Tuesday, March 26th, 2013
Whether jogging, bicycling, or simply walking around the the city of Des Moines you will notice lots of uneven sidewalks, driveways, and driveway approaches. These uneven concrete slabs have settled because of temperature changes, general weather, and soil expansion and contraction. Mother Nature has been particularly hard on Central Iowa and the City of Des Moines due to the absence moisture last year, so the end result caused concrete sidewalks and driveways to settle. These uneven areas are not only a cosmetic issues, they become hazards to joggers, bicyclist, and the casual walker.
Many Cities in Central Iowa, Urbandale, Ankeny, Altoona, Clive, Windsor Heights, West Des Moines, Pleasant Hill, and certainly the City of Des Moines will be requiring sidewalk repair this summer. Yes, the sidewalks are our responsibility even though the sidewalk and the parking is city property. These mandates are enforceable, and have penalties if not adhered to. Additionally, should someone trip, fall and injure themselves you are at risk and liable.
What are my options for sidewalk or driveway repair?
There are a couple of ways to repair a sidewalk and or driveway. One is simply to replace it!! This is usually costly, and requires several days of prep and curing time. Time you and others are not able to use the sidewalk or driveway. Another is to raise and level the uneven piece of concrete. Raising and leveling concrete has several options. Mudjacking, and releveling grout. These are traditional options, but in discussions, many people believe them to be old and antiquated procedures for concrete leveling. There are new and revolutionary approaches to uneven concrete repairs. So, we take the original concept of mudjacking, and with the state of the art structural polymer we more effectively and efficiently repairing settled, sinking, uneven concrete slabs, sidewalks, driveways, patios, parking pads, and basement floors.
So...Why should I choose this Polymer over traditional repairs?
Well, I am glad you asked. Let me use a numerical system, and start from the beginning and tell you why!!
1. From the start we are dealing with a section of concrete that has settled. This could be from expanding soils or the weight of the slab of concrete or "d" all of the above.
2. Traditional mudjacking and releveling grout are very heavy. This can add to the problem.
3. The mixtures of traditional mudjacking and releveling grout take significant time to set up and cure, and the material is still susceptible to washing out due to weather conditions.
4. The mudjacking injection nozzle is nearly 2 inches in diameter. So, there will be 2 inch circular holes drilled into your concrete slab. Additionally, this tells us the material coming through the nozzle is thick. Although the thick material will fill the void, it will not effectively get up into the narrow restrictions of the void leaving air pockets potentially causing additional cracking in the future.
5. Structural Polymer or PolyLEVEL is a high density polyurethane that is 4 times lighter than the traditional materials and it doesn't wash out!
6. PolyLEVEL will be cured, set up, and ready for use (driving or walking on) by the time our crews have cleaned up the area and are ready to leave. About 20 minutes time!
7. Instead of larger holes we use a small hole about the size of a penny to inject the material under the slab. Because the polyLEVEL flows so much better than traditional mudjacking, this high density polymer is easier to control and will easily move up into the smaller restriction of the void under the slab. This helps prevent additional concrete damage in the furture.
8. Once the lift and leveling is completed the penny size holes are easily grouted and sealed. The concrete slab is restored!
As you can easily see the Structural Polymer, with its light weight high density characteristics is the best way to repair settling concrete.