Repairing Guides

how to repair water damaged shower wall

by Prof. Pietro Baumbach DVM Published 2 years ago Updated 1 year ago
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How To Repair Water Damage Behind Shower Tiles

  1. Slowly Remove the Tiles. Using a flat pry bar or a putty knife, slowly pull off the loose tiles from the wall. ...
  2. Cut out the Damaged Drywall. Using your hand, remove the damaged drywall into pieces. ...
  3. Clean and Dry Wood Studs. ...
  4. Clean the tiles. ...
  5. Install a New Cement Board Patch. ...
  6. Tape and Mud the Wall Joints. ...
  7. Reinstall the Clean Tiles. ...

Depending on the cause of the water damage, the fix may be as simple as re-grouting the tiles or adding a new line of caulk. In the event that there are no issues with the tile, grout, or caulk, water damage may be caused by leaking pipes in the wall.Jul 22, 2020

Full Answer

How to regrout a shower wall?

Tile and Grout Regrouting Tips

  • The grout should be dug out at least 1/8th of an inch deep so that new grout can have a firm base to adhere to. ...
  • Ensure that you hold the Oscillating tool steady and move it in a steady up and down motion along the grout lines. ...
  • It is best to use the a round diamond bit for removing most of the grout in the shower. ...

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How to fix a loose shower wall?

Things You Will Need

  • Phillips head screwdriver
  • Flathead screwdriver
  • Silicone caulk
  • Plumber’s tape
  • Putty knife
  • Utility knife
  • Protective equipment

How can I remove the shower pipe from the wall?

Use duct tape to attach the rope to the pipe. The knot will help to make this much more solid than if you did not have the knot. Now bring the old pipe down, with the rope attached. You will probably have to cut the old pipe several times to get it all out of the wall.

How can I repair drywall over shower?

How to Repair the Drywall in the Bathroom Above the Shower/Bathtub

  1. Remove Crumbling Drywall. Remove the softened, crumbling drywall and scrape away any peeling paint. ...
  2. Attach Furring Strips. Attach at least one furring strip (1 x 3-inch piece of wood) to the back of the existing drywall with 1 5/8-inch drywall screws unless ...
  3. Cut and Install Greenboard. ...
  4. Apply Joint Compound. ...
  5. Apply Additional Joint Compound. ...

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How do you fix water damaged shower walls?

How to Fix Water Damage Behind The Shower Wall?Step 1: Carefully Remove The Tiles. ... Step 2: Cut Out the Drywall. ... Step 3: Clean The Tiles. ... Step 4: Cut and Install a Cement Board Patch. ... Step 5: Tape and Mud the Joint. ... Step 6: Reinstall the Tiles. ... Step 7: Caulk the Joints.

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.

How do you fix cement board behind damaged shower tile?

1:1418:43How to repair cement board behind damaged shower tile - YouTubeYouTubeStart of suggested clipEnd of suggested clipBoard behind here. And then patching another piece tape tape the mud the seam I'll show you how toMoreBoard behind here. And then patching another piece tape tape the mud the seam I'll show you how to do that and then we'll replace the tiles.

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.

How do you fix a leaking shower without removing tiles?

How to Repair a Leaking Shower Without Removing TilesRemove the old grout.Clean between the tiles.Regrout and replace damaged tiles.Clear away waste materials.Seal the shower with silicone.Apply two coats of clear waterproofing.

How much does it cost to re tile a shower?

The cost to retile a shower is $7 to $25 per square foot or $800 to $3,000 on average. Shower tile installation costs depend on the shower size, tile material, tile size and shape, design, and pattern....Cost to retile a shower.National average cost$1,850Maximum cost$10,000Average range$800 to $3,0001 more row•Jul 19, 2021

How do you repair shower wall panels?

0:208:56How to Fix a Loose Shower Wall - Easy - Save $$ - YouTubeYouTubeStart of suggested clipEnd of suggested clipJust something with a skinny tip that you can inject glue through. Some sort of a scraper. A barMoreJust something with a skinny tip that you can inject glue through. Some sort of a scraper. A bar clamp or something to spread things apart with and a piece of wood.

Can shower water 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. This is a major health hazard.

Can cement board be patched?

If you are getting a new tile in your home, the cement board does not necessarily have to be replaced. If it is not damaged, you can leave it as is. If there are small holes in it, you may be able to patch them yourself or call in a professional to do the job.

How much does it cost to regrout a shower?

Your average-sized shower could cost anywhere between $565 to $1,750 for a full regrout, with prices hinging on the type of grout as well as how much old grout needs to be removed.

How do you tell if there is mold behind shower tiles?

The tiles of you shower stall might feel muddy and the area where you take a shower might be slimy and damp. This can be a sign of black molds growing behind the shower tiles. Keep an eye on the walls of the bathroom. If there is a growth of black mold then the walls will show signs of damage.

Is there a waterproof grout sealer?

The Aqua Mix Sealer's Choice Gold Quart takes the top spot for its natural looks and extensive protection. This product is a water-based sealer that provides ample protection over the entire surface, including grout and tiles.

Can water penetrate 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.

How do I get water out from under my tile floor?

Pour 1/2 cup of bleach into a large container. Add 1 quart of water to the container, and place three to four drops of dish soap in the solution. Stir with a wooden spoon so the mixture becomes soapy. Dip a scrub brush into the solution and allow the excess water to drip away.

What to do if there is mold behind shower tiles?

If you have found mold in your bathroom and behind shower tiles, do not try to remove it yourself. Mold needs to be handled by professionals since it can easily release toxins into the air and leave spores behind to re-grow. Call a mold remediation company to rid you bathroom of mold.

How do I know if I have mold behind my bathroom shower tile?

The tiles of you shower stall might feel muddy and the area where you take a shower might be slimy and damp. This can be a sign of black molds growing behind the shower tiles. Keep an eye on the walls of the bathroom. If there is a growth of black mold then the walls will show signs of damage.

Why is my bathroom moldy?

Your bathroom is a moisture-ridden place, which makes your floors, walls and counters susceptible to mold and mildew. This is especially true if you have products that are made with materials that are easily damaged by water.

Do you have to spread tile adhesive before adding tile?

You’ll have to spread tile adhesive along the membrane or cement boards before adding the tile. It’s best to implement plastic spacers into the mix to prevent an uneven tile arrangement.

Signs of Water Damage in Bathroom Walls

This is a major red flag, and can often be an early sign that your bathroom walls may be experiencing water damage.

How to Repair Bathroom Wall Water Damage

Now, in the case of water damage and a rotted drywall in your shower – here’s where the repair and clean-up phase come into place.

How to Prevent Bathroom Wall Water Damage

Prevention always is the best, there are a few things you can do to help prevent this water damage in the first place.

How much Does it Cost to Repair Bathroom wall Water damage?

The exact cost of repairing rotted drywall, rotted studs, or other water damage in your bathroom walls may be difficult to estimate.

When to Call a Professional

If the above steps of repairing the water-damaged drywall around your shower seem intimidating, then it’s probably a good idea to seek professional help.

What to do if you have a broken bathroom wall?

If you don’t, the problem will recur and worsen. If you have a broken pipe, then you should turn off the water, call a plumber, and have the fault repaired.

What to do if you have a broken water pipe?

If you have a broken pipe, then you should turn off the water, call a plumber, and have the fault repaired. The sooner you do this, the less damage will be caused and the easier and cheaper the repair to your bathroom wall will be. However, the worst water damage is usually caused over a long period, by slow and hidden leaks.

What is water damage?

It is easy to think of water damage as caused by a flood or leaking tap or burst water pipe. However, when water damage is assessed, there are three main categories into which water falls (as classified by the American National Standards Institute ). These categories are defined as:

Why does my bathroom have water in it?

Water damage in the bathroom could be caused by something as simple as water spray from a shower head, water seeping into faulty caulking around the tub, or it could be something more serious like a leak in a pipe behind the bathroom wall.

What happens if you don't fix water damage?

Health Effects from Water Damage. If you don’t act quickly to resolve a water damage problem, you could find that it develops into a mold issue, or worse. Here are three health issues that not repairing water damaged bathroom walls could cause: 1. Mold. Mold grows best in warm, damp conditions – like bathrooms.

What are the most common areas of water damage?

The two most likely rooms where water damage may occur is the bathroom and the kitchen – where water is used often and there is high humidity.

Why does water deteriorate over time?

This is because the conditions encourage growth of mold, bacteria and insects that could be harmful to health. The secret to limiting damage caused by water is to act quickly. This is especially the case when you repair bathroom wall water damage.

How to prevent water damage in shower?

Here are some ways to prevent water damage from your shower walls. Address any water leaks immediately. Avoid using acidic cleaners when cleaning your bathroom.

What are the signs of water damage behind shower tiles?

So, be watchful for any signs of water damage behind the shower tiles such as musty odor, tiles coming away from the wall, and cracked tiles.

Why do tiles get water damage?

How Can My Tiles Get Water Damage. There are several causes of water damage to your tiles. But, the most common cause is cracked or worn-out grout. The grout joints of the tiles are a cement-based product that is prone to crumbling and cracking. If it is not sealed properly, it will allow water to seep under tiles.

What happens if you don't seal your floor?

If it is not sealed properly, it will allow water to seep under tiles. Once the water begins to collect behind the tiles, it will dampen the backer board, causing the tiles to fall off and even foster mold growth behind the tiles. In some cases, the ceiling below the floor can also get affected once the water begins to leak down.

Why is my shower tile leaking?

But before you begin the repair job, make sure to assess the damage first. In most cases, the problem occurs because of water seepage into the backboard. Other times, water damage behind the shower tiles can be a cause of plumbing leaks within the walls.

How to get mold off of wood?

Clean undamaged wood with water and bleach solution to prevent it from developing mold growth. Then, allow the wall to completely dry. Rotted wood needs to be removed and replaced.

How to control humidity in bathroom?

Control the humidity of your bathroom by upgrading its ventilation system.

How Does Water Get Behind the Tiles in My Shower?

Most homeowners think of the shower as a waterproof environment. Ceramic tiles don’t absorb moisture, but the grout that fills tile joints is a cement-based product. If it isn’t sealed properly, grout allows condensation to form behind tiles. That damp eventually soaks into the wall.

Why is there water in my shower?

If the problem is directly behind an area of tiles, it’s probably the result of water seeping into the backer board. Tile damage around the shower base often indicates a plumbing leak behind the shower tiles. In this case, you may want to call a licensed plumber to take care of pipe repairs.

When Should I Call Water Damage Pros?

It takes some DIY experience to identify water damage, pull down tiles and replace backer board. If you’re not sure about handling the job yourself, think about the advantages of calling in water damage professionals.

How to remove rotted wood from a backer board?

Remove and replace any rotted wood. Scrub undamaged framing with a water and bleach solution. Otherwise, the wood can develop mold that spreads into your new backer board. Thoroughly dry wood framing by running fans in the room. This may take several days.

How to patch cement board?

Start patching with cement board the same thickness as the original backer board. Using a utility knife, score and cut the patch. Size it to allow a 1/8-inch gap between the cement board and original wall material. Fasten the patch to the wall framing with cement board screws.

Can water damage happen in a shower?

Over time, the walls of that inviting personal space can develop unsightly cracks and surround you with musty odors. Water damage behind the shower tiles doesn’t happen overnight.

Can water seep through grout in shower?

If it isn’t sealed properly, grout allows condensation to form behind tiles. That damp eventually soaks into the wall. Water seeping through grout in the shower often occurs in older homes. Until the 1990s, bathroom tile was commonly installed over drywall.

7 Signs of Water Damage Behind The Shower Wall

As mentioned previously, this type of damage involves a slow process and will not happen at once. Therefore, it will show some signs of damage, indicating that your shower walls might be experiencing some water damage. It can be beneficial to know these signs as you can take quick action before things turn worse.

How Does Water Get to The Wall?

Your bathroom walls will be affected by water damage when the walls are exposed to water continuously. There are two main ways for your walls to be in contact with water.

Water Damage Evaluation

When water gets collected behind wall tiles, moisture is spread across the backboard. Since the tiles are attached to the surface, the materials have no way of drying. When this happens continuously over time, it makes the backboard deteriorate, which will result in severe water damage.

How to Fix Water Damage Behind The Shower Wall?

Now that you know how to check your damage, the next step is to fix the damage. This is where you should decide whether you will handle the project by yourself or reach out for professional help. The decision should be based on the type and the extent of your damage.

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Identifying The Wall Damage

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It’s common for leaks to start in the lower portion of your shower wall. This is where the tile meets with the top of the floor or shower pan. This is a great place to begin looking for water damage, such as discolored grout, peeling caulk, loose tiles and moldy grout. When you see these signs, then you know there’s a moisture iss…
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Getting Rid of The Tiles

  • The good news is that once you pinpoint the areas with the water damage, you can remove the tiles by hand. Any tile that’s stuck, you can remove using a chisel or putty knife. You can use the same for any stuck-on tiling as well. Whatever you do, try your best not to break the tiles, especially if you’re only replacing a small area of the tile. It can be hard to get exact-match repla…
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Time to Cut Out The Drywall

  • If you’re not sure whether an area of drywall is water-damaged, all you must do is touch it. It will crumble or break by hand. You’ll need to remove the affected drywall area by cutting a line below your remaining tile. This should give you enough space to install new drywall. Make sure to check out your wall studs to ensure they’re still maintaini...
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Next, Install The Cement Board

  • Now, it’s time for trimming the cement boards so that they fit the replacement area. Just screw them onto the studs. You should use latex caulk for the sealing of the board’s bottom edges. Then spread around tile adhesive at the seam right between the current drywall and new cement board. Then just place fiberglass tape onto the adhesive and allow it to dry up. If you’re trying to retile t…
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Begin Adding The Tile

  • You’ll have to spread tile adhesive along the membrane or cement boards before adding the tile. It’s best to implement plastic spacers into the mix to prevent an uneven tile arrangement. After installing all the tile, it’s time to add the grout. It’s a good idea to wipe off your grout within 60 minutes of applying it. Just don’t wipe off the grout right away. Wait for at least several minutes …
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Estimating The Size of Your Project

  • It’s not always simple trying to determine how much water damage you have. Therefore, it’s hard to say how much tile you’ll need. It all really comes to how much water damage your tile and drywall have. Some signs are more obvious than others, which is why you should contact an inspector to analyze the bathroom shower wall for you. If you fail to get rid of all the water-dama…
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