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Our expert crews apply liquid vapor barriers, sub-slab venting systems, and methane and radon mitigation assemblies—built for lasting durability, compliance, and jobsite efficiency.
H2K Sub Slab Blower systems are used to prevent intrusion of subsurface vapors such as radon, chlorinated, and petroleum (BTEX) vapors into inhabited buildings. These units are a very common tool in commercial, industrial, and residential developments for new construction and site retrofitting.
SSV can be installed in buildings, at or near vapor intrusion sites, where the permeability of the material below the floor is high, such that ventilation reduces sub-slab concentrations to levels too low to pose a potential indoor air quality concern.
GEOVENT is a low-profile pressure relief, trenchless collection and venting system designed to improve venting efficiency and reduce installation costs. GEOVENT can alleviate the accumulation of gas vapors under the slab.
Passive new construction systems rely solely on the convective flow of air upward in the vent pipe for sub-slab depres-surization. The system consists of a vertical vent pipe routed through conditioned space from the suction pit to at least 12 inches above the roof.
Geiger builds sub-slab depressurization systems that use blower, fan, or vacuum pump-powered ventilation systems to lower sub-slab air pressure relative to indoor air pressure.
Midwest Barrier Solutions specializes in sub-slab ventilation system installation that delivers long-term protection from vapor intrusion, methane gas, and other subgrade contaminants.
The typical VIMS methods and systems are separated into two main categories — passive VIMS and active Sub-slab vapor collection systems are installed underneath the building's structure.
A typical way to vent sub-slab soil gas in new construction is using a perforated ventilation network, consisting of pipes or low-profile vents that run beneath the slab and direct the vapors to a centrally located plenum box or pipe header.
An active sub-slab soil exhaust system draws moist air from underneath the slab and may help to reduce the amount of moisture that enters your home through openings in the slab.
avmindustries.com DownloadAussie Mate 580-AL is a UV stable, heavy duty bituminous sheet membrane with aluminum protection layer for Below-Grade waterproofing applications and is available in a 60 mil or 80 mil thickness . Aussie Mate 580-AL may also be used as a methane and/or vapor barrier under horizontal slabs on grade.
Learn about the two main companions for methane mitigation construction: sub-slav ventilation system and membrane engineering.
SSD is the most common engineering control installed in buildings at or near vapor intrusion sites. The operational objective for SSD systems is to create a negative pressure below the building slab. Depressurization occurs when the pressure below the slab is less than that of indoor air.
Integrated systems are designed to vent methane gas buildup and meet local regulatory standards safely. Complete sub-slab and membrane-based radon protection for commercial sites and new builds. Every property has unique protection needs.
Midwest Barrier Solutions offers comprehensive vapor mitigation services to address subsurface contamination risks nationwide. From methane gas to chemical vapors and radon, our systems are engineered to meet environmental compliance standards and support safe site development in various industries.
A typical way to vent sub-slab soil gas in new construction is using a perforated ventilation network, consisting of pipes or low-profile vents that run beneath the slab and direct the vapors to a centrally located plenum box or pipe header.
With years of experience navigating Illinois building codes and soil conditions, we tailor each commercial radon mitigation system to the site’s unique challenges. These systems draw radon gas from beneath the slab and safely vent it above the roofline, preventing it from accumulating indoors.
esaa.org DownloadEnsuring caulking seals cracks in floors, etc. New and existing structures; sumps, drain tiles, and block wall foundations may also be depressurized if present. Sealing to foundation wall, pipe penetrations; membranes may be damaged by occupants or trades people accessing crawl space. Liquid boot asphaltic emulsion How do you design barrier layer?
Sub slab ventilation systems are a vital component of radon mitigation efforts. These systems play a crucial role in maintaining indoor air quality and protecting occupants from the health risks associated with prolonged radon exposure.
itrcweb.org DownloadA typical way to vent sub-slab soil gas in new construction is using a perforated ventilation network, consisting of pipes or low-profile vents that run beneath the slab and direct the vapors to a centrally located plenum box or pipe header.