Use a piece of scrap 3 8 inch plywood to fill in the mortar joint between each block.
How to lay a brick concrete block wall.
Apply mortar to the side.
Set the corner block.
Lay out your concrete block in a dry run spacing it with 3 8 inch plywood spacers.
It is important to lay the corner block down first.
Use your trowel to spread a few slabs of mortar around the corner s base of the.
Again use a corner block if they re.
Push the first block into the mortar until it s 3 8 inch above the footing.
Use corner blocks where they are needed and cut blocks as required to make it all fit.
Mark all the edges of the course.
Laying the concrete blocks 1.
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Take up the block and spread mortar on the footing.
Lay out a course of concrete block on the dry footing.
Step 4 mix mortar.
Lay out the block making sure to leave a 3 8 inch gap between the blocks to allow for the vertical mortar joints i e a typical 8x8x16 block is actually 15 5 8 inches long and 7 5 8 inches high to accommodate the mortar joint.
Spread the mortar along the corner.
Step 3 snap a chalk line on each side of the block wall as a reference line.