Take up the block and spread mortar on the footing.
Building a garden wall with concrete blocks.
Mark all the edges of the course.
Cross section of a retaining wall a cinder block retaining wall is only as straight and solid as the base it s built on.
How to build a concrete wall figure a.
Tall wall excavate a trench deep enough to accommodate 4 to 6 in.
Lay out your concrete block in a dry run spacing it with 3 8 inch plywood spacers.
But for diyers retaining wall blocks made of concrete are the best solution.
Adjust for sloping ground.
Push the first block into the mortar until it s 3 8 inch above the footing.
Remove blocks and reset on 1l8 inch bed of bonding cement.
Of leveling sand and half the height of the first course of blocks.
Stack remaining blocks dry without mortar.
The first step in building a concrete block wall is to lay out the foundation using stakes and masonry string.
Use running bond pattern to stagger ends.
Corners should be interlocked.
Dig for the first row of block.
For a freestanding landscape wall this involves creating a simple rectangular outline of the planned foundation.
Add liquid cement color to surface bonding cement and mix so that it hangs on trowel held at 90 degree angle.
With the layout marked you can begin digging the trench.
Prepare the foundation step 1.
To bury the first row.
Of compacted base 1 in.
Retaining walls can be build of many different materials including wood timbers bricks or natural boulders.