Concrete restoration is the process of restoring concrete to be functional again and pleasing to the eye. Processes used to restore concrete are:
- Sealing joints
- Crack sealing
- Concrete grinding
- Removing unsound concrete (spalled areas)
- Pressure washing
Concrete restoring is a cost affective way to fix concrete without tearing out and re-pouring. Concrete can be restored anywhere there are problems; whether it is a concrete driveway, sidewalk, tilt-up walls, stucco walls, concrete walls, parking garages, curbs, and parking lots.
If you have any problems with your concrete such as: cracks in the concrete, concrete spalling, concrete discoloration, and concrete joints that are un-even; give us a call at (210) 422-6116 for a free consultation.
Most people don’t bother filling in the cracks in their concrete driveways or patios mainly because they think they are harmless and a part of nature. That’s correct most of the times; however, cracks in the concrete will slowly prevent problems down the road if left unfilled.
Why are there cracks in the concrete?
Most of the time the cracks appear in the concrete because right after the concrete is poured it will heat up do to the process of hardening. Once the concrete starts to cool down, especially if it does all of a sudden the concrete will shrink and cause cracks (shrinkage cracks). The rebar placed in the concrete will not prevent the cracks from happening, but they will helps keep them small.
This is where the cracks cause problems over time. The rebar used in the concrete is made of steel and rusts very easily. The cracks will allow water to reach the rebar and cause it to rust even faster. Over time the rebar will break up and then you will basically have to slabs butted up against each other, if the crack goes all the way down. If vehicles are used on the concrete slab, do to the weight of the car it is possible that one side of the slab will start to sink in because there is no rebar holding the two slabs together.
The best way to prevent this from happening is by using a polyurethane joint sealant to seal the cracks in the concrete. You should first use a V blade attached to an angle grinder to open the crack up more so your sealant will bond properly and not fail. You can also use this product to fill in the expansion joints in the concrete driveway and sidewalk.
Below is a photo of a concrete driveway that has a major crack in the concrete. This crack was most likely cause by having a poor sub-base, over time if the crack remains exposed to water the rebar will rust causing them to break and the concrete has the chance to sink along the crack. Causing a major trip hazard.
Crack in Concrete
For more information on what we do visit us at MVL Concrete.