Encapsulate Your Crawl Space

 In Articles, Pest Control

Your home is supposed to be a safe place, but do you know what is going on in your crawl space? Under your house can be a place for moisture, mold, and pests to live and thrive. Encapsulating your crawl space can prevent all of these from happening along with other benefits, but many people don’t even know what it is. Here are the answers to questions you may have when deciding whether to encapsulate your crawl space.


Encapsulation is the process of covering your entire crawl space in white plastic and installing a sump pump and dehumidifier. A sump pump pulls water that may get into your crawl space out and a dehumidifier lowers the humidity level in the crawl space. All the crevices, vents, and seams are sealed through encapsulation. Normally, when you encapsulate your crawl space it comes with insulated foundation walls and band joist. That is to ensure everything is properly sealed from the outside.


Another option is sealing your crawl space. This is laying a vapor barrier, six millimeter plastic, throughout all of the crawl space. In this process, the vents aren’t completely sealed, so there is no need for a dehumidifier or sump pump. This cuts down on costs, but moisture can still come in. The risk of pests, mildew, and mold is lowered, but there is still a likely chance that these can occur, while with encapsulation you don’t have any of it. Sealing may be cheaper up front, but encapsulation is worth it in the long run.

Benefits of Encapsulating Your Crawl Space

  • Keeps pests from under your home
  • Save money by lower your power bill
  • Prevents mildew and mold
  • Keeps your air clean and clear
  • Adds value to your home


Encapsulating your home can prevent mildew and mold from being produced and creating health risks for your family. Encapsulation allows for better air quality. You share air with your crawl space, so you want to have a clean crawl space and encapsulation allows for it to always be that way. There is also a benefit in saving money. Having your crawl space encapsulated helps it stay a more consistent temperature throughout your house helping to lower your energy bill and making you more comfortable in your home. Pests will stay away from that area if it is dry, so when you go to check your water heater, there won’t be any surprises hiding down there.


There are a few steps that need to happen before encapsulation can happen, like looking for water or mold. Standing water near or in your crawl space, means you could have drainage problems and water can seep into your crawl space. If you notice that, contact a structural engineer or drainage company before pursuing encapsulation. Mold is another issue that will need to be cleaned up before encapsulation, your crawl space should be thoroughly inspected so all the mold is cleaned out. While someone is down there working, it is also good to go ahead and check all your appliances. Encapsulating your crawl space with gases can allow those to backdraft into your house creating more issues. Most homes don’t have any issues, but checking helps prevent potential problems.

Encapsulating your crawl space adds value to your house and creates a better living situation. While you can do it on your own, the best results come from a professional. There are many technical issues that could happen during encapsulation that professionals would catch that you may not. Encapsulation isn’t a simple process, but can help you avoid foundation and health issues through it. 

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