Spread approximately 4 of gravel evenly in the trench and rake the.
Building a retaining wall with concrete blocks.
The retaining wall can be made from concrete blocks poured concrete treated time boulders and rocks.
A lip on the back of each block creates a uniform setback as each course is added.
Using a shovel mark the ground where the retaining wall will be built.
Cross section of a retaining wall a cinder block retaining wall is only as straight and solid as the base it s built on.
There are materials as well but they don t last long.
Excavation work for concrete block retaining walls.
To bury the first row.
Further concrete retaining wall blocks are shaped in a way that creates a natural setback as the blocks are stacked.
Concrete block retaining wall construction consists of number of phases including excavation foundation soil preparation retaining wall base construction concrete block unit placement grouting and drainage system installation.
Of leveling sand and half the height of the first course of blocks.
Prepare the foundation step 1.
Adjust for sloping ground.
For row one knock off the flanges with a hammer and chisel so the.
This design causes the wall to angle slightly back into the slope further improving its holding power.
Of compacted base 1 in.
Dig for the first row of block.
Excavate the entire area to a depth of 8.
Tall wall excavate a trench deep enough to accommodate 4 to 6 in.
So to make a retaining wall that will last as long as life you should consider going with concrete blocks.
What you need measuring tape brick set small sledgehammer chalkline pencil mason s trowel level mason s blocks wheelbarrow striking tool story pole shovel.
With the layout marked you can begin digging the trench.
How to build a concrete wall figure a.