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FAQs

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Where should dehumidifiers be installed?

While there isn’t a specific location necessary for the dehumidifier, it’s typically installed near the sump pump to help with drainage.   Often the dehumidifier is installed in an area where it is visible from the opening of the crawl space. Making it easy to ensure it is functioning efficiently.  

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Why does wood rot thrive in a crawl space? 

Because a crawl space provides all the conditions needed for dry rot to grow. High humidity, darkness, and wooden structures are all present in an unprotected crawl space. It’s a feeding ground for dry rot. 

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What happens if dry rot is untreated?

If dry rot is ignored, your home’s structural integrity becomes compromised. Floors will have a severe sag, furniture may become angled, and your floor could even collapse.  

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How do I insulate the floor over my crawl space?

Insulating the floor over your crawl space isn’t necessary if the crawl space is properly encapsulated. Insulation on the walls and a vapor barrier on the floor seal out outside air, keeping the temperature stable.   Adding insulation to the floor would only increase the cost.

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Should I insulate my crawl space?

Absolutely. Insulating your crawl space saves money by creating a warmer and more even temperature both in the crawl space and the living area of your home.  

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How long does an average crawl space dehumidifier last?

A dehumidifier is mechanical, so estimating how long it will last is tricky. However, look for a dehumidifier with a manufacturer’s warranty of at least 5 years.   A high-capacity unit able to remove a large volume of water per cycle is best. Fewer cycles result in a longer lasting product.  

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Can you use a regular dehumidifier in a crawl space?

While you certainly can install a regular dehumidifier in your crawl space, the results will be less than successful, and it will involve a lot of work on your part to keep it in good condition.   A regular, big-box store dehumidifier is not designed for use in such a large humid area. This means it […]

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Where should dehumidifiers be installed?

While there isn’t a specific location necessary for the dehumidifier, it’s typically installed near the sump pump to help with drainage.   Often the dehumidifier is installed in an area where it is visible from the opening of the crawl space. Making it easy to ensure it is functioning efficiently.  

JES Foundation Repair service area map of the Mid-Atlantic region.

Our Locations

Baltimore

8361 Town Center Ct
Nottingham, MD 21236

Fredericksburg

311 Central Rd.
Suite 2-02
Fredericksburg, VA 22401

Hampton Roads & NE NC

2569 Quality Ct
Virginia Beach, VA 23454

Northern VA & DC

7940 Gainsford Ct.
Bristow, VA 20136

Richmond

309 Quarles Rd
Ashland, VA 23005

Southwest Virginia / Roanoke

2033 Cook Dr.
Salem, VA 24153

Western Virginia

456 Old Courthouse Rd
Appomattox, VA 24522

Winchester

45 W Boscawen St,
Winchester, VA 22601