Lay the first row.
How to build a concrete retaining wall.
Tall wall excavate a trench deep enough to accommodate 4 to 6 in.
Lay out the wall and excavate the slope and the footing trench.
As you lay the second course of block insert weep holes 3 4 inch pipe into the mortar every third.
Cross section of a retaining wall a cinder block retaining wall is only as straight and solid as the base it s built on.
If the wall exceeds four feet in height footings should be poured separately.
How to build a concrete wall figure a.
The block caps should overhang the retaining blocks by 1 to 1 1 2 inches.
Of compacted base 1 in.
Refer to the plan or schematic for the retaining wall.
How to pour a concrete retaining wall.
Build the retaining wall step 1.
Then use the marking paint and measuring tape to lay.
Using construction adhesive secure your block caps and create the top layer of your retaining wall.
For row one knock off the flanges with a hammer and chisel so the blocks will sit flat.
Cut a block to start.
Prepare the first row.
Allow concrete to cure.
Measure and mark footing locations.
Level the first block.
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.
Finish the surface of the wall as desired.
See below for more information on contraction joints remove forms and install waterproofing and drainage system.
Scrape off excess mortar.
Of leveling sand and half the height of the first course of blocks.
Build the footing and insert.