Patent ID: 6575666
Filing Date: 2003-06-10
Classification: E02D

Abstract:
An encapsulation system for preventing the penetration of water vapor and ground water into the crawlspace environment of a building, said crawlspace environment having a floor surrounded by a substantially continuous peripheral foundation enclosing said crawlspace environment beneath the building, said system comprising a continuous sealed plastic liner barrier layer covering the entire floor of the crawlspace to provide a barrier against the penetration of groundwater and water vapor up through the floor and into the air space of the crawlspace, said barrier layer having vertical extensions which extend vertically up against the interior peripheral foundation to a height greater than the corresponding ground level at the exterior surface of the foundation and which are bonded to the interior peripheral foundation by a continuous seal adjacent the upper edges of said extensions to provide a continuous barrier against the penetration of exterior groundwater through said foundation and water vapor from said floor and into said crawlspace environment.