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.
1 The removal period is an entirely separate process and requires containment of any debris or dust. 2  The average costs vary, but standard removal runs at $15 to $25 per square foot while encapsulation or enclosure of stable asbestos runs around $2 to $6 per square foot; Once the initial inspection is done, the removal begins. 2  If the inspector identified areas of concern, most abatement professionals will use a HEPA vacuum system to pre-clean the entire area, at an average cost of $39 per square foot.