How To Build A Block Retaining Wall Corner
You can butt one wall into the other wall or you can use the interlocking method as shown below.
How to build a block retaining wall corner. The construction of inside corners is relatively simple because no additional units are required. Inside Corners with AB. Place an alternating corner block on the second course and set the entire second course of block in both directions.
Avoid having downspouts pointed at the retaining wall and if its against the house keep soil and mulch well below the siding. Set the first corner block in place and install the two perpendicular base courses. Tall wall excavate a trench deep enough to accommodate 4 to 6 in.
Retaining Wall Corners Altering AB Corner Blocks for Different Setbacks. Level backfill and compact. Step 1 - Design the Corner Lay out your retaining wall using some pegs paying particular attention to the corner.
Most retaining wall outside corners built with wedge-shaped blocks are curved rather than a 90 angle. The pre-made ones are made with the same tool I have at the masonry supply yard by their guys. The interlocking retaining wall block can be stacked to build walls up to 24 to 36 inches high depending on the size of the block.
Brush off the last layer of stones and clean off any debris. Use a 90 Retaining wall Corner unit to build an outside corner. AB Corner Blocks are manufactured with a 12 setback.
On inside corners additional geogrid is required to extend past the end of the retaining wall 25. Of compacted base 1 in. To construct retaining wall corners using wedge-shaped blocks.