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