Bury the bottom course or courses of the retaining wall one tenth the height of the wall to prevent the soil behind from pushing the bottom out.
How to build concrete retaining wall.
Of leveling sand and half the height of the first course of blocks.
With the layout marked you can begin digging the trench.
Using construction adhesive secure your block caps and create the top layer of your retaining wall.
An easy way to build retaining walls.
Adjust for sloping ground.
Refer to the plan or schematic for the retaining wall.
Here are three key principles in building any solid retaining wall.
Cover the gravel between your retaining wall and landscape with topsoil or sod so your garden will grow against your wall achieving a natural look.
If the wall exceeds four feet in height footings should be poured separately.
Measure from the edge of your concrete footing to the point where the outside face of your wall will be.
See below for more information on contraction joints remove forms and install waterproofing and drainage system.
Finish the surface of the wall as desired.
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 the footing and insert.
Measure out from that nail to where the other face of your wall will be and place another nail.
Allow concrete to cure.
Leave the concrete in the bag stack like legos wet with a hose surprisingly this seems to work quite well by rain noe october 19 2018.
How to pour a concrete retaining wall.
Step back the blocks rocks or timbers to get gravity working in your favor.
To bury the first row.
For row one knock off the flanges with a hammer and chisel so the.
Scrape off excess mortar.
As you lay the second course of block insert weep holes 3 4 inch pipe into the mortar every third.
Of compacted base 1 in.
Measure and mark footing locations.
Then use the marking paint and measuring tape to lay.
Drive a nail into the concrete here.
Dig for the first row of block.
Create contraction joints every 4 6 feet.
Lay out the wall and excavate the slope and the footing trench.
How to build a concrete wall figure a.
How to do it build and prep footing.
Prepare the foundation step 1.
The block caps should overhang the retaining blocks by 1 to 1 1 2 inches.