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Crew installing interior drainage in basement

Basement Wall Condensation

Your basement can be affected by water damage in several ways, including excessive condensation. These issues occur due to an unprotected basement. Learn more here!

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Have you ever been in a basement and questioned why the walls and windows appeared to be perspiring? Although condensation in a basement is not uncommon, it is a problem that needs to be solved. 

Basements can serve many purposes, including a storage space for books, pictures, old newspapers, and journals, which can quickly absorb moisture and become irreparably damaged. In addition, anything made of metal will start to rust, and fabrics like furniture, carpeting, or clothing will start to grow mold and mildew when exposed to humidity. 

Why Condensation is a Problem

Mold and Mildew Growth

Mold and mildew can quickly develop around a window if condensation is developing on it. Condensation is largely humidity, which is what they require to grow at humidity levels higher than 70 percent.  
Thus, condensation provides the perfect setting for mold growth. Mold can still develop near windows with a lot of moisture, even if the humidity levels in the remainder of your basement are acceptable. 
With the exception of black mold, mold and mildew are often not hazardous to humans. It does not exclude them from posing issues, though. Spores that are airborne and can contaminate the air in your living space are how mold spreads. 

Musty Smells

Finding the source of unpleasant, musty smells is not always simple. The reason for this is that a basement has a unique smell that you won’t find anywhere else. Basements frequently smell musty due to excessive humidity levels.  
The amount of vapor in the air as compared to the maximum amount of moisture that the air can hold at that temperature is known as relative humidity. 
 High relative humidity is hazardous because it fosters the growth of certain bacteria and fungus, all of which produce musty smells.

Pests and Rodents

Condensation in the basement makes this space inviting to rodents and insects, such as rats, roaches, and other harmful pests. Condensation causes mold and mildew, which, in turn, attracts insects. As a lot of rats eat insects, they can easily get into your basement.  
Rodents see a refuge with food and water, or an ideal breeding environment, where you see a wet, moldy basement with bugs.

Basement Condensation


There are a number of approaches you can take to resolve the condensation issue in your basement. Basement waterproofing is a preventative measure. A sump pump, which is designed to drain enormous volumes of water in a short period of time, can be installed by a professional to prevent flooding in your basement.  

You can also install a dehumidifier once the water, mold, and other organic materials have been removed from your basement. A dehumidifier will assist in managing the moisture levels in your basement, removing the risk of condensation. 

You should not attempt to resolve condensation issues in your basement on your own, even though it can seem like a simple repair. The easiest way to deal with bothersome condensation in your basement is to hire a specialist like Tar Heel.  

Moisture issues and water damage could seriously harm your home and even risk its structural integrity. In addition to causing further harm to your property, attempting to fix the problem yourself may result in damage that will cost you more money than if you had first employed a professional. 

It is typical to observe what appears to be beads of sweat running down your uninsulated walls. Condensation will inevitably start to occur when the outside air is warm and humid. As a result, water forms droplets on basement walls that gradually flow down the wall, giving the impression that the wall is “sweating.” 

Handle Condensation by Reaching Out to Tar Heel Basement Systems!

Condensation can easily form and lead to problems that will wreak havoc on your basement and entire home. If you ignore the early signs of water damage, your basement’s damage will only become worse, so always keep an eye on your home! 

You can rely on Tar Heel because we’ve handled damp basement issues throughout Raleigh, Wilmington, and North Carolina‘s northern region. If you believe your basement has too much condensation, get in touch with us. We’ll complete a free basement inspection and provide you with a free, no-obligation repair estimate. 


Tar Heel utilizes various types of equipment and solutions that are designed to keep your home safe from water damage. Our expert team can waterproof your basement with the use of sump pumps, dehumidifiers, and a complete drainage system. Mold, excessive humidity, and damage to your basement’s wooden structures can all be avoided this way.

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TarHeel Basement Systems Service Map

Our Service Areas

Greensboro Location

611 Summit Ave, Suite 5
Greensboro, NC 27405

Raleigh/Durham/Chapel Hill Location

3333 Air Park Road
Fuquay-Varina, NC 27526


1209 Culbreth Dr., Ste 205
Wilmington, NC 28405

Winston-Salem/High Point Location

2910 Griffith Rd
Winston-Salem, NC 27103