ET-3G 22 oz. Epoxy Adhesive Cartridge - Strong anchoring for concrete

In this review of the ET-3G 22 oz. epoxy cartridge the bottom line is simple: this adhesive is aimed at contractors and serious DIYers who need a reliable anchoring system for dowels and threaded rod in concrete. The reviewer found it especially valuable for projects that demand code-listed performance and extended working time at higher temperatures. It is not a casual, small-quantity epoxy for crafts; instead it is a purpose-built anchoring adhesive with a clear advantage where bonded rebar, doweling or heavy fixture anchoring into cracked or uncracked concrete is required.

Key Features

• Code listed performance: The epoxy is listed under the IBC/IRC per ICC-ES ESR-5334, giving confidence for structural anchoring into cracked and uncracked concrete.
• Extended working time: Formulation maintains longer open time at elevated temperatures, which helps when aligning multiple anchors or working in warm conditions.
• Easy hole cleaning: The product eliminates the need for power-brushing, reducing prep time on site and simplifying installation.
• Two-year shelf life: Unopened cartridges stored between 45F and 90F retain usability for two years, useful for contractors who stock supplies.
• Complete dispensing kit: Comes with a nozzle and extension for controlled placement in drilled holes, improving bond consistency.

Who It's For

The ET-3G epoxy cartridge is best for structural contractors, concrete repair crews, and serious homeowners tackling anchoring of threaded rod, dowels or heavy fixtures into concrete. Its code listing and temperature-stable working time make it a reliable choice on jobs where inspection or building code compliance matters.

It is less suitable for small craft projects or for applications requiring a non-structural adhesive; users looking for a fast-setting or decorative epoxy should consider purpose-made alternatives. This cartridge is optimized for doweling and threaded rod anchoring rather than general-purpose household fixes.

Pros & Cons

Pros

• Code listing under IBC/IRC provides assurance for structural anchoring into both cracked and uncracked concrete.
• Extended working time at higher temperatures gives installers more time to position anchors correctly.
• Easy hole cleaning without power-brushing speeds up preparation and reduces equipment needs.
• Two-year shelf life for unopened cartridges is convenient for inventory management.

Cons

• Formulation and cartridge size are geared toward anchoring work and may be overkill for simple household repairs.
• Requires proper storage between 45F and 90F to maintain shelf life, so cold or hot storage conditions can limit longevity.

Specifications

Our Verdict

The ET-3G 22 oz. epoxy cartridge is a practical, code-listed anchoring adhesive that delivers reliable bonding for dowels and threaded rod in concrete. Its extended working time and easy hole cleaning make it good value for contractors and informed homeowners who need a durable, inspection-ready solution rather than a casual epoxy for light tasks.

Frequently Asked Questions

Is this epoxy suitable for cracked concrete?
Yes. The product is code listed for use in both cracked and uncracked concrete per ICC-ES ESR-5334.

How long will unopened cartridges last?
Unopened cartridges have a two-year shelf life when stored between 45F and 90F.

Do I need a power brush to clean holes?
No. The formulation is designed for easy hole cleaning without the need for power-brushing.