After setting the corner block butter the ears of the adjacent block and set it.
Making concrete retaining wall blocks.
Lay the first course staring at one end place the first course of concrete blocks top side up on the crushed rock with the front lip facing up and towards the front of the wall.
Smooth the top with a trowel.
Excavate deep enough to completely bury at least one full course including space for 6 to 8 in.
Of space behind it.
Spread additional mortar and lay cap block to finish the wall.
Using a tape measure decide the length and the width of your retaining wall then mark off the area with the garden stakes and string.
If your concrete wall turns a corner build the corner with alternating corner blocks.
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.
Begin digging into the ground with a shovel.
Establish a level trench to ensure an even layer of base material.
Mix the fill mortar slightly wetter than what you d use for joints.
Size the trench so there s enough room for the retaining wall block and at least 8 in.
To create a solid foundation dig a trench for the first course of your interlocking retaining wall blocks to sit in and make sure the ground remains even throughout.
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 compacted base 1 in.
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.
Start the first leg with a full corner block which is a stretcher block with a finished face on one end.
Of leveling sand and half the height of the first course of blocks.
Fill the concrete cores with crushed gravel.
When you reach the finished height of the concrete block retaining wall fill those cores containing rebar to the top with mortar.
Be sure to start alternate courses with a half block.