How to Repair Cracks in Concrete Driveways

Many homes these days have concrete driveways because they provide a nice smooth space to park, and they are relatively easy to clean. The biggest problem with them, however, is when they start to crack.

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At first, it might be devastating to notice big cracks on your driveway because it may seem that there won’t be a way to get it looking as good as it did in the beginning. Since it is one of the first things people see when coming to your home you will want to get that fixed. Here are the simple steps for repairing your concrete driveway.

  1. The first step is to thoroughly clean the floor because you will need a clean slate to make sure that your repairs are done correctly. Oftentimes concrete driveways accumulate stains from oil and grease dripping onto it from a vehicle, so it is important that you scrub that off first along with any addition dirt that is on it. Doing this will greatly help the repair filler stick to the cement.
  2. Next, you will need a cold chisel and a hammer. Using both the chisel and the hammer, get rid of any big cement pieces on the crack. This process is called “keying” the hole because the object is to make the bottom of the inside of the crack larger than the opening space on the top. Slowly and carefully chisel out the area of the concrete crack until you have a decent sized hole, as this will help the filler material bond with the old crack.
  3. After you have made a decent sized hole inside the crack, clean up the area with a broom. You will want to get every bit of debris out of the way before proceeding to fill it, and one of the best ways to do so is to vacuum. Essentially, you will want a nice clean area inside the crack, and all the extra pieces you chiseled off should be thrown away.
  4. Once you have bought your concrete filler, snip of the top of the bottle’s nozzle and slowly fill in the cracks. If you are using a mixed concrete patch, then just follow the instructions on the container and trowel the patch into the crack. Every few minutes check to see if the filler has settled, and add more as needed if things don’t look right. Then, use a trowel over the filled area to smooth the cracks out.
  5. Check on the filler product’s container to see how long it will need to cure for. If there isn’t a set amount of time noted, then give it at least overnight to dry and settle in. After that, double-check everything to make sure you don’t need to add anymore.
  6. Finally, once your patch has dried completely and everything looks good, seal it. The reason for this is because concrete stains really easily, and applying a seal will prevent that from happening. A good choice to go with is heavy-duty water based polyurethane product that comes with a brush to smooth it over. If the surface of your concrete driveway is smooth, then use a roller over it to give it that slick surface. This type of seal dries very fast, so it is optimal to give it at least three layers before driving over it again.

Written by Robert Thompson, owner of TLC Lawncare & Landscaping, where they are one of the preferred concrete contractors in Columbia, MO has to offer. When it comes to decorative or stamped patios, TLC is here to help!

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