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.
Making a retaining wall of concrete.
Refer to the plan or schematic for the retaining wall.
Cross section of a retaining wall a cinder block retaining wall is only as straight and solid as the base it s built on.
Of leveling sand and half the height of the first course of blocks.
Of compacted base 1 in.
When you reach the finished height of the concrete block retaining wall fill those cores containing rebar to the top with mortar.
How to build a concrete wall figure a.
Follow the block manufacturer s instructions for wall height limits.
It s entirely possible to build a retaining wall without reinforcing the concrete though not advised as the reinforcing will allow you to use less material so long as the concrete always works in compression this is how the first concrete dams were built or indeed many roman buildings.
Then use the marking paint and measuring tape to lay.
Measure and mark footing locations.
A locking flange on the blocks for this project makes your retaining wall ideas easier to accomplish.
Concrete retaining wall footing size the depth to the bottom of the base slab should be kept at a minimum of two feet.
How to pour a concrete retaining wall.
Spread additional mortar and lay cap block to finish the wall.
Tall wall excavate a trench deep enough to accommodate 4 to 6 in.