We’ve all seen cracked concrete that looks a little worse for wear, but sometimes it is hard to distinguish whether to repair or replace your damaged concrete.
While concrete is extremely durable, over time it will wear down. When homeowners see signs of damage in their driveway or walkways, they might think it’s time to replace them. But that’s not always the case.
Concrete repair is a great way to revitalize your slabs, but how do you know if you should be repairing or replacing?
While there are a multitude of reasons why your concrete is damaged, here are some of the most common reasons:
Concrete’s number one enemy is the weather. Especially a dramatic change in weather. Temperature changes can cause concrete to expand and contract.
In warm weather, concrete expands, and when it cools, it shrinks. When concrete contracts and expands, the joints and cracks widen, collecting debris. Then, once it gets warm and the concrete will expand, causing the concrete to shift.
Your concrete slabs often were poured over areas of fill. And that fill, even if it was compacted very well, is not as stable as the native soils below.
So when fill soils consolidate and settle, voids form under the concrete slab. And eventually, that slab cracks and falls into these voids.
Concrete is a giant sponge. When it rains, concrete’s pores absorb every ounce of water. And when the sun comes out, the water evaporates.
This constant absorption and evaporation cycle causes spider-cracking at the concrete’s surface.
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