Concrete Flatwork Crack Repair
Concrete Floor and Slab Crack Repair with Emecole 555 Fast Polyurea
Professional concrete repair contractors thinking about maximizing their basement waterproofing business, should consider the repair of flat surface concrete floor cracks and slab crack repair. When repairing such concrete ground cracks, the most efficient system is a fast setting polyurea manufactured for concrete floor and slab crack repair.
Emecole 555 allows you to repair cracked and spalling concrete in a matter of minutes. It allows concrete floors to be overlayed or resurfaced in one day, cracks included. Shadow cracks are a thing of the past and same day repairs are made possible through this revolutionary product.
Features include:
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Cures in 10 minutes for overlays or coatings. |
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Permanently bonds the concrete. |
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0 deg. to 100 deg. working temperatures. |
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Over 4000 PSI tensile strength. |
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Available in a number of packages. |
Works great for repairing spalls and cracks in concrete floors and slabs, including driveways, patios, garage floors, and basement floors. It also stops additional damage. The repaired area can be put into service within 15 minutes of application.
| Extremely low viscosity allows deep penetration into concrete. |
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All material is self-mixed and delivered at the point of application. No messy pot-mixing or wasted product. |
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When combined with manufactured sand, Emecole 555 will form a tough 4500 psi polymer concrete with similar properties to existing concrete that will stay pliable over time. |
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Safe to use. Materials react quickly with very low odor. |
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Completely cures in 10 minutes after application at 70° F. Will also cure rapidly in subzero environments. For additional information view Emecole 555 Product Data Sheet to read about why concrete slabs crack and the different types of cracks. |
Small Concrete Floor Crack Repair Made Easy
Needle dispeners may be purchased with Emecole 555 (also included with Emecole's Slab Repair Kit). Needle dispeners accommodate small cracks where chasing with a grinder may not be suitable. A luer lock hub design makes it easy to connect to all Emecole static mixers. Emecole 555 can be added directly into the crack.
Preparation for concrete floor and slab crack repair with sand
Concrete must have a minimum 28 day cure prior to application. Clean the cracked area to be injected. For optimum appearance, open up the crack a minimum of 1/4” wide by 1/4” deep using a crack chasing diamond blade. Vacuum out the crack to clean out any loose debris. The area must be dry. Clean the surface and remove all unsound concrete, dust and debris. Prepare surface using a twisted wire wheel for spalls. Cut perimeter of damage with dry diamond blade. Fill opening with silica sand. Apply E555 onto the sand, letting resin completely penetrate and wet the sand.
Application: Work the repair area quickly. Screed to finished grade and allow to set. For better finished repair surface, “over fill” the crack. Allow it to set and grind using a grinder fitted with a fine grit wheel. Work in circular motion to grind/smooth to finished grade.
Emecole 555 can be used as a grout. Use equal parts of A and B mixed together. Add two parts of sand by weight. Sand filler should be of low moisture content. Grit sizes from 30 to 60. Pea gravel or number 10 grit sand can be used on very large cracks or spalls.
Limitations: Do not use on wet surfaces or expose part A to moisture. This product is moisture sensitive. Product will bond damaged slabs together and may stop movement. Not intended for use where substrate movement is required, such as in control joints.
| Typical Properties | Value (average) |
| Hardness @ 72° F (22° C) | 72D |
| Compressive Strength (with sand) | 4500 psi |
| Elongation | 6% |
| Tensile Strength | 4475 psi |
| Bond Strength, ASTM 882-99 | 1984 psi |
| Viscosity (at application) | 20 |
| V.O.C. (mixed) | 5.5 g/l |
Supplemental Information:
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Emecole 555 Product Data |
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Emecole 555 Flier |
New to concrete crack repair?
Emecole's concrete crack repair kits are ideal for any basement waterproofing contractor. Emecole's Slab Repair Kit is fully equipped with Emecole 555 polyurea, a manual dispensing tool and the necessary components for the proper repair of concrete floor and slab cracks.
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Questions & pricing? Contact us for further assistance. Product literature and select samples available upon request. To place an order, please call during our normal business hours, Monday - Friday between 6:30 a.m. - 5 p.m. CT.
