Remember that each cinder block is typically 7 63 inches by 7 63 inches by 15 63 inches.
Building a concrete block fence.
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The first step in building a concrete block wall is to lay out the foundation using stakes and masonry string.
Modular concrete fence construction.
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Screed the aggregate from pile to pile to create a level base for the fence panel.
If a concrete leveling pad is used provide expansion material between the ends of the pad and the sides of the piles.
Allow 1 4 inch between cinder blocks where the gap is filled with concrete to get the number of blocks required.
Use a mechanical plate compactor or other acceptable means to compact the aggregate.
Calculate the number of cinder blocks that you will need by establishing the length and height of the wall.
Push the first block into the mortar until it s 3 8 inch above the footing.
Mark all the edges of the course.
Check base for level using a hand level and screed.
Lay out your concrete block in a dry run spacing it with 3 8 inch plywood spacers.