Pea Gravel Concrete Base

A 4 to 6 inch layer of compacted pea gravel can support a patio surface under normal wear and tear.

Pea gravel concrete base.

What type of gravel under concrete slab. The primary functions of a patio base include facilitating underground drainage and supporting the surface material so it doesn t sink. Quikrete all purpose gravel is nominally 3 8 minus aggregate so it is smaller than the gravel. Whether you pour concrete for a walkway or patio a strong gravel base is required to prevent the concrete from cracking and shifting.

A layer of gravel placed between the soil and the concrete slab prevents damage from shifting and heaving and increases the weight bearing capacity of the driveway. The directions below will guide you through creating a pea gravel patio with a base layer. The depth of it the gravel base. Both products are suitable for use as a drainage base for a concrete slab.

However a base layer is still a good idea for hard soil since it ll give the patio more structure support and allow for better drainage. The small size of pea gravel rocks prevents large air pockets which reduces the possibility of frost heave damage. Concrete for a 15 foot square slab how to lay a gravel shed foundation water leak under a concrete slab building a greenhouse foundation gravel vs concrete shed base which is concrete for a 15 foot square slab.