Excavation leveling pad.
Put retaining wall on concrete or gravel.
The first course of block that you lay is known as the base course.
Tall wall excavate a trench deep enough to accommodate 4 to 6 in.
Use crushed stone behind the wall loose gravel and stones don t hold water like soil does.
Basic retaining wall installation step 1.
Retaining walls can be constructed using a variety of materials from poured concrete and large timbers to natural stones even bricks.
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.
If needed reposition it using additional.
Second a retaining wall must have properly compacted backfill.
After you finish the first course fill the space between your retaining wall and.
Position your first block and use a standard level to make sure it s even.
Of compacted base 1 in.
For diy purposes opt for manufactured blocks that are.
The following points need to be considered when planning your retaining wall installation.
Building a retaining wall in the conventional ways is not a trivial matter.
The taller a wall is the further below ground level it should be set.
Your retaining wall design will determine how you mark the area.
Base course drainage pipe.
How to build a concrete wall figure a.
A retaining wall is a practical outdoor feature that can help keep your yard in top form but it s often overlooked or misunderstood.
Cross section of a retaining wall a cinder block retaining wall is only as straight and solid as the base it s built on.
The base of a retaining wall should be set below ground level.
The leveling pad is the first piece in constructing a stable wall that will last for.
Follow the block manufacturer s instructions for wall height limits.
Crucial for supporting the rest of the wall a good base is made of compacted soil and at least a six inch layer of compacted sand and gravel.
Of leveling sand and half the height of the first course of blocks.
Avoid having downspouts pointed at the retaining wall and if it s against the house keep soil and mulch well below the siding.
That s right the idea is that.
We go about 6 8 deep behind the wall with loose rock usually crushed granite and up to the second row from the top.
To mark a free form layout use a rope or hose to outline the shape.
In its most basic form it s a structure that holds soil in.
Continue laying your first course of blocks making sure to check that every block is level.