Concrete driveways will crack! There is really no way to avoid this. It seems like even the thickest slabs will crack over time. Simply put, concrete is no match for Mother Nature. If the concrete around the perimeter of your home is cracking and aging, you can do your part to cover and slow down further cracking with crack filler. It is a great DIY project that you can do in a matter of hours.
Using the Right Crack Fillers
First of all, it is very important that you don't use a normal concrete mix to fill your cracks. Even if you have some leftover mixture from when your slab was originally poured, normal concrete will not work well in small cracks. For the filler to work and hold in tight cracks, you need a crack filling solution. Crack filler is basically just like concrete mix except that it has adhesives so it will stick to the concrete. Crack filler also comes in premixed bottles and tubs. These a much easier to use and more convenient for small cracks. If you have a lot of cracks and anticipate that you will need to make further repairs in the future, the crack filler mixtures are handy. They just need to be mixed with water to create the solution.
Prepping and Pouring the Filler
You need to do a little prep before pouring the filler into the crack. First, check the depth of the crack. If the crack goes through the entire slab (that is, the slabs are completely separated), you will need to fix this problem. You might need some sand to fill in space underneath the slab. There is usually a cavity underneath a full separated slab that you want to fill in with dirt. Otherwise, all of the filler that you pour into the crack will just fall underneath the slab. Dirt is much cheaper than crack filler.
If you crack does not go all the way through the slab, it will be much easier to fill. You might need to clear out any weeds growing in the crack, but you don't need to make it perfectly clean. Just pour the filler into the crack until it reaches the top. Keep an eye on the crack filler as it settles before it dries. It might sink down further, so you will need to pour more filler to top it off. Just like that, you cracks will be filled. Your concrete will look much better, and the filler can slow down separation.
Contact a company like Hanson Aggregates for more information and assistance.Share