notice dried water stains on the ceiling below the shower. Most times shower valve leaks behind the wall are very slow.

How much does it cost to fix a leak in the wall?

Cost to repair a leaking pipe in your wall



Water pipes – Leaking water pipes cost an average of $150 to $350 to repair. Finding the leak may cost an additional $100. Drywall repair costs an additional $250 to $750, depending on the hole’s size and location.

Can water leak through walls?

Water leaks are often because of pinholes in your plumbing system or small failures in caulking or other exterior materials. Water takes the easiest path down to the ground, so it will often travel along the framing in the walls.

Why is water coming through the wall?

Water ingress through walls



The main causes are as follows: Building faults – damaged or deteriorating mortar can lead to water ingress through the render. Any cracks in the brickwork or substrate will also allow water to get in. This can occur for a number of reasons including more serious structural issues.

How do plumbers detect leaks?



For the most precise leak detection, plumbers use video pipe inspection equipment. These are small cameras mounted on long flexible fiber optic cables. Plumbers can insert these in faucets and other plumbing outlets to detect leaks.

How much does it cost to repair a leaking shower?

around $150 to $500

Leaking Shower



You’ll pay around $150 to $500 to fix most leaks from a shower on average.

What causes a shower to leak through the ceiling?



Damaged O-rings, washers, or gaskets are usually to blame. When hair, soap, and other debris clog a shower drain, the water can’t go down the drain. If the tub or pan overflows, it could leak through the ceiling below. Over time, the rubber gasket under the shower drain can dry out, crack, and leak.

Can a shower leak through grout?

Leakages in the shower are most often the result of grout failure. Leaky tiles can be found anywhere where there is water. The shower water leak should be repaired quickly otherwise, the buildup of stagnant water will lead to mold and damp under the tiles.

What happens if water gets behind tile in shower?

Moisture that gets behind tiles can cause all sorts of problems. It can destroy the drywall backing, it can cause rot, and it can cause the tiles to begin to fall off if left too long. Worst-case scenario, water damage behind your tiles can lead to mold problems.

What happens if water gets behind grout?

However, water can also seep into the shower wall if there are missing tiles or grout. As the water seeps behind the wall, it can destroy the drywall, cause the tile to fall, and lead to mold. In some cases, water can even leak down and damage the ceiling on the floor below.

What happens if water gets under grout?



Loose, chipped, missing, and cracked grout will let water through which will ultimately damage your tile floor unless the problem is remediated in time. Damaged grout is a source of other problems as well. It can become the site of mold growth if it is not cleaned properly.

How do you fix a leaking shower without removing tiles?

How to Repair a Leaking Shower Without Removing Tiles

  1. Remove the old grout.
  2. Clean between the tiles.
  3. Regrout and replace damaged tiles.
  4. Clear away waste materials.
  5. Seal the shower with silicone.
  6. Apply two coats of clear waterproofing.


Can cracks in shower grout cause leaks?

Can cracks in shower grout cause leaks? Holes and cracks in your shower grout will lead to leaks if left unfixed. This is especially true when the tiles also start to break or separate. If this happens, you shouldn’t ignore it.