Foundation Waterproofing Systems

Protect your structure with proven, industry-leading waterproofing technology and quality assurance program.

With more than 60 years of experience in waterproofing technology, CETCO® has garnered worldwide recognition for quality, performance and reliability. From underslab, property-line, and backfilled wall applications, you can be assured of optimum performance for all your foundation waterproofing needs.





A water-based latex adhesive used primarily to secure the Swelltite membrane in both vertical and horizontal applications. The product is VOC compliant and changes from a light gray to dark gray upon application. Waterproofing membrane is installed to adhesive after it turns to dark gray color. Available in 18.9 Liter (5-gallon) pails.

AKWASEAL® LV Polyurethane Grout

A versatile remedial waterproofing product that stops water infiltration into, or out of above and below grade concrete structures. Proven effective in concrete joints, cracks, and poorly consolidated areas in concrete walls, floors and ceilings.


A hydrophilic rubber waterstop, AKWASTOP swells up to 300% upon contact with water and provides a consistent seal along the entire installation. It prevents water infiltration through cast-in-place concrete construction joints subjected to continuous or intermittent hydrostatic pressure.


A polyurethane-based caulk grade swelling paste, AKWASWELL is used primarily to seal rough surfaces in concrete construction joints. Swelling up to 500% of its initial volume when hydrated by water, it creates a positive seal and stops the flow of water through the joint and is suitable for low to moderate hydostatic pressure conditions.


A two-part prefabricated sheet drain composite consisting of a 3-dimensional polypropylene formed dimple core covered with a non-woven polypropylene filter fabric on one side. The formed dimple core provides compressive strength and collects water for flow to drainage discharge pipes.


A two-part prefabricated sheet drain composite consisting of a 3-dimensional polypropylene formed dimple core covered with a woven polypropylene filter fabric bonded to oneside. The formed-dimple core provides compressive strength and collects water for flow to drainage discharge pipes.


A two-part prefabricated drainage composite consists of a high strength HDPE geonet core with a non-woven polypropylene filter fabric bonded to both sides. AQUADRAIN G20 is designed for horizontal and vertical applications requiring very high compressive strength with low to moderate flow properties.


A three-part prefabricated drainage and protection composite consisting of a high strength HDPE geonet core with nonwoven polypropylene filter fabrics bonded to both sides. AQUADRAIN G25 is designed for horizontal and vertical applications requiring very high compressive strength properties with low to moderate flow properties.


A high-solids grout that expands to form a thick, low permeable layer across the exterior surface of the structure, filling voids in the adjacent soil and sealing small cracks in the concrete.

BENTOGROUT® Pump and Mixer

The CETCO Bentogrout Pump and Mixer equipment is designed specifically for Bentogrout. CETCO Bentogrout equipment is comprised of a progressive cavity pump with a vertical paddle and horizontal ribbon blender type mixer.


A trowel-grade bentonite-based mastic that is used to detail at membrane terminations, around penetrations, over grouted concrete form-tie holes, and provide fillets to inside wall corners. Unlike most mastics, this premium mastic is capable of swelling and self-sealing upon hydration and is VOC compliant. Bentoseal can be covered with a waterproofing membrane immediately after application.


A single-sided tape consisting of an aggressive rubber-based adhesive with a durable polyethylene backing. Seamtape is primarily used to seal the overlap seams for both backfilled foundation walls and horizontal deck applications. Seamtape protects the overlap seams against debris intrusion during backfill and damage from rain prior to backfilling. Available in 3” (75 mm) x 50-Ft (15.2 m) rolls; 8 rolls per case

CETSEAL Sealant/Adhesive

A multi-purpose, single component polyether moisture cure sealant/adhesive. CETSEAL is a low VOC, 100% solids, non-shrinking product with excellent UV resistance. Available in 10.1 oz cartridges with 12 cartridges per case at 12 lbs (5.4 kg), or 20 oz foil packs with 12 per case at 20 lbs (9 kg).


COREFLEX Consists of a thermoplastic membrane integrally bonded to a self-healing Active Polymer Core (APC). This combination of passive and active barrier technologies, along with fully welded seams, ensures superior waterproofing protection.


Used to waterproof structural concrete expansion joints for positive-side below grade foundation walls and under structural slabs, CXJ-200 and CXJ-400 consists of an extruded, thermoplastic, dual gland expansion joint seals with integrated side flanges. Movement at the joint is accommodated by the geometric shape of the double-cell, center gland configuration with two material layers to form the system.


A solvent-based primer designed to provide excellent adhesion of ENVIROSHEET waterproofing membranes to structural substrates.


A water-based polymer emulsion primer designed to provide excellent adhesion of ENVIROSHEET waterproofing membranes to structural substrates.


A self-adhering composite sheet waterproofing membrane, ENVIROSHEET consists of 56-mils of rubberized asphalt and a 4-mil cross-laminated, polyethylene carrier film. The two components are laminated together to produce an extremely tough waterproofing barrier.


Consisting of VOLCLAY granular bentonite encapsulated in a water-soluble film tube, HYDROBAR TUBES are a convenient means of providing extra waterproofing protection at the critical wall to footing intersection joint. Each tube is 50 mm (2") dia. x 600 mm (2 ft) long. Available in 16 tubes per box for 9.75 m (32 linear feet).


A 100% Solids Fluid-Applied, HYDROFIX is a single component waterproofing system. Its fluid application allows it to be installed at difficult areas such as around multiple pipe penetrations and over irregular substrates and cures to form a seamless membrane that is positively bonded to the substrate.

LDC 60

A elastomeric waterproof membrane, LDC 60 cures to form a seamless barrier that forms tenacious bond to concrete to prevent lateral water migration. The inherent toughness and elasticity of LDC 60 enables it to bridge small structural or shrinkage cracks which may develop in the substrate.

M-2000 Liquid Flashing

A single-component, trowel-grade moisture cured polyurethane mastic, M-2000 LIQUID FLASHING is used with CETCO Waterproofing Systems to detail primarily at membrane terminations, around horizontal deck penetrations and transitions, over grouted concrete form-tie holes, and provide fillets to inside wall corners. Available in 18.9 Liter (5-gallon) pails.


REVO-FIX is a profiled expanded metal mesh strip designed for mechanically fixing WATERSTOP-RX and WATERSTOP-XP to cast-in-place concrete surfaces. Revo-Fix can be used as an alternative method to CETSEAL. Available in two sizes.


A trowel-grade mastic designed for a variety of surface preparation and detailing work with CETCO active waterproofing membranes. Featuring XP Technology hydrophilic polymer, SEAL-X XP swells upon contact with water to form a watertight barrier in fresh to high-saline water conditions. With the consistency of thick grease, SEAL-X XP is easy to apply and bonds to most building materials. Available in 25kg (5 gallon) pails.

STRATABOND 100 Reinforcement Fabric

A 1.5-oz/sq-yd high strength, spun bonded polyester fabric used as a reinforcing layer with STRATASEAL HR hot-applied rubberized asphalt membrane. Stratabond 100 maintains its physical properties when wet and dimensionally stable over varying humidity levels and exhibits high resistance to splitting and cracking from thermal shock.


A solvent-based, low VOC bituminous roof primer for use with STRATASEAL HR. it is a spray applied primer that improves the bond of the rubberized asphalt membrane to the concrete substrate. as a solvent based primer, it provides faster drying time and ease of application and can be installed in low temperature conditions.


A hot-applied rubberized asphalt membrane, STRATASEAL HR is ideal for protected roof and split-slab deck waterproofing applications. Its a 100% solids thermoplastic product that is flexible as well as self-sealing. STRATASEAL HR is ready for use and requires no set-up.


A highly effective waterproofing membrane, SWELLTITE® consists of a sodium bentonite compound integrally bonded to a geomembrane liner. This composite combines the active waterproofing benefits of sodium bentonite with the strength and durability of a thick geomembrane liner.

TB-BOOT Tie-back Covers

A single piece, pre-formed thermoplastic cover that provides a simple and quick waterproofing installation detail. The thick thermoplastic construction provides the strength and durability to withstand the concrete placement. Available in three sizes: TB-6SN is 6” (150 mm) deep, TB-8 is 8” (200 mm) deep, and TB-10 is 10” (250 mm) deep.


Consisting of an advanced Active Polyer Core (APC), ULTRASEAL is engineered to provide high-performance waterproofing protection for foundation applications. ULTRASEAL is 10 times less permeable and more chemically resistant than traditional hydrophilic waterproofing membranes.


Featuring XP technology, the latest innovation in active waterproofing, ULTRASEAL XP provides exceptional performance in a wide range of ground contaminates. Proven effective in both hydrostatic and non-hydrostatic conditions, the self-sealing ability of ULTRASEAL XP seals minor cuts or damage to the membrane.


Voltex® is a proven waterproofing membrane ideal for vertical and horizontal foundation surfaces. Voltex incorporates the high-swelling and self-sealing properties of VOLCLAY® sodium bentonite to form a monolithic, low permeable membrane to protect the structure from water ingress.


A bentonite-geotextile waterproofing membrane with Integrated Polyethylene Liner, VOLTEX® DS is comprised of two high strength geotextiles. The two geotextiles are interlocked by a patented needle-punching process which assures a consistent application of material.


VOLTEX DSCR is a highly effective waterproofing composite of high strength geotextiles,1.10 pounds of contaminant resistant sodium bentonite per square foot, and a integrally bonded polyethylene liner. The high swelling, low permeable, contaminant resistant sodium bentonite is encapsulated between the two geotextiles.


An active, flexible strip concrete construction joint waterstop, WATERSTOP-RX provides a strong positive seal by expanding upon contact with water. Proven effective on projects worldwide for over 20 years, Waterstop-RX is designed for both continuous and intermittent hydrostatic conditions. WATERSTOP-RX is available in multiple configurations.


The next generation of waterstop that expands upon contact with water to form a positive seal to stop water ingress through cast-in-place concrete construction joints and around pipe penetrations. Through the use of the patented XP technology, WATERSTOP® XP is proven effective in a wide range of contaminated environments.

Helios Energy Research Facility

Berkeley, CA, USA

From design development to construction, CETCO’s expertise in waterproofing was called upon to ensure that the basement, housing expensive laboratory equipment, remains dry at all times. CoreFlex’s composite system also saved the added labor of a two-membrane installation process.

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Oklahoma State

Stillwater, OK

After receiving a record breaking $165 Million donation from alumnus T. Boone Pickens, Oklahoma State University embarked on an ambitious project to build an “Athletic Village".

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Rush University Hospital Atrium

Chicago, IL, USA

Rush University is one of the top-ranked nursing colleges in the US. Its hospital is comprised of 676 beds and boasts national rankings in 10 of 16 specialty areas in U.S. New & World Report’s 2011 “America’s Best Hospitals” issue.

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Shady Hills Gymnasium and Parking Garage

Cambridge, MA, USA

The original spec called for ULTRASEAL below slab with a layer of VOLTEX DS installed over it to provide protection from subsequent concrete operations. However, once the dewatering of the site began, it became apparent that there would be significantly more water at a greater flow rate.

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Toronto Fire Services

Totonto, ON, Canada

Vapor intrusion has become a significant environmental issue for regulators, industry leaders, and concerned residents nationwide. The use of a spray-applied gas vapor barrier to protect against the threat of vapor intrusion has become a widely recognized application by numerous local and state regulatory and guidance groups.

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University of CA Berkeley Boalt Hall

Berkeley, CA USA

University of California Berkeley’s Boalt Hall has an iconic name. A law library set two stories below grade, Simpson Gumpertz & Heger, the waterproofing consultant, had a zero tolerance for water ingress on the new structure.

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