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How to Find a Water Leak Inside a Wall? Tips to Repair Water Leaks

how to find a water leak inside a wall

Whether you're living in a new home or have been in your current one for years, it's important to be aware of the possibility of water leaks.

And while most people think of leaks as happening on the outside of a home, they can actually occur inside walls, too.

If you start to notice any strange water stains on your walls or ceilings, it's time to do some investigating and see if you can find the source of the leak.

In this blog post, we'll show you how to find a water leak inside a wall and how to fix it. Let's get started!

9 Warning Signs of Water Leakage Behind the Wall

If you're not sure whether or not your home has a leak, there are some warning signs to look out for.

These can help you determine if there's a problem so you can take action and fix the issue before it causes any further damage.

Here are ten warning signs of water leakage behind the wall:

1. Musty Odor

If you start to notice a musty smell in your home, it could be a sign that there's water leakage somewhere.

This is because mold and mildew love to grow in damp, humid environments.

If you smell something musty, start looking for other signs of water damage so you can pinpoint the source of the leak.

2. Mold on Walls and Baseboards

Mold is another telltale sign of water damage. If you see the water bill has increased or mold growing on your walls or baseboards, there's a good chance there's a leak somewhere behind them.

Be sure to check for other signs of leaks so you can find the source and get it fixed.

3. Staining

If you see any staining on your walls, it could be a sign of a water leak. Water stains are usually dark brown or yellow in color and can be large or small.

If you see any suspicious stains, start investigating to see if you can find the source of the leak.

4. Peeling or bubbling paint and wallpaper

Peeling or bubbling paint

If the paint on your walls or the wallpaper is peeling or bubbling, it could be a sign of a leak.

This is because paint and wallpaper need a dry surface to adhere to. If there's moisture behind them, they'll start to peel and bubble.

5. Slowly Warping sheetrock

If you notice that your sheetrock is slowly warping, it could be a sign of a leak. This is because water causes the wood to swell and warp over time.

If you see any signs of warping, start investigating to see if you can find the source of the leak.

Do you have your home or property walls damaged? Check out our leak detection services

6. Buckled ceilings and floors

Water that has seeped behind walls will often cause the ceilings or floors to buckle. This is a tell-tale sign that there is water damage somewhere in the home.

If you suspect there is a leak in your home, it is important to take action right away.

7. Wet Blotches

Another sign of a leak is wet or damp blotches on the walls. These can be caused by seepage from pipes or rainfall.

8. Odd Discoloration:

If you see an odd discoloration on your wall, this could be a sign of a leak. Water can cause paint to change color or start to peel.

9. Wet Floors

One of the first places to check for a leak is on the floor. If you have hardwood floors, look for any warping or cupping that could be caused by water damage.

In carpeted rooms, feel for any dampness or wet spots.

Tools That Help Find a Water Leak Inside Walls

There are a few tools that can help you detect leaks in walls before they cause too much damage.

Video Inspection Equipment

Plumbing technicians use video pipe inspection equipment for the most accurate leak detection.

These are tiny cameras connected to long flexible fiber optic cables that may be inserted into faucets and other plumbing outlets.

To detect leaks, plumbers can insert these cameras into faucets and other plumbing connections.

Listening Discs

Some of the most basic tools that a plumber may use to discover and localize leaks are listening discs and ground microphones.

Plumbing workers may use listening discs to find leaks in drywall, cabinets, and other furnishings.

When placed against a surface, listening discs amplify the sounds of leaking water through headphones and bring them back to you via sound technology.

Soil Probe

Plumbing Leaks and waste main that occur in the sewer line and waste main are quite dangerous. These leaks frequently run beneath grass and yards.

A soil probe is a tool that allows plumbers to listen for standard pressure or pressured leaks through grass and stones.

The sound gets louder as the equipment approaches the leak, allowing plumbers to pinpoint its inside your home.

Thermal Imaging Cameras

Heat scanning cameras, often known as thermal imaging, may be used to discover hidden leaks in hot water pipes beneath floors, concrete, and even inside walls.

Thermography cameras may help detect problem areas that the naked eye can't see, such as hidden leaks that are otherwise out of sight.

Infrared thermography is a technique to observe and analyze thermal energy emitted from an item using infrared imaging and measurement cameras.

The Effects of Water Leaking Inside Your Walls

Water dripping can cause all sorts of problems in your home, from small cosmetic damage to big structural issues.

Here are some of the effects of water leakage inside your walls:

  • Mold and mildew growth
  • Warping and buckling of floors and ceilings
  • Peeling paint or wallpaper
  • Staining on walls and ceilings
  • Damage to electrical wiring
  • Health problems from mold and mildew exposure

If you suspect there is a water drip in your home, it is important to take action right away. The longer the water sits, the more damage it can cause.

How to Fix a Water Leak Inside a Wall in 8 Steps

If you have a leak in your home, it is important to take action right away. The longer the water sits, the more damage it can cause.

Here are eight steps you can take to fix a leak inside a wall:

  1. Find the source of the leak: This may be difficult if the leak is hidden behind a wall. Look for any signs of water damage, such as wet spots or discoloration on the walls.
  2. Turn off the water: Once you have found the source of the leak, turn off the water to your home. This will help prevent further damage.
  3. Remove any damaged materials: If there is any drywall or other materials that have been damaged by the water, remove them.
  4. Dry out the area: Use a wet/dry vacuum to remove any remaining water from the area. You may also need to use fans or a dehumidifier to help dry out the area completely.
  5. Inspect for mold or mildew: Once the area is dry, inspect for any mold or mildew. If you find any, you will need to remove them and treat the area to prevent them from coming back.
  6. Repair the leak: Once the area is dry and free of mold or mildew, you can start repairing the leak.

How to Prevent Hidden Wall Leaks

Leaks can be a major annoyance, especially if they are hidden behind walls. To prevent hidden leaks, there are a few things you can do:

  1. Check for leaks regularly: Inspect your home for any signs of water damage on a regular basis. This can help you catch a leak before it causes major damage.
  2. Fix any leaks immediately: If you do find a leak, make sure to repair it right away. The longer you wait, the worse the damage can be.
  3. Be proactive about maintenance: Regularly check pipes and fixtures for any signs of wear or tear. This can help you prevent leaks before they happen.

Say Goodbye to Water Leaks. Call Our Professionals Today!

Leaks can be a serious problem for any homeowner. They can cause extensive damage to your home, and can even lead to mold growth.

If you suspect you have a clog or water drip, it's important to act fast and call a professional.

Our experts have years of experience dealing with leaks. We'll quickly locate the source of the leak and make the necessary repairs.

Don't let a leak ruin your home. Call 24h Plumbing Pros today! We're always here to help.


If you think you have leaking pipes, the best thing to do is call a professional like us here at 24h Plumbing Pros.

We'll quickly locate the source of the leak and make the necessary repairs so you can get back to enjoying your home. Contact us today!

This blog post was brought to you by 24h Plumbing Pros. We're your go-to professionals in your area, and we're always here to help.

Contact us today for all your water leakage issues!

About The Author:

Scott Reyes, our proficient Managing Editor and a true plumbing aficionado with over 10 years of dedicated expertise. With an in-depth understanding of the plumbing industry, Scott is your go-to source for all things plumbing-related. His wealth of experience ensures that our content is not only informative but also a reliable resource for your plumbing needs. Dive into Scott's articles to tap into his extensive knowledge and insights.
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