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Why Do You Put Gravel Under Concrete?

Because concrete is a very porous material, it will absorb any moisture it contacts. This can cause pooling. Pooling water will settle under it without crushed stone and erode your slab. Adding a layer of crushed stone will add proper drainage and create a barrier between your slab and the ground.

Why Do You Put Gravel Under Concrete?

Why do you put gravel under concrete? This is a common question asked by many homeowners looking to build a concrete slab or walkway in their yard. The answer is simple: gravel helps to create a solid foundation for the concrete slab or walkway and helps prevent cracking and shifting.

Gravel is a great material to use as a base for concrete because it provides a stable, even surface for the concrete to be poured on. It also helps to keep the concrete from moving around as it dries and sets. Without the gravel to provide a strong, stable base, the concrete could eventually crack or shift due to the pressure of the weight of the concrete itself.

The gravel also helps to facilitate water drainage away from the concrete. Without gravel, the water can pool around the concrete and cause potential damage to the concrete itself, including cracking, spalling, and crumbling. The gravel provides a barrier that keeps the water from pooling around the concrete and allows it to drain away.

In addition to providing a firm, stable base, the gravel also helps to mix with the concrete to create a stronger mixture. As the concrete sets, the gravel helps to fill in any gaps or imperfections that may be present on

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