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.
Polyurethane is a versatile material that can be worked into almost any design. However, like MDF molding, it is prone to denting and may not hold paint or stain for proper finishing. The cost of polyurethane crown molding runs from $2 to $6 per linear foot, not including installation.