Monday, July 18th, 2016 by Gabe McNee
Step 1: Isolate the home from the wet ground
Even if you think your crawlspace is dry, the dirt below the surface is always moist. After all, rain water doesn’t just disappear when it hits the ground. The moist earth will seep water vapor into the air. This will ruin fiberglass insulation and can lead to wood rot and mold.
The best way to isolate the ground from the house is to install a quality vapor barrier, such as CleanSpace. CleanSpace is super thick and durable so you won’t need to worry about tearing. Once your crawl space is encapsulated you will notice it is easier to maintain heat and cold, as well as, a reduction to elimination of smells and odors.
Step 2: Seal off the outside air leaks
Major air leaks like an old metal crawlspace door or leaky foundation vents are an excellent way for humid air to penetrate your crawlspace. The old way of doing things was to open the vents in the summer to let warm air circulate. The problem is that warm summer air is often times very humid. Leaving the vents open is no different than blowing humid air into your crawlspace for several months in a row. The best way to stop these leaks is to block and seal the foundation vents. Wet air cannot ruin your crawlspace if it has no way to get in. In addition, by sealing the crawl space you will effectively keep out the insects and critters trying to take up residence in your crawlspace.
Step 3: Dry the existing air
The crawlspace can never be sealed 100%, so you will need to address the issue of the existing air and the small unseen leaks. By installing a crawl space dehumidifier it can dry the remaining air in the crawl space. We offer the SaniDry CX. This crawl space dehumidifier dries the air, sucks out small particles like mold, and then circulates the dry air with a massive fan. It is also extremely energy efficient and will work better than department store dehumidifiers.
The end result...
a clean, healthy, and dry crawl space!
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