How to Repair 3 Different Crack in Concrete
Crack in Concrete The typical concrete mixture is made up of cement, sand, gravel, and water. As the water in this slurry blend evaporates and disappears, the other three components harden into an extremely strong and solid slab of material – this is what we spend most of our time walking on whilst out in towns and cities.
The only downside to this process is that, as the mixture hardens, it shrinks. In some cases, this leads to tiny hairline fractures. Whilst most of these fractures initially pose no harm to the integrity of the concrete, over time, wear and tear contributes to its weakening and makes it more likely that fractures will appear on the surface. This is why large cracks sometimes appear in concrete paving.
Fortunately, there are a number of ways in which these cracks can be repaired. This handy guide to fixing the three most common types of concrete crack will show you how it is done.
1. Broad Crack in Concrete
Clearly, the larger the fracture, the more time and effort is going to be needed to put it right. However, if broad cracks appear in concrete paving, they can be repaired using just a chisel and a sledgehammer. The trick to achieving this is to make the base of the fissure wider, so that the crack is broader inside than it is on the surface. You then need to make sure that all of the pieces of concrete you have dislodged are removed – leftover debris will result in an uneven surface. With a suitable vinyl repair compound, fill the crack. To stop air bubbles from forming inside, you must keep be firm and smooth with your movements.
2. Narrow Crack in Concrete
If you can repair broader concrete cracks, you should have no problem dealing with the little ones. In fact, you can pick up a reliable concrete crack filler and use it to plug and smooth over narrow fissures in paving. With smaller aberrations, you should find that tools like caulking guns and lightweight trowels are more than enough to finish the job. To prevent further problems, always make sure that the treated area is kept smooth, free from concrete fragments, and under a reasonable amount of pressure, so as to avoid air bubbles.
3. Whole Concrete Slabs
This is the trickiest type of concrete crack to fix, because a solution requires more than just a filling compound. To repair the crack and make sure that further problems do not arise, you first need to completely fragment the slab itself. To fix it, you need to break it down and start from scratch, so to speak. This can be difficult, but if you use a sledgehammer, it should not take too long (though it will require a great degree of physical strength). Once fragmented, you can use the small pieces of the slab to make a foundation for its replacement – only then, can you start afresh and pour out a new concrete mixture over the broken area.
Seeking the Help of a Specialist
As repairing whole concrete slabs is such a physically demanding job, it is usually handled by a professional repair company or paving slab specialist. It is important that the task is carried out correctly, particularly if the broken slab is in a high traffic area, because a poor job will only lead to further problems in the future. Whilst cracks of this kind can be frustrating, they are a natural part of wear and tear, aging, and heavy use – they should be fixed quickly and simply.
If you do decide to call in the experts, you should arrange for a consultation before agreeing to pay for any work. This will give the repair company a chance to assess the damage and calculate a reasonable price estimate. There are some repair companies which will charge for this consultation and others which will not – it is always best to ask, rather than presume. Once you have a quote, you can then decide whether to work with the firm or look for another expert.
You should be looking for a repair company which is fast, but reliable. If left too long, cracks in concrete can cause big problems.