Pea Gravel Concrete Base
What type of gravel under concrete slab.
Pea gravel concrete base. The directions below will guide you through creating a pea gravel patio with a base layer. The depth of it the gravel base. Quikrete all purpose gravel is nominally 3 8 minus aggregate so it is smaller than the gravel. The small size of pea gravel rocks prevents large air pockets which reduces the possibility of frost heave damage.
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. 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. Whether you pour concrete for a walkway or patio a strong gravel base is required to prevent the concrete from cracking and shifting. The primary functions of a patio base include facilitating underground drainage and supporting the surface material so it doesn t sink.
Is this fish tank safe. You may just need to dig out and tamp down the area and add 2 to 3 inches of pea gravel over landscape fabric. Gravel is especially important in clay soil because it doesn t.