signs of water damage in walls

Signs Of Water Damage In Walls

Water damage in walls can originate from the outside, like storms, or from the inside, such as busted pipes. Any water damage can lead to mold growth and structural problems with your drywall if it is not treated.

When flooding occurs, it is simple to identify the water damage. Standing water on the floor is usually a sign that your house is at risk. Yet, it’s not always easy to see signs of water damage in walls. Presumably, there’s greater water damage to the walls than what’s visible from the outside.

Commonly Signs Of Water Damage In Walls

Unnoticed water damage can build up and cause severe damage to your house or place of business. For this reason, it’s critical that you recognize and be able to distinguish the typical signs of water damage in walls. 

Sometimes, even when it’s hidden, there’s a chance that the water damage will affect the structure of your house and endanger your family, workers, or clients. It can be risky to ignore water damage since, in certain situations, damage may not even be apparent to you until a professional inspects the property.  

The following are common signs of water damage in walls:   


Search the wall for any stains that start from the ceiling. These stains may stretch to the floor or be only a few inches or longer.

The discolored area of the wall can lead you to think that you have discovered the full extent of the water damage, but you can never be sure what’s happening beyond that wall. The area between your drywall and the edge of your house may have more significant damage, and this might be a pebble in the coal mine of damage.

Long-standing water damage will seem chalky white, whereas recent damage will seem darker. 

Softened Drywall 

The most often overlooked sign of water damage in walls is softened drywall. When the drywall is wet on the backside but seems normal from the outside, this is called softness. Put pressure on any drywall sections that you believe may have water damage. You have unnoticed water damage to your wall if it collapses or becomes flat. 

The likelihood of mold growth is significant because this kind of water damage in walls is frequently overlooked. Keep an eye out for any strange mold or musty odors, and contact your water damage professional right once if you notice any. 

Cracking And Breaking Walls 

There is most likely water damage hidden behind your paint or wallpaper if you see it cracking or breaking. Large areas of water damage that have grown and spread are usually the cause of cracks. Also, these are typically signs of a moist wall. 

Paint can be cracked on the surface due to water accumulating beneath it and pooling, causing breaking. Although it is simple to recognize this kind of water damage, the extent of the water damage to the walls behind what is happening is uncertain. 

Both big and little cracks or breaks that indicate water damage in walls should be handled by water damage professionals. 

Mold Growth 

If your house or place of business keeps getting wet mold may grow on it. The color of mold can vary from black to grey to white. Due to its ability to remain hidden behind walls, mold is extremely hazardous. It’s best to leave this to the professionals as mold can also lead to respiratory problems. 

Moldy Smells 

Another sign of water damage is the moldy or soggy smells. It smells strongly close to the source of the leak and is similar to wet cardboard or newspaper. Plus, it could smell before water dripped on the wall.  

If the water damage is not easily recognizable, this can help identify the particular areas because the smell will be more noticeable where it lies. 

Water Running Sounds 

Hearing and sight are two senses that can detect water damage in walls. Listen for the sound of running water by placing your ear against the wall. You are listening to the sound of water trickling, gushing, or flowing. 

Rain Brings Water Into the House 

How is rain bringing water into your house? There are several possible causes for this, such as rainwater entering through the siding, window, or roof runoff. 

Health Concerns 

A mold infestation brought on by water may be the cause of abrupt respiratory health problems. Numerous health problems, such as asthma attacks, respiratory infections, and severe allergic reactions, have been caused by mold. 

Checking for damage throughout your house should not be put off until you see brown patches. Doing regular maintenance around the house doesn’t have to wait for a crisis to occur. Knowing how to spot water damage in your house can help you prevent possibly hazardous health problems as well as save money on pricey repairs.  

Increasing Water Bill 

There may be a water leak if your family’s daily routine remains unchanged and you discover an increase in your water bill. Start by inspecting your water meter.

Write down the water meter’s number. After that, switch it off for approximately three hours. Turn it back on after three hours and write the water meter number. Should the water meter number increase, you may have an internal plumbing leak and ought to inspect for any of the signs mentioned earlier. If you are unable to track down any, seek assistance from a professional. 


If you suspect a leak, you may be able to identify water damage in walls if you know what to look for. The damage that takes place behind your walls is too hidden to know about and might have long-term effects on your house and health. 

Inspect for signs of water damage in walls during and after rainfall, leaky pipes, or malfunctioning appliances. Look into any unfamiliar smells over time, especially any moldy or musty ones. 

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