Ardex ARDIFIX, Low Viscosity Rigid Polyurethane Crack Filler and Joint Repair, 20 oz. (591 ml)

Product Features:

• Ardex ARDIFIX is a high-performance, two-part rigid polyurethane repair compound designed for structural crack repair, control joints, spalls, pop-outs, and surface defects in concrete substrates. It is ideal for preparing concrete prior to installing self-leveling underlayments, toppings, coatings, and flooring systems.
• The ultra-low-viscosity formula penetrates deep into hairline cracks, micro-cracks, and saw cuts, ensuring strong internal bonding and permanent stabilization of damaged concrete surfaces.
• Supplied in a convenient two-component cartridge system, ARDIFIX ensures precision dispensing, reduced product waste, and consistent mixing ratios for professional-quality results.
• Suitable for interior and exterior concrete applications including garages, warehouses, basements, manufacturing plants, driveways, sidewalks, and commercial flooring installations. Performs reliably in variable temperatures and demanding environments.
• Once cured, Ardex ARDIFIX forms a durable, rigid bond that resists abrasion, moisture, freeze-thaw cycles, and heavy traffic, making it ideal for both industrial and residential concrete repair projects.
• Designed for fast curing and quick return to service, allowing contractors to repair, shave, and topcoat repaired areas in minutes, significantly reducing project downtime.
• Excellent compatibility with Ardex primers, Ardex self-levelers, moisture-mitigation systems, tile-setting mortars, epoxies, and urethane coatings, ensuring seamless integration into larger flooring or concrete restoration systems.

Product Description:

Ardex ARDIFIX Low Viscosity Rigid Polyurethane Crack and Joint Repair is an advanced concrete restoration solution engineered for fast, permanent, and structurally reliable repairs. Designed to penetrate deep into cracks, saw cuts, and voids, this ultra-low-viscosity material offers exceptional bonding strength, restoring the integrity of damaged concrete substrates in industrial, commercial, and residential environments.

Its fast-reacting two-component formula cures within minutes, allowing users to quickly shave, grind, or coat repaired areas without interrupting workflow. The dual-cartridge dispensing system ensures precise application, optimal mixing, and minimal waste, making it an ideal choice for flooring installers, concrete repair professionals, and DIY users seeking professional-grade results.

Ardex ARDIFIX excels in repairing cracks, control joints, spalls, pop-outs, and minor surface deterioration on concrete floors, walls, and exterior flatwork such as driveways and walkways. Once cured, the rigid polyurethane forms a long-lasting, high-strength repair that withstands heavy foot traffic, forklift loading, thermal movement, chemical exposure, and freeze-thaw cycles. This reliability makes ARDIFIX a trusted solution for concrete surface preparation prior to applying Ardex underlayments, epoxies, tile, coatings, or other flooring finishes.

Engineered for versatility and durability, Ardex ARDIFIX delivers permanent reinforcement of weakened concrete, ensuring a smooth, stable, and long-lasting substrate. Whether used for structural crack repair, joint filling, industrial floor maintenance, or concrete resurfacing, this product provides consistent performance and professional-quality results every time.