Follow the block manufacturer s instructions for wall height limits.
Making a retaining wall of concrete.
Of compacted base 1 in.
How to pour a concrete retaining wall.
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.
Concrete retaining wall footing size the depth to the bottom of the base slab should be kept at a minimum of two feet.
Cross section of a retaining wall a cinder block retaining wall is only as straight and solid as the base it s built on.
Measure and mark footing locations.
Then use the marking paint and measuring tape to lay.
A locking flange on the blocks for this project makes your retaining wall ideas easier to accomplish.
How to build a concrete wall figure a.
Smooth the top with a trowel.
Spread additional mortar and lay cap block to finish the wall.
Of leveling sand and half the height of the first course of blocks.
Refer to the plan or schematic for the retaining wall.
When you reach the finished height of the concrete block retaining wall fill those cores containing rebar to the top with mortar.
In general the top of the stem of any cast concrete retaining wall should not be less than 12 inches for the proper placement of concrete.