Adhesives Technology CRACK-Kit

Adhesives Technology CRACK-Kit contains everything needed to structurally repair 8-10 feet of crack. Reliable high strength contractor grade formulas. Convenient packaging and easy to follow instructions.

Includes Crackbond LR-321 and Miracle Bond 1310, as well as ports, mixing nozzles, injection tubes and gloves.

Availability: In Stock (9)

SKU: 17717

Quantity

Add to Cart

The Adhesives Technology CRACK-Kit is a comprehensive, ready-to-use solution for structural concrete crack repair. Designed for professionals who need reliable results in demanding conditions, this kit combines two proven epoxy systems — Crackbond LR-321 and Miracle Bond 1310 Repair Epoxy — to address a wide range of crack injection and surface repair needs. Whether repairing fine hairline fractures or sealing wider structural cracks, the CRACK-Kit delivers precision, strength, and durability.

Each kit is thoughtfully assembled with all necessary components, including injection ports, mixing nozzles, injection tubes, and gloves, allowing for efficient setup and application on the jobsite. Crackbond LR-321 provides superior penetration into narrow cracks through its low to super-low viscosity formulations, making it ideal for both gravity-feed and pressure injection repairs. Miracle Bond 1310 complements this by serving as a high-strength, non-sag capping and patching material, essential for vertical and overhead applications where traditional adhesives may fail.

Engineered for performance in a variety of environments, the CRACK-Kit supports repairs in damp conditions and meets industry standards including ASTM C881 and NSF/ANSI 61 for potable water system use. Its straightforward installation process and dependable bond strength make it a preferred choice for contractors, maintenance crews, engineers, and facility managers focused on long-term concrete restoration.

Key Features

Dual High-Performance Epoxies

Includes Crackbond LR-321 for fine to medium cracks and Miracle Bond 1310 for capping and patching applications.

Complete Kit for Field Repair

Contains injection ports, mixing nozzles, injection tubes, and gloves — all packaged for convenient on-site work.

Superior Crack Penetration

Crackbond LR-321 offers low to super-low viscosity options for effective penetration into fine cracks, even under damp conditions.

Strong, Rapid Curing Adhesive

Miracle Bond 1310 delivers a rapid cure, non-sag formulation ideal for vertical and overhead crack repairs.

Moisture Insensitive Systems

Both adhesives are designed to perform on damp surfaces without loss of bond strength.

Meets Industry Standards

Products comply with ASTM C881 specifications and are certified for use in USDA-inspected facilities and potable water systems (NSF/ANSI 61).

Recommended Applications

The Adhesives Technology CRACK-Kit is ideal for static crack repairs that require structural reinforcement and long-term durability. Suitable for industrial, commercial, and residential applications, it provides a reliable method for restoring the integrity of concrete elements without extensive demolition or replacement.

Typical uses include injecting fine to medium-width cracks in slabs and walls, sealing and bonding injection ports for structural crack repair, and performing gravity-feed crack filling on horizontal surfaces. The kit is also effective for capping cracks during injection processes on vertical and overhead surfaces, repairing small spalls, patching concrete defects, and completing surface repairs where fast return to service is essential.

Frequently Asked Questions

What size cracks can the CRACK-Kit repair?

The CRACK-Kit is designed for cracks ranging from hairline widths up to 1/4 inch, depending on the viscosity of the epoxy selected.

Can the CRACK-Kit be used on damp concrete?

Yes. Both Crackbond LR-321 and Miracle Bond 1310 are moisture insensitive and suitable for application to damp (but not actively wet) surfaces.

How quickly do the materials cure?

Miracle Bond 1310 achieves a hard cure in approximately 3 hours at 75°F. Full structural cure for Crackbond LR-321 occurs in 7 days, depending on temperature and conditions.

Is special equipment required for installation?

A standard dual-cartridge dispensing gun compatible with the provided cartridges and nozzles is recommended. Pneumatic dispensers may be used for higher production rates.

Can this kit be used for overhead and vertical repairs?

Yes. Miracle Bond 1310 is non-sag and specifically formulated for overhead and vertical crack repairs and capping applications.

What is the shelf life of the products?

When stored properly in unopened containers, both Crackbond LR-321 and Miracle Bond 1310 have a shelf life of 24 months.

Have questions you don't see answered here?

Whether you’re in need of technical help or are looking for a product or piece of equipment you can’t find, we’re always happy to point you in the right direction.