Integrate redi rock standard blocks with the entire family of redi rock products to create a seamless structurally sound solution for your next project.
How tall retaining wall concrete block.
To figure out how many rows you ll need divide the ideal wall height by the height of the block.
Make sure to account for the first row being half buried.
For walls larger than 6 ft.
1 8 m use the information on large retaining walls.
Follow the block manufacturer s instructions for wall height limits.
Available in block widths of 28 41 and 60 inches 710 1030 and 1520 millimeters as well as multiple batter options.
As a general rule you do not want to build any sort of structure over 4 feet in height without including some type of structural support within.
The engineer will specify the base s width and depth how far down the base course should be buried and whether or not a geogrid soil reinforcement system should be used.
Cross section of a retaining wall a cinder block retaining wall is only as straight and solid as the base it s built on.
For example a retaining wall 8 feet tall is not just twice as strong as a wall 4 foot tall.
Walls more than 4 ft.
For a stacked block retaining wall that s no higher than four feet a trench filled with three inches of crushed rock will help keep the wall from shifting and settling.
Average most retaining walls whether load bearing or not average between 3 and 4 feet in height.
Of compacted base 1 in.
These large wetcast blocks are like one ton lego blocks that interlock to create tall gravity retaining walls.
Designing very tall walls gets rather complex when accounting for lateral pressure as do the reinforcement options.
Of leveling sand and half the height of the first course of blocks.
Avoid having downspouts pointed at the retaining wall and if it s against the house keep soil and mulch well below the siding.
Tall wall excavate a trench deep enough to accommodate 4 to 6 in.
The exact depth of the.
The interlocking retaining wall block can be used to build walls up to 24 to 36 inches high depending on the size of the block.
How to build a concrete wall figure a.
Use the plan design menu above to check out all of the information we have on how to build a retaining wall up to 6 ft.