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Can Basement Waterproofing Prevent Mold Growth?

basement‘Basement waterproofing’ has a very broad definition, and can include any number of measures, fixes, materials and adaptations that prevent water from entering your basement. Depending on your unique situation, you might pay as little as $400 for basement waterproofing efforts. On the other hand, some homeowners have invested $15,000 or more to protect their basements from unwanted moisture.

There are many reasons to consider such an investment—especially if you live in an area that is more susceptible to flooding, excessive precipitation, runoff, rivers or even humidity. Protecting the foundation and integrity of your home, and the possession inside, is one big reason. Preventing mold growth is another.

We know that mold grows in wet, humid, dark conditions. That’s why humid basements, especially those that have sustained water damage or have serious waterproofing faults, are common breeding grounds for many types of residential mold.

Basement waterproofing methods that might be used to prevent mold growth in your basement include:

  • Replacing faulty gutters and downspouts
  • Installing new drainage systems and pumps
  • Polyethylene wall fittings to prevent condensation from entering
  • Wall sealants and/or crack fillings
  • Dehumidification and/or ventilation devices
  • Excavation work around the exterior of the home’s foundation

Some of these methods are more effective than others—and some are obviously more expensive. It’s impossible to know exactly which types of waterproofing will apply in your case until you consult with a waterproofing professional.

One thing’s for certain, though: If you have moisture problems in your basement—whether it’s due to improper drainage, excessive rainwater, or even faulty construction around the base of your home—mold is almost sure to follow. And if you think water damage is expensive to clean up, wait until you add a full-scale mold invasion to the bill!

Hopefully this doesn’t happen in your case; but if your basement is too moist, you might have to do something about it before a minor problem turns into a major one.

Even if you do waterproof your basement—or if you don’t have a serious moisture problem—you can still be affected by mold if you don’t follow general mold prevention guidelines. For example, humidity and ventilation are key aspects of mold growth and prevention. The air in your basement may be too moist even after you’ve undertaken other waterproofing measures. That’s where dehumidification and ventilation devices can make all the difference. Control the amount of moisture in the air and you’ll keep mold growth at bay.

So—can basement waterproofing prevent mold growth or not?

The short answer is no—at least not on its own. Basement waterproofing can certainly give you an advantage, especially if you live in a place where basement water damage is a common occurrence. But in order to really stay ahead of the curve and prevent mold from growing in your basement (or anywhere in your home), it’s vital to control the moisture in the air, encourage proper ventilation, let in plenty of daylight wherever possible, and even talk to a mold prevention specialist to outline a solid plan for keeping your home mold free.

We hope you’ve found this information helpful, and thanks for stopping by!

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