- Vapor Intrusion Barrier Systems

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LIQUID BOOT - Vapor Intrusion Barrier Systems

LIQUID BOOT is a spray-applied, water-based membrane containing no volatile organic compounds (VOCs). With superior chemical resistance properties it seals all vapor intrusion pathways, preventing contaminated soil vapors from penetrating the slab. LIQUID BOOT spray applied vapor intrusion barrier systems can be used in underslab and below grade vertical wall applications to minimize gas and vapor intrusion into buildings.



Venting in Conjunction with a Gas Vapor Barrier System

GeoVent™ requires no trenching GeoVent™ requires no trenching

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.'

GeoVent Gas Venting System

GeoVent 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.
2870 Forbs Avenue
Hoffman Estates ,  Illinois 60192


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