Cetco Voltex Waterproofing Membrane 4' x 15' Roll

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Product Details

Cetco Voltex Waterproofing Membrane 4' x 15' Roll

VOLTEX is a highly effective waterproofing composite of high-strength geotextiles and 4.8 kg/sqm of sodium bentonite per square meter (1.0 lbs/sf). The high swelling, low permeable sodium bentonite is encapsulated between a non-woven and woven geotextile. A needle punch process interlocks the geotextiles together forming an extremely strong composite that maintains the equal coverage of bentonite, as well as, protects it from inclement weather and construction-related damage. Once backfilled, VOLTEX hydrates and forms a monolithic waterproofing membrane. VOLTEX contains zero VOCs, can be installed in almost any weather condition to green concrete, and most importantly, it has proven effective on both new and remedial waterproofing projects worldwide.

VOLTEX works by forming a low permeability membrane upon contact with water. When wetted, unconfined bentonite can swell up to 15 times its dry volume. When confined under pressure the swell is controlled, forming a dense, impervious waterproofing membrane. The swelling action of VOLTEX can self-seal small concrete cracks caused by ground settlement, concrete shrinkage, or seismic action; problems over which there is normally no control. VOLTEX forms a strong mechanical bond to concrete when the geotextile fibers are encapsulated into the surface of cast-in-place concrete.


VOLTEX is designed for below-grade vertical and horizontal structural foundation surfaces. Typical cast-in-place concrete applications include backfilled concrete walls, earth-covered roofs, structural slabs, tunnels, and property line construction. Property line construction applications include soldier pile and lagging, metal sheet piling, shotcrete, and stabilized earth retention walls. Applications may include structures under continuous or intermittent hydrostatic pressure. Where contaminated ground-water conditions exist, use VOLTEX CR with contaminant-resistant sodium bentonite. VOLTEX CR resists higher levels of the following contaminants: nitrates, phosphates, chlorides, sulfates, lime, and organic solvents.

Brand: CETCO