With the layout marked you can begin digging the trench.
Making a concrete block retaining wall.
How to build a concrete wall figure a.
Cross section of a retaining wall a cinder block retaining wall is only as straight and solid as the base it s built on.
Excavate the entire area to a depth of 8.
Lay out the wall and excavate the slope and the footing trench.
Scrape off excess mortar.
Put 3 8 inch 0 95 cm plywood spacers in between the blocks.
Make the trench wide deep and level size the trench so there s enough room for the retaining wall block and at least 8 in.
What you need tape measure circular saw brick set small sledgehammer chalkline pencil mason s trowel level line level mason s blocks wheelbarrow concave jointer story pole.
As you lay the second course of block insert weep holes 3 4 inch pipe into the mortar every third.
Prepare the foundation step 1.
Of space behind it.
Using a shovel mark the ground where the retaining wall will be built.
Starting at one end of the wall lay out the cinder blocks end to end until you reach the first turn in the wall.
Lay out the first layer of cinder blocks.
Adjust for sloping ground.
Create a staggered form with the blocks to build a wall.
If your wall is straight line up the first layer of cinder blocks from one end to the other end.
Cut the blocks with masonry chisel to get the required shape and size for the wall.
Dig for the first row of block.
To bury the first row.
Drive long wooden stakes into the ground.
Spread approximately 4 of gravel evenly in the trench and rake the.
Of leveling sand and half the height of the first course of blocks.
Build the footing and insert.
Excavate deep enough to completely bury at least one full course including space for 6 to 8 in.
How to do it build and prep footing.
Tall wall excavate a trench deep enough to accommodate 4 to 6 in.
For row one knock off the flanges with a hammer and chisel so the.
Establish a level trench to ensure an even layer of base material.