Of leveling sand and half the height of the first course of blocks.
How to build a small concrete block retaining wall.
Follow the block manufacturer s instructions for wall height limits.
Once you ve got your base set up it just takes some finesse in building the wall up and turning corners.
Avoid having downspouts pointed at the retaining wall and if it s against the house keep soil and mulch well below the siding.
How to build a concrete wall figure a.
Cross section of a retaining wall a cinder block retaining wall is only as straight and solid as the base it s built on.
A retaining wall must provide a way to release the water that builds up in the slope behind it.
Drive long wooden stakes into the ground at each end.
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.
Of compacted base 1 in.
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.
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.