##  [What is crawl space encapsulation?](/faq/what-crawl-space-encapsulation) 

 Every crawl space is treated on a case-by-case basis, but generally, [encapsulation](/service/crawl-space-encapsulation) can be seen as a four-step process:

1. Crawl space inspection
2. Air sealing and crawl space insulation
3. Crawl space vapor barrier installation
4. Installation of a crawl space dehumidifier