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6 Things That Can Show Up In A Crawlspace

6 Things That Can Show Up In A CrawlspaceCrawlspaces hold an odd position in a home: they are simultaneously inside spaces and outside spaces. Unfortunately, this in-between nature means they’re vulnerable to infestations, and insects, mammals, and possibly even nesting birds are all too happy to sneak in and enjoy the warmth and peace of a poorly kept crawlspace. Here are just a few uninvited guests you might expect:


Mold is where it all begins. Mold spores are just about everywhere no matter where you live, and they can start growing anywhere so long as there’s enough humidity for them to survive. They’re particularly fond of dark, undisturbed areas, so a crawlspace with vents that let in the humid outside air are the perfect breeding grounds for them.


The homeowner’s worst nightmares are always finding their way into places where they don’t belong, and depending on the state of your crawlspace they may not even have the decency to infiltrate through the ventilation grates.

Mice And Rats

These small, burrowing pests will often chew their way through wood siding and sometimes even metal grates in order to reach a safe haven. And with all the nooks and crannies available in an open crawlspace, dozens will be able to hide and thrive as they chew tunnels up into floor above them in search of food.

Fleas And Ticks

As if the rodents weren’t enough, what about the bloodsucking parasites that ride on them? Even if you manage to clear out a rat infestation, you’ll be hard-pressed to deal with their parasites without having a few leap onto you in the process.

The best way to get rid of pests like these is to never get them in the first place, but failing that you can encapsulate your crawlspace by installing a vapor shield along the floor, adding a self-emptying dehumidifier, and sealing off the vents that are more trouble than they’re worth.

If you need help with this service and you live in Maryland, Pennsylvania, northern Virginia, DC, Delaware, or New Jersey, then contact AA Action Waterproofing. We have over 27 years of experience waterproofing basements and crawlspaces, and we’ve never come across an encapsulation project we couldn’t finish.

This entry was posted in Mold & Mildew on January, 08, 2016