For row one knock off the flanges with a hammer and chisel so the.
How to build a concrete block retaining wall.
Of compacted base 1 in.
Lay out your concrete block in a dry run spacing it with 3 8 inch plywood spacers.
Build the footing and insert.
Prepare the foundation step 1.
Adjust for sloping ground.
Take up the block and spread mortar on the footing.
How to do it build and prep footing.
Push the first block into the mortar until it s 3 8 inch above the footing.
Of leveling sand and half the height of the first course of blocks.
Dig for the first row of block.
Mark all the edges of the course.
To bury the first row.
How to build a concrete wall figure a.
With the layout marked you can begin digging the trench.
As you lay the second course of block insert weep holes 3 4 inch pipe into the mortar every third.
The wall will also have weep holes to prevent the build up of water behind the 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.
A retaining wall will normally have a high newton block reinforced concrete wall often with piers sitting on a reinforced foundation even a low one with if required a fair face wall sitting in front.