Pea Gravel For Retaining Wall Base

Double the wall s width and use the actual length measurement when.

Pea gravel for retaining wall base.

The leveling pad is the first piece in constructing a stable wall that will last for. Base course drainage pipe. The following points need to be considered when planning your retaining wall installation. If you have loose or sandy soil you ll need a base layer.

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. Using bare ground as a base or over a base layer of crushed stone. Behind a timber or dry stacked stone retaining wall pea gravel also provides continuous support for a structure. Multiply the length and width measurements to.

If the soil in your area is a hard clay soil it may support the pea gravel on its own. All retaining walls encounter the force of water whether it s from heavy rains or some other unforeseen event. 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. 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.

Basic retaining wall installation step 1. This will help water to drain properly. Divide the base depth of 5 to 7 inches depending on the height of the wall by 1 944 to determine the square. Pour pea gravel over the landscape fabric until you have a layer a couple inches thick.

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. Measure the length and width of the wall. 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.