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4 Signs Your Home Needs Exterior Waterproofing

If your home has a basement that has not been waterproofed, it may be time to start thinking about having exterior waterproofing done. There are many different options for effectively waterproofing a home's exterior to prevent unwanted moisture in basement spaces. Not sure if your home needs waterproofing services? The best way to find out is to schedule an in-home consultation with a professional; however, there are some signs to watch out for that could indicate you're already dealing with moisture issues in your basement.

Musty Smells

If you notice a musty smell in your basement, this is definitely due to lingering moisture. Of course, there are many potential causes of moisture, ranging from high indoor humidity to a hidden plumbing leak. A good way to check is to take an indoor humidity reading in your basement. If the levels are high (generally 70% or higher), you could be dealing with a moisture problem that waterproofing your basement could resolve.

Mold Growth

Mold and mildew grow and thrive in damp, humid, and dark areas, making wet basements a common breeding ground for these problems. If you've noticed any mold or mildew growth in your basement, this should be a huge red flag. Unfortunately, mold is also a major health risk for you and anybody else living under your roof, so this is something you'll want to address sooner rather than later.

Moisture Stains

When water gets into your basement, it tends to do so through the walls, so look specifically along your basement perimeter walls for signs of moisture. The walls themselves may feel damp to the touch, or the drywall may feel soft in some areas. In other cases, you may notice staining or discoloration from water damage. These are all signs that moisture is finding its way into your basement.


Another sign of high moisture levels in a basement is the presence of rust or corrosion on metal fixtures. Check your basement door hinges, for example. Too much moisture in the air will cause these to rust, which would not happen in a dry environment.

Having moisture in your basement can lead to major headaches down the road, but the good news is that exterior waterproofing is an effective way to prevent further water from getting into your basement. If you notice any of these red flags in your basement, contact an exterior waterproofing professional for an evaluation right away.

For more information on exterior waterproofing, contact a waterproofing contractor.