So to make a retaining wall that will last as long as life you should consider going with concrete blocks.
How to build a retaining wall with concrete base.
Stretch a level line between wood stakes to establish the wall height.
The success of your retaining wall depends on a level base.
Of compacted base 1 in.
How to build a concrete wall figure a.
To create a solid foundation dig a trench for the first course of your interlocking retaining wall blocks to sit in and make sure the ground remains even throughout.
25 mm for each 1 ft 300 mm of wall height for the amount or buried block that is needed.
Add 6 inches of stone then compact it with a hand tamper.
Add 2 inches of stone dust to create setting bed.
Avoid having downspouts pointed at the retaining wall and if it s against the house keep soil and mulch well below the siding.
Back from face of retaining wall.
Steps to building a retaining wall.
Tall wall excavate a trench deep enough to accommodate 4 to 6 in.
Using a tape measure decide the length and the width of your retaining wall then mark off the area with the garden stakes and string.
150 mm plus an additional 1 in.
But far more frequently it causes problems by building up behind the wall saturating the soil and applying incredible pressure.
The retaining wall can be made from concrete blocks poured concrete treated time boulders and rocks.
Dig into hillside 2 ft.
Water can weaken retaining walls by washing out the base material that supports the wall.
Uncontrolled water weakens walls.
Building a retaining wall in the conventional ways is not a trivial matter.
600 mm wide the length of the wall the depth of the trench will be 6 in.
That s right the idea is that.
Follow the block manufacturer s instructions for wall height limits.
That s when walls start leaning bulging and toppling.
Cross section of a retaining wall a cinder block retaining wall is only as straight and solid as the base it s built on.
More information on retaining walls where the base trench steps up a slope.
The interlocking retaining wall block can be used to build walls up to 24 to 36 inches high depending on the size of the block.
So diyers have come up with an interesting trick.
Dig out dirt along base of wall to accommodate 6 inches of crushed stone.
Of leveling sand and half the height of the first course of blocks.
There are materials as well but they don t last long.