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 behind tiles?

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. Mold can be a serious health risk to your family.

How can you tell if there is moisture behind tile?





These are five signs of water damage behind shower tiles.

  • Cracks, swells or discoloration in tile grout.
  • Single tiles out of alignment with the existing grid.
  • Tiles coming away from the shower wall.
  • Peeling caulk around bottom tiles and the shower base.
  • Pervasive, musty odors that don’t go away with cleaning.


Can water get through tiles?

Even though tile flooring is good for keeping water from leaking through, over time water will seep down into tiles and cause very real damage. If you are diligent about cleaning up spills before they can sit for too long, that should not be an issue for you at all.

What is behind shower tiles?

Newer showers have cement board behind the tile instead of drywall. Trade names such as Wonder Board or Hardi-Backer may be familiar. The cement board does not swell when moist, does not flex or easily puncture like drywall and can be coated with a waterproof covering.

Does water penetrate shower tile?





There are many ways to limit water penetration through correct installation techniques regarding shower trays and baths and these are covered in different articles. However, even when baths, shower trays & tiles are correctly installed, water can still penetrate behind tiles, so tanking is highly recommended.

How do you dry water under tile?

Quote from the video:
Quote from Youtube video: Down there we've got air movement down there now we're going to add heat right here and that should really push that water out so we'll set up a containment system that's going to kind of keep.

Can mold grow behind tiles?

Mold can hide behind shower tiles when the tiles have not been correctly caulked, grouted, and cemented down. Moisture gets in between the tiles and the walls and mold forms.

What to do if shower is leaking behind wall?

If shower leaks behind walls are a bigger project than you feel comfortable handling, then you must contact a professional shower leak repair service. There are times when you need to call in a professional, and this may very well be one of them.

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.

How do you fix water damaged shower walls?

How to Fix Water Damage Behind The Shower Wall?

  1. Step 1: Carefully Remove The Tiles. …
  2. Step 2: Cut Out the Drywall. …
  3. Step 3: Clean The Tiles. …
  4. Step 4: Cut and Install a Cement Board Patch. …
  5. Step 5: Tape and Mud the Joint. …
  6. Step 6: Reinstall the Tiles. …
  7. Step 7: Caulk the Joints.


Is a tiled wall waterproof?



Tiles alone are not enough to stop water from getting through to the substrate. It is a common misconception that cementitious adhesives and grouts are waterproof, however, most are only water-resistant.

Can tile crack from water damage?

Tiles can become loose, detaching from the surface below, and potentially crack. Mold, mildew, and bacteria can accumulate underneath the damaged, floating tile.

Can water damage tile grout?

Ceramic floor tiles are not harmed by standing water, but, it can damage the grout between the tiles, and detach the adhesive. The damage may not become noticeable for many weeks or even months, until after flood waters have diminished.

How can you tell if a wall has water damage?

The 10 Most Common Signs of Water Damage in Your Walls

  1. Visible Wet Spots. One of the major signs of water damage is wet spots on the walls within your home. …
  2. Streaks of Color on the Walls. …
  3. Cracking Walls. …
  4. Bubbling Paint. …
  5. Soft Walls. …
  6. Running Water Inside Your Walls. …
  7. A Musty Or Damp scent. …
  8. Higher Water Bills.

Does tile need to be replaced after a flood?



New information: tile may be non porous***, but grout and mortar are porous. A sample at Floor and Decor of 18″ tile on mortar. The air pockets pictured collect all the water the mortar can soak up since grout and mortar is porous. This is why it is necessary to remove tile after a flood.

Can flood water get under tile?

Although ceramic tile normally withstands water or flood damage fairly well, water can be “wicked” into walls or subflooring to which the tile is attached. Quick attention to water removal can help reduce the amount of water absorbed by walls or the wooden subfloor.

Can water cause hollow tiles?

Loose Tiles: You may have water damage under your tile floor if you notice that the tile is no longer sticking to the floor or wall. Water will often cause your tiles to become unstable or loose. Hollow Sound: Water-damaged tiles may make a hollow sound if there’s a leak.

Can water leak through bathroom tiles?

Leaky tiles can occur anywhere where water is used, whether it’s a shower, a wet room or a kitchen splashback. They can often cause damp and mould within surfaces behind tiles, and can even threaten the structural integrity of walls, so it’s important to tackle the issue at the first sign of a leak.