Accessory products engineered for integrated performance.

Now you can waterproof the entire tunnel, below-grade structure or plaza deck with products from a single manufacturer. There is no need to specify dissimilar materials from different manufacturers. CETCO accessories are engineered by CETCO for peak, system-wide performance.




CETGUARD ACTIVATOR is clear aromatic blended solvent.

CETGUARD application tools

CETGUARD APPLICATION TOOLS are approved tools available from CETCO used during the installation of CETGUARD methyl-methacrylate liquid resins. All applications will require the use of approved rollers. These tools must be specifically designed for the correct delivery and application of all CETGUARD resins and components. Each workman will use approximately 3 to 5 roller knaps per hour.


CETGUARD CATALYST POWDER is a reactive agent used to initiate curing of CETGUARD methylmethacrylate liquid resins.


CETGUARD FLEECE is non-woven, chopped strand polyester fabric reinforcement. CETGUARD FLEECE is used in CETGUARD cold fluidapplied reinforced membrane systems to improve tear strength, puncture resistance, and crack bridging capabilities while maintaining membrane uniformity.


CETGUARD MATRIX is a high performance two-component, rapid-curing, flexible acrylic resin with integral chopped polymer fiber reinforcement for flashing and repair.


CETGUARD METAL PRIMER is a high performance solvent-borne polymer-based 1-component primer. CETGUARD METAL PRIMER is used as a coupling agent for various metal substrates in conjunction with CETCO roofing, waterproofing and surfacing systems. CETGUARD METAL PRIMER should be used in applications with higher mechanical stresses (e.g., trafficked areas), on detail work with small contact areas, metal drain bowls, or edge terminations metal.


CETGUARD PASTE is a high performance twocomponent, rapid-curing, flexible acrylic thixotropic resin. CETGUARD PASTE is used for horizontal and vertical leveling, patching and repairs to substrates in conjunction with CETCO nontraffic bearing membrane system applications.


CETGUARD SG is a high performance two-component, fast-curing, poly methyl-methacrylate (PMMA) resin used in roofing and waterproofing applications. CETGUARD SG is combined with catalyst and CETGUARD FLEECE reinforcement to form a monolithic, self-flashing and self-adhering reinforced membrane for a variety of new construction, refurbishment, and recovery roofing and waterproofing applications.


CETGUARD THIXO is a high performance twocomponent, fast-curing, poly methylmethacrylate (PMMA) resin used in roofing and waterproofing. CETGUARD THIXO is combined with catalyst and CETGUARD FLEECE reinforcement to form a monolithic, self-flashing and self-adhering reinforced flashing membrane for a variety of new construction, refurbishment, and recovery roofing and waterproofing applications.


CETGUARD TOPCOAT-W is a UV stabilized color pigmented high performance two-component, rapidcuring, resilient poly methyl-methacrylate based acrylic finish. CETGUARD TOPCOAT-W is used as an aesthetic topcoat and sealer in conjunction with CETGUARD waterproofing systems. CETGUARD TOPCOAT-W may be applied as a smooth white topcoat or with broadcast aggregate.


CETGUARD W22 PRIMER is a high performance thixotropic poly methyl-methacrylate (PMMA) two-component, rapid-curing, resin primer. CETGUARD W22 PRIMER is a flexible primer used as a sealer for concrete, masonry, wood, asphalt and other substrate. CETGUARD promotes adhesion and reduces staining that can occur on applications over existing builtup roofing and asphalt residue.


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.


A solvent-based contact adhesive, designed for bonding CoreFlash membranes to approved horizontal and vertical substrates. Adhesive SB-100 is easy to apply by roller, brush or spraying and has high initial tack strength and excellent heat resistance. Adhesive SB-100 is packaged in 5 gallon (18.9 liter) pails.


RGT Base Flange is a solid PVC flange with 25mm (1”) female threading which connects to 90° Male Elbow or Male Straight Adapter RGT-100 Tube Fittings.


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).


A large diameter plastic injection hose with injection-port slits spaced down the entire length of the hose. Following the placement of structural concrete the CGT-50 functions as a channel for injecting and transporting the grouting material along predetermined areas within the concrete; such as the crown and arched walls of tunnels.

CORECAP® Tie-Back Covers

Preformed non-reinforced thermoplastic flashings, designed to provide a welded thermoplastic cover over tie-back heads on property line shoring walls; three preformed sizes available. CoreCap(s) used in conjunction with same size rigid TB-Boot.


A 24 ga. (0.61 mm) stainless steel sheet laminated with a 20 mil (0.50 mm) thick UV stable thermoplastic coating integrally bonded to one side. The thermoplastic coating is compatible with CoreFlex and CoreFlash membranes thus allows for thermoplastic welding to form a monolithic barrier. CoreClad is also resistant to most forms of fungus, algae and micro-biological attack.


A nominal 100 mm (4”) round x 1.5 mm (60 mil) non-reinforced thermoplastic disc. CoreDiscs are used for T-joint patches and to repair small punctures in the PVC membrane.


1.5 mm (60 mil) thick UV stable non-reinforced extruded white thermoplastic membrane used for detail and flashing applications including curbs, walls, field wraps and patches.


1.5 mm (60 mil) thick reinforced thermoplastic membrane (yellow top coat and black bottom coat) used for non-exposed detail and flashing applications including curbs, walls, field wraps, butt-joints and patches.


Used with COREFLEX XP, CORETEX XP is a polymer impregnated geotextile featuring XP technology for transition details, corners, butt-joints and protection from rough edges and surfaces.


A unique low permeable hydrophilic waterproofing product that utilizes an Active Polymer Core (APC) technology that is less permeable and more chemically resistant than traditional active waterproofing membranes.


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 polypropylene, staple fiber, needlepunched nonwoven Geotextile. The fibers are needled to form a stable network that retains dimensional stability relative to each other. The Geotextile is resistant to ultraviolet degradation and to biological and chemical environments normally found in soils.


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).


Induction Welding Metal Plate with thermoplastic coating.

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.


Molded non-reinforced thermoplastic flashings, specially designed for round penetrations 50 mm (2”) or less in diameter.

RAP 200

A heavy duty 90-mil (2.3 mm) thick rubberized asphalt protection sheet sanded on both sides. RAP 200 is reinforced with tough non-woven synthetic fibers. The reinforced rubberized asphalt provides the membrane the ability to withstand wrinkling, buckling and fish mouths.


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.

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.


A 17-inch wide flexible PVC base-seal profile waterstop used in concrete construction to form a watertight seal across and/or along concrete pour joints. TW-17 can be used in tunnel construction as a grid water barrier.


A weldable thermoplastic rebar support, TW-ANCHOR is a weldable PVC Flange for supporting the dead load of the steel rebar cage concrete reinforcement.


A molded non-reinforced thermoplastic flashings used to seal inside and outside corner details. Universal Corners come as one piece and are trimmed to fit the appropriate corner condition.

Application Guides

Approval and Certifications

LEED Letter

Technical Data Sheets

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.

Download Full Case Study

Mercy Hospital Plaza

St. Louis, MO, USA

To minimize building exposure, poor air quality, and odors, this occupied hospital utilized COREFLEX to waterproof the plaza deck prior to installing a GreenScapes vegetated roof system, hard-scape and water features.

Download Full Case Study

Piper Tech Parking Deck

Los Angeles, CA, USA

Download Full Case Study

Ronald McDonald House

Chicago, IL, USA

CETCO provided the complete watertight green roof assembly for the nation’s largest Ronald McDonald House. Protected by CETCO’s COREFLEX® waterproofing membrane, three GreenScapes™ assemblies—intensive, extensive, and vegetated trays—were utilized to meet a challenging landscape design.

Download Full Case Study

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.

Download Full Case Study

Sandpiper Run Plaza Restoration

Pawley's Island, SC, USA

This restoration application used an extensive GreenScapes™ system with COREFLEX® waterproofing technology to create an ocean side lawn space for condo occupants. When used in restoration applications, CoreFlex® minimizes demolition, reduces building exposure and limits building down time.

Download Full Case Study

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.

Download Full Case Study

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.

Download Full Case Study

Wake Forest University Hosp. Plaza Deck Restoration

Winston-Salem, NC, USA

Restoration of the plaza deck was required for watertightness of the hospital space below and reopening of the emergency room entrance. COREFLEX was quickly installed over the leaking hot-applied rubber membrane to complete the project on time with minimal building exposure.

Download Full Case Study

Washington Univ. School of Medicine Plaza Deck Restoration

St. Louis, MO, USA

When it was decided that a courtyard would be implemented into the WUSM/BJC Medical complex, the design team understood that waterproofing and protecting the occupied space below during construction would be critical to the success of the project.

Download Full Case Study