Concrete can last for decades when it’s done right but it only stays strong if it’s mixed and poured properly. Cracks don’t happen by accident; they usually come from a few common mistakes.

Too Much Water

One of the main reasons concrete cracks is because too much water is added. Concrete doesn’t need much water to be strong, but extra water is often added to make it easier to pour. The problem is that this water makes the concrete weaker. As the concrete dries, it shrinks and that creates forces that pull it apart and cause cracks. The wetter the mix, the more it shrinks and to avoid this, make sure your contractor uses the right water-to-cement ratio.

Drying Too Fast

Concrete needs water to harden properly. This chemical process, called hydration, continues for days or even weeks after the pour. If the concrete dries too quickly, it’s more likely to crack. Proper curing keeps the concrete moist while it hardens and it should take 4 to 6 days for the best results.

Other Reasons

Cracks can also happen if the wrong strength concrete is used or if control joints aren’t installed. Control joints are shallow lines cut into the slab to guide cracking, so it happens in the right places. Local contractors, like the example seen here, www.monstermixconcrete.co.uk/concrete-stroud/ who make concrete Stroud, will know how far apart joints should be for the thickness of your slab.

By using the right mix, curing it properly, and installing joints correctly, most cracks can be prevented, leaving you with strong, long-lasting concrete.