A retaining wall must provide a way to release the water that builds up in the slope behind it.
How to build a small concrete block retaining wall.
Without a pressure relief system the weight of the water in the soil would crack or even buckle the wall.
Block retaining walls are generally the same as freestanding block walls but with a few important differences.
If the distance is greater than 8 drive additional stakes so that the gaps do not exceed 8.
Whether you re building a retaining wall or just need some extra privacy a cinder block wall is an affordable way to get the job done.
Drive long wooden stakes into the ground at each end.
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.
How to build a concrete wall figure a.
Once you ve got your base set up it just takes some finesse in building the wall up and turning corners.
Of compacted base 1 in.
Avoid having downspouts pointed at the retaining wall and if it s against the house keep soil and mulch well below the siding.
Using a shovel mark the ground where the retaining wall will be built.
Tall wall excavate a trench deep enough to accommodate 4 to 6 in.