Create a staggered form with the blocks to build a wall.
Build a concrete block retaining wall.
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.
How to do it build and prep footing.
Establish a level trench to ensure an even layer of base material.
Concrete block retaining wall construction consists of number of phases including excavation foundation soil preparation retaining wall base construction concrete block unit placement grouting and drainage system installation.
Of space behind it.
To bury the first row.
Excavate deep enough to completely bury at least one full course including space for 6 to 8 in.
If the distance is greater than 8 drive additional stakes so that the gaps do not exceed 8.
Of compacted base 1 in.
At first only place the layers of blocks to see if you are getting the desired look and are effective.
But for diyers retaining wall blocks made of concrete are the best solution.
Lay out your concrete block in a dry run spacing it with 3 8 inch plywood spacers.
Prepare the foundation step 1.
As you lay the second course of block insert weep holes 3 4 inch pipe into the mortar every third.
Heavy retaining wall blocks the blocks we used in our demonstration weigh 14 pounds each keep the soil at bay with their weight.
Cross section of a retaining wall a cinder block retaining wall is only as straight and solid as the base it s built on.
Build end leads to corners.
Lay out the wall and excavate the slope and the footing trench.
Start the third layer with a regular cinder block and build out.
With the layout marked you can begin digging the trench.
Start the fourth layer with a half block and continue starting layers with half blocks every other layer until your wall has reached the desired height.
Build the footing and insert.
How to build a concrete wall figure a.
Before you start lay out and pour footing.
Retaining walls can be build of many different materials including wood timbers bricks or natural boulders.
Of leveling sand and half the height of the first course of blocks.
Adjust for sloping ground.
Using a shovel mark the ground where the retaining wall will be built.
Repeat the buttering and laying blocks technique to build out the wall s second layer.
Drive long wooden stakes into the ground at each end.
Scrape off excess mortar.
These phases are explained briefly.
Build up the wall.
Cut the blocks with masonry chisel to get the required shape and size for the wall.
For row one knock off the flanges with a hammer and chisel so the.
Dig for the first row of block.