At first only place the layers of blocks to see if you are getting the desired look and are effective.
How to make a concrete block retaining wall.
Push the first block into the mortar until it s 3 8 inch above the footing.
Alternately you can build the retaining wall then fill in the space behind it.
Make sure they are solid and a minimum of twice the width of the concrete blocks you ve decided to build with.
Drive long wooden stakes into the ground.
As you lay the second course of block insert weep holes 3 4 inch pipe into the mortar every third.
This will help to stagger the layout of your.
How to build a concrete wall figure a.
Build the footing and insert.
How to do it build and prep footing.
This is often the method used where the slope is quite steep.
Excavate the entire area to a depth of 8.
How to build a block retaining wall step 1.
Of compacted base 1 in.
Cross section of a retaining wall a cinder block retaining wall is only as straight and solid as the base it s built on.
Adjust for sloping ground.
Check your base blocks often with a level.
Create a staggered form with the blocks to build a wall.
Establish a level trench to ensure an even layer of base material.
Dig for the first row of block.
To bury the first row.
Cut the blocks with masonry chisel to get the required shape and size for the wall.
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.
Your brick set should have half blocks included.
Excavate deep enough to completely bury at least one full course including space for 6 to 8 in.
Scrape off excess mortar.
Mark all the edges of the course.
For row one knock off the flanges with a hammer and chisel so the.
Take up the block and spread mortar on the footing.
Of space behind it.
Lay out your concrete block in a dry run spacing it with 3 8 inch plywood spacers.
With the layout marked you can begin digging the trench.
If the wall is load bearing meaning it will hold dirt or other heavy substances the tie rods should be at least 6 inches into the footing before you set the wall.
First approach your footings.
Prepare the foundation step 1.
To create a flat area in front of the wall the process involves cutting back or notching into the slope then building a retaining wall to hold back the remaining hillside behind the wall.
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.
Tall wall excavate a trench deep enough to accommodate 4 to 6 in.
Place it directly on top of your base block.
Grab a half block.
Building up and around a corner 1.