CETCO’s Construction Waterproofing Group produces Volclay Waterproofing Products, which utilise the unique, high-swelling properties of natural sodium bentonite, a clay of volcanic origin with the ability of swelling many times its dry volume when in contact with water, forming, in a contained state, a dense, impenetrable gel, that completely locks water out.

Volclay Waterproofing Products are essentially ‘self-sealing’, with the ability to seal minor cracks and honeycombing in concrete, and do not require the installation/workmanship rigours associated with traditional ‘peel & stick’ membranes, which can so often lead to failure.

Our Voltex membrane, which combines the superior properties of bentonite with the flexibility of polypropylene geotextiles, is rugged in construction and highly resistant to site damage. Voltex is unique in offering ‘automatic’ mechanical bonding to concrete, elimination of water tracking, all weather installation, and application to all types of rough and uneven surfaces, including auger cast concrete retention walls. Voltex installation savings over its competitors are substantial.

Volclay Waterproofing materials offer the additional advantage of being the most environmentally friendly products available. Millions of square metres have been successfully installed worldwide.

CETCO’s commitment to quality products, service and technical back-up is formally recognized through Quality Certification in various national and international standards (including BBA Certification), backed up by the experience of our parent company, AMCOL International, the largest bentonite producer in the world. Our group representation currently extends to over sixty countries.

CETCO believes that below-ground waterproofing is considered by contractors to be an obstacle to pouring concrete and progressing the job. In addition, site conditions during groundworks coupled with the weather can be far from ideal when placing waterproofing membranes, particularly those, which require primers, adhesives, lapping tapes, etc.—and because of their ‘plastic bag’ waterproofing principle, need perfect installation. VOLTEX has met the site challenge and triumphed—as evidenced by extensive contractor led project success.

Building on this success CETCO’s Construction Waterproofing Group have introduced the CETCO Formula a water-based sealer and concrete densifier and the CETCO Contracting Division which specializes
in sealing water ingress in basement structures.