Frequently Asked Questions

How does moisture get into my crawl space?

Moisture is introduced into the crawl space by 3 different methods:

  1. Humid air through the foundation vents
  2. Ground water intrusion (exterior drainage issues)
  3. Plumbing leaks


What happens when moisture gets into my crawl space?

Mold growth is the most common issue, Termites are also drawn to the moisture.


Are foundation vents good or bad?

Foundation vents in the Southeast are very bad.  In the summer months humid air enters the crawl space and condensates.


How can I stop moisture from entering my crawl space?

Encapsulation prevents moisture from entering in vapor form.

Exterior and/or interior drains along with a good vapor barrier addresses groundwater intrusion.


Do I need a dehumidifier?

When Columbia Crawl Space & SFI does your crawl space, a dehumidifier is typically not needed.   We will sometimes use them temporarily to rapidly get moisture levels down and then the crawl space will maintain suitable humidity levels.


How much does it cost?

The cost is based on the square footage of the crawl space base area and also the square footage of the foundation walls.

If drains are needed, these are priced by the linear foot.


How long does it take?

Typically, it takes about 3 days


Are there any other benefits to encapsulating my crawl space?

Yes, it is more energy efficient, healthier and turns your crawl space into an asset when it is time to sell your home.

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We had our walk-in crawlspace encapsulated and insulated to make it clean, dry and useable for long term storage. We are delighted with the results; the space is clean, bright, temperature and humidity controlled. Mark and the guys at Columbia Crawl Space were efficient, professional and very conscientious of their work. The scheduling was flawless. The guys arrived ready to work, with all the right materials for that day and left the job site spotless at the end of the day. I would recommend Columbia Crawlspace to friends, neighbors, and family.Jill Griffin

The team at Columbia Crawlspace just completed encapsulation of my crawlspace in a new home. I believe they did an incredible job beyond my expectations for the cost. I had proposals from many different providers but Mark’s proposal was the most cost effective. What Mark proposed seemed reasonable and I think it will solve my problem without a lot of unnecessary bells and whistles the other contractors tried to sell me. Due to the care, they took to do the work, I trust Mark’s team and would do business with them again.Bob Johnson

They made the insulation phase a stress-free and the crew makes you feel at ease with honesty and professionalism. The foam products installed in my new home have given me peace of mind knowing I now have an ultra-efficient finished product. They did a great job from start to finish. The quote was very budget-friendly and the job was completed to the highest standards. Insulation is very an important part of any home, so make sure to hire professionals. Columbia Crawl Space is a cut above the rest. Five Stars! Thank you so much!Ivan Kellman

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