Why Does My Crawl Space Smell Musty

Does Your Crawl Space Have a Damp, Musty, Moldy Smell When It Rains?

If you are getting that musty, “basement” smell when you go in or near your crawl space, you are probably experiencing water problems. These are, unfortunately, common. Luckily, we can help you fix it so the smell disappears and your crawl space stops having water issues.


Crawl Space Flooding

Most crawl spaces have a dirt floor.

  • If your crawl space has a dirt floor, this means that any time it rains, snows, or the water table rises, your crawl space will flood.
  • Because there is no┬ácement flooring, water from rain storms can simply seep up through the dirt (or just come in through the door to your crawl space).

You probably won’t even notice it when it happens because, really, how often do any of us go into our crawl space?

The water that gets in causes flooding, wets the walls, soaks the wood of your crawl space’s ceiling and causes mold and mildew to grow. It is mold that gives off that “musty” smell.

How to Get Rid of the Musty Smell

Most home owners are told to simply lay a sheet of plastic over the dirt floor. This is a popular fix recommended by DIY websites.

But, all this does is put mold under the plastic and actually causes the moisture and water problem to get worse. Mold has survived since the beginning of time… a sheet of plastic is not going to stop it from spreading.

The only thing that can get rid of mold and foul smells is to stop water from getting inside:

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