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 ground water 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 sell your home.