All retaining walls encounter the force of water whether it s from heavy rains or some other unforeseen event.
Pea gravel for retaining wall base.
The following points need to be considered when planning your retaining wall installation.
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.
Base course drainage pipe.
Because pea gravel is long lasting it also prevents stones and bricks on a patio or walkway from rotating under foot traffic.
There are a couple of ways to create a pea gravel patio.
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.
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.
Divide the base depth of 5 to 7 inches depending on the height of the wall by 1 944 to determine the square.
If the soil in your area is a hard clay soil it may support the pea gravel on its own.
Pour pea gravel over the landscape fabric until you have a layer a couple inches thick.
Excavation leveling pad.
Multiply the length and width measurements to.
Measure the length and width of the wall.
The leveling pad is the first piece in constructing a stable wall that will last for.
Double the wall s width and use the actual length measurement when.
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.
Using bare ground as a base or over a base layer of crushed stone.
The first course of block that you lay is known as the base course.
Behind a timber or dry stacked stone retaining wall pea gravel also provides continuous support for a structure.
This will help water to drain properly.