Definition of bullous. : resembling or characterized by bullae : vesicular bullous lesions.
Typical costs: Costs for complete installation of an encapsulation system start around $2,000-$4,000, average $5,000-$7,000 and can go as high as $8,000-$14,000 or more, depending on the size and condition of the crawlspace, local rates, and the materials used.
Typical Costs for Crawl Space Encapsulation. 1  Low-End Estimate: $2,000. 2  High-End Estimate: $14,000. According to Aqua Guard Basement Systems, project costs for a complete crawl space encapsulation vary, depending on the size of the crawl space and the age of the home.