VOLTEX GB-500 Learn More

Protecting your building with proper waterproofing is just as critical as a vapor intrusion mitigation system. For years CETCO has been the leader in defending your structure from water ingress. Now our product line welcomes a new addition to the offering. VOLTEX® GB-500 is a membrane composite comprised of a 500 micron thick, 7 layer engineered film consisting of polyethylene and a EVOH barrier layer with integrated bentonite geotextile waterproofing tanking membrane.

Vapor Barrier

This new EVOH barrier resists the ingress of radon, methane, and carbon dioxide gases into buildings from landfills and naturally occurring sources.

Water Barrier

Lighter and more impervious than traditional waterproofing products, VOLTEX provides protection for any cast-in-place, below-grade concrete construction.

Easy Installation

Featuring an exceptionaly flexibile membrane, and requiring no primers, VOLTEX can be installed directly to green concrete as soon as forms are removed.


Durable and Contaminant Resistant

Extremely durable, VOLTEX is self-seaming and self-sealing — there’s no worries about the inevitable small tears and punctures that always occur on construction sites. VOLTEX is available with a variety of enhancements to protect against contaminants including saline, nitrates, phosphates, chlorides, sulfates, lime, and organic solvents.



VOLTEX GB-500 Roll

World-Class Waterproofing Performance

VOLTEX combines sodium bentonite layered within a durable geomembrane to provide waterproofing protection for cast-in-place, below-grade concrete constructions, such as:

  • Structural Slabs
  • Property Line Walls
  • Backfilled Walls
  • Cut-and-Cover Tunnels
  • Earth-Covered Structures

VOLTEX also outperforms other solutions for precast concrete construction and under contaminated conditions. In both hydrostatic and nonhydrostatic conditions, it is dependable, expanding as it absorbs water to seal any small concrete cracks caused by ground settlement or concrete shrinkage, the bentonite core using the water’s own pressure to block gaps.