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The RUST-OLEUM 257395 is a 2K epoxy repair cartridge formulated for fast, durable patching of concrete cracks, spalls, and active leaks. Built on a 100% solids epoxy chemistry, it cures to a hardness rated at twice the strength of standard concrete. The 9 oz cartridge format eliminates hand mixing — a static mixing applicator is included in the package and attaches directly to the cartridge tip. Full cure is reached in approximately 3 hours. Licensed contractors, flooring installers, and maintenance technicians working on concrete substrates are the primary installers of this product.
This product is suited for residential and commercial concrete repair applications including floor slabs, driveways, warehouse floors, and utility spaces. The easy-flow formula is compatible with most standard caulk guns. RUST-OLEUM recommends use with the RUST-OLEUM Heavy-Duty Caulk Gun (261292) for best dispensing results. The formulation is VOC compliant in all 50 states, making it appropriate for projects in jurisdictions with strict air-quality regulations.
Designed for use on concrete surfaces including floors, slabs, and structural cracks. Compatible with most standard caulk guns. Recommended for use with the RUST-OLEUM Heavy-Duty Caulk Gun (261292).
Concrete surfaces must be clean, dry, and free of dust, oil, and loose debris before application. Power down any equipment in the work area and ensure adequate ventilation when working in enclosed spaces. A standard caulk gun is required for dispensing; attach the static mixing tip before each use and purge a small amount of product before applying to the repair area. Follow all applicable local building codes and manufacturer surface preparation guidelines for structural concrete repairs.
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