Pea Gravel For Retaining Wall Base

Multiply the length and width measurements to.

Pea gravel for retaining wall base.

After your drainpipe is in place you should backfill the rest of the space behind the blocks with either sand or pea gravel either will allow water to filter through to the drainpipe at the base. The leveling pad is the first piece in constructing a stable wall that will last for. A handheld tamping tool can really help in getting the gravel level but you re right one stray stone can throw off the entire operation. To keep the blocks on your retaining wall level and structurally sound you need a base layer of several inches of well compacted sharp gravel.

All retaining walls encounter the force of water whether it s from heavy rains or some other unforeseen event. Divide the base depth of 5 to 7 inches depending on the height of the wall by 1 944 to determine the square. This will help water to drain properly. Behind a timber or dry stacked stone retaining wall pea gravel also provides continuous support for a structure.

Using bare ground as a base or over a base layer of crushed stone. Measure the length and width of the wall. Adding proper drainage prevents water pressure from building up behind the wall and causing it to collapse. If the soil in your area is a hard clay soil it may support the pea gravel on its own.

There are a couple of ways to create a pea gravel patio. Walls over 4 foot should use geo grid fabric different block designs limit allowable height use filter fabric over wet or dry soil then cover with gravel ensure good drainage with the use of backfill drain. Base course drainage pipe. Excavation leveling pad.

Because pea gravel is long lasting it also prevents stones and bricks on a patio or walkway from rotating under foot traffic. Basic retaining wall installation step 1. The following points need to be considered when planning your retaining wall installation. Pour pea gravel over the landscape fabric until you have a layer a couple inches thick.