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D-I-Y Slab Crack Repair Kit - Large

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The Emecole Slab Crack Repair Kit is a permanent solution for cracked basement floors, driveways, garage floors, patios and warehouse floors.  The large sized kit includes the needed materials to repair up to approximately 100 to 250 feet based on a 1/4" x 1/4" chased crack.

Our specially formulated Emecole 555 Concrete Crack Repair Hybrid Urethane allows you to repair cracked and spalling concrete in a matter of minutes. Overlay or resurfacing can be done in just one day.  Emecole 555 Concrete Crack Repair Hybrid Urethane is a very thin liquid that penetrates deep into cracks for a complete repair that cures in temperatures from 40 - 100 degrees.  Emecole 555 can be used with Filler Sand (pure, wash and dried silica sand - available separately by Emecole), which allows for the application to use less material, while also strengthening the overall repair. Once cured, Emecole 555 has a tensile strength over 4000psi, making cracked concrete a thing of the past.

Some cracks may need additional reinforcement than Emecole 555 alone.  For these cracks, we recommend our Carbon Fiber Stitching Dog Kit.

*(Emecole 555 may change colors over time after exposure to UV light rays. For repairing concrete slabs where UV light rays may be present, we recommend the Emecole Slab Crack Repair Kit with UV Stabilization).

Included Components with Kit:

  • Two tube sets of Emecole 555
  • One Emecole "Black" Manual Dispensing Gun
  • Three 3/16x48 mixers
  • Four cartridge restrictors
  • Three mixer needle tips
  • Two reusable nuts

Also included are rubber gloves, safety glasses and written instructions with complete product data and SDS information.


  • When purchasing a large kit, you have the option to purchase with an additional Add-On Kit. This option is ideal when repairing large and/or multiple cracks. The Add-On Kit includes all of the materials included with the standard large sized kit, except for the Emecole "Black" Manual Dispensing Gun.

Additional Components:

  • Filler Sand (4 lbs) - three bags of sand recommended with use of this kit, for 1/4" x 1/4" chased cracks.

Product Data Sheet: