Liquid Boot® System

 

System Description

Liquid Boot is a cold, spray-applied, water-based membrane that contains no VOCs and provides a seamless barrier against vapor intrusion into structures. Liquid Boot is installed under slab and on below grade vertical walls as a gas vapor barrier to minimize vapor and nuisance water (non-hydrostatic conditions) migration into buildings.

Benefits of Utilizing the Liquid Boot® System

  • Spray application provides excellent sealing of penetrations
  • Seamless, monolithic membrane means no mechanical fastening required
  • Superior protection from methane gases and water vapor
  • Extensive physical and chemical properties product testing

Sealing Critical Vapor Intrusion Pathways

Liquid Boot spray-applied application effectively and seamlessly seals all crucial vapor intrusion pathways which are critical areas when protectiing against the threat of vapor intrusion.

 



 

Venting in Conjunction with a Gas Vapor Barrier System

Venting involves the placement of a venting layer below the building footprint to allow soil gas vapors to move laterally beyond the perimeter, alleviating the accumulation of volitile or explosive gases from beneath the structure. The Interstate Technology Regulatory Council (ITRC) states in their Vapor Intrusion Guidance Document that "in most situations, at least passive venting should be combined with passive barriers."

GeoVentTM Gas Venting System

GeoVentTM is a low-profile, trenchless gas collection and venting system designed to improve venting efficiency and reduce installation costs. GeoVent can be used as an “Active” or “Passive” venting system depending on the specific project. GeoVent™ can be used with Liquid Boot and Coreflex barrier systems. GeoVent allows for:

  • Placement in closer proximity to the gas vapor barrier allowing for more effective venting
  • Greater opening area per lineal foot of pipe and integral filter fabric allowing for higher ventilation efficiency
  • Installation at a higher elevation reducing susceptibility to inundation from perched groundwater that may accumulate beneath the building foundation
  • Flow characteristics that meet or exceed that of a typical trenched installation. The overall capacity of the system is far in excess of typical gas flux rates.
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