Check the level and alignment of all blocks as you go along adjusting them with a rubber mallet.
How to build a wall on concrete blocks.
Build up the wall.
Fill the concrete cores with crushed gravel.
Lay out the wall and excavate the slope and the footing trench.
All concrete block walls both structural and non structural require a solid poured concrete footing.
Make sure the footing depth extends below the frost line and check local building codes for construction requirements in your area.
Build end leads to corners.
Prepare the footing spread mortar and build leads sliding the block over the rebar as needed.
Standard 8 x 8 x 16 blocks would require a 16 wide footing.
How to build a concrete block wall with your own hands first it is necessary to prepare a solution for masonry.
How to do it.
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.
Lay out your concrete block in a dry run spacing it with 3 8 inch plywood spacers.
It should be a mixture of sand and cement 4 1 diluted with water to consistency suitable for work.
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.
Build the footing and insert rebar into the wet concrete at intervals corresponding to the cores in the blocks.
Once the first row is installed pack native soil to grade level on both sides of this course to anchor the wall in place.
Before you start lay out and pour footing.