Concrete Repair
With over 25 years experience in the concrete repair and coating industry, we know how to repair your concrete floors. Dings and gauges, as well as cracks and joints can be repaired before coating or polishing. Your floor is probably the most important element of your building because it is the work platform for your operations. It is essential to have minor deteriorations corrected before they become major problems that interfere with your productivity. This critical step of detailed preparation results in a smooth, uniform surface that is durable, easy to clean, and will look great.
Concrete Repair case study shows our work from surface preparation to topcoat.
Lehigh Valley International Airport, Aventis Pharmaceutical Corporate Hangar, Allentown, PA
View a case study of our work from surface preparation to topcoat.
Berm Surface installed inside hangar door entrance
Below we have addressed a problem so water flow is diverted outside a 250 foot hangar door entrance. A three-inch berm was formed to provide proper sloping. The berm surface was prepared and coated to match the main floor area.
Repairing Joints and Cracks
Joint and crack repair is a major component in floor maintenance. The challenge of repairing joints and cracks is that every situation is unique.
Industrial concrete floors are segmented by construction and control joints. As material handling vehicles cross over these joints their hard wheels wear or break off these edges. This is called "spalling".
Unfilled joints rapidly deteriorate under hard-wheeled traffic. It's more costly to correct spalled joint edges than it is to protect the original joint. There are many filler products on the market. Hi-Tech Concrete Coatings, Inc. prefers Sika's high quality semi-rigid epoxy joint fillers to provide the best protection for joints and cracks.
It's important to remember that these fillers are designed to transfer load and protect the edges of the concrete slab. Therefore, the fillers are designed to separate adhesively from the concrete. This is not a failure. It is a practical solution to the inevitable movement of concrete.
The function of your concrete floor is to serve as a work platform supporting the movement of material handling vehicles carrying raw materials or merchandise. Floors that are smooth and interruption-free allow optimum movement and productivity. Joints play a critical function in determining the long-term durability of your concrete floor.
- Joints are the ends of pours
- Joints induce shrinkage cracks to follow straight lines
- Joints allow for seasonal slab expansion and contraction
- Joints provide the linkage between small slab segments
The objective of any joint repair is to restore the joint to its original load-carrying capacity without restricting the movement that may come with continued shrinkage. It is also important that the top of an installed filler be flush with the surface to restore the continuity of the slab surface, allowing for traffic to flow with no interruptions or impact points. The proper joint filler and proper fill method will accomplish this.
Slab Stabilization
Voids underneath concrete slabs can continue to worsen without remediation. Voids under joints can cause misalignment which will result in cracks and spalling. Prime Resins Prime-Flex 985 can provide significant slab support. We inject the urethane foam through holes drilled into the concrete. It then expands at a rate of 2-1 under the slab to provide stabilization. This system can also be used to slightly raise slabs that have settled.
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