Build the footing and insert rebar into the wet concrete at intervals corresponding to the cores in the blocks.
How to build a wall on concrete blocks.
It should be a mixture of sand and cement 4 1 diluted with water to consistency suitable for work.
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.
Standard 8 x 8 x 16 blocks would require a 16 wide footing.
Once the first row is installed pack native soil to grade level on both sides of this course to anchor the wall in place.
Install the first course of blocks using a taut string line to establish a straight row.
All concrete block walls both structural and non structural require a solid poured concrete footing.
Build end leads to corners.
Fill the concrete cores with crushed gravel.
The concrete foundation needed to support a cement block wall is usually created by pouring concrete into a hollow form lining the sides of the excavation trench but the concrete can also simply be poured into the trench a common scenario for construction of a freestanding landscape wall.
How to build a concrete block wall with your own hands first it is necessary to prepare a solution for masonry.
Build up the wall.
How to do it.
Level to level blocks lengthwise and a torpedo level to level the front to back.
Check the level and alignment of all blocks as you go along adjusting them with a rubber mallet.
Prepare the footing spread mortar and build leads sliding the block over the rebar as needed.
You can also buy a ready dry mix glue which is diluted by simply adding water and stirred with a drill with a special nozzle.
Lay out the wall and excavate the slope and the footing trench.