Of compacted base 1 in.
How to build a tall concrete retaining wall.
In general the top of the stem of any cast concrete retaining wall should not be less than 12 inches for the proper placement of concrete.
Typically measuring 8 by 8 by 16 inches these hefty guys feature two openings aka cells that help stabilize the wall with the help of rebar running through them.
Traditionally retaining walls were built with standard concrete blocks known as cmus concrete masonry units or cinder blocks as they re more commonly known in the u s.
The 8 foot wall actually needs to be four times stronger.
Follow the block manufacturer s instructions for wall height limits.
There are many things that need to go into building a retaining wall before the first shovel of dirt is ever moved.
Tall wall excavate a trench deep enough to accommodate 4 to 6 in.
Pouring a concrete retaining wall is not that difficult and this easy to follow how to guide will show you just what to do.
Use the plan design menu above to check out all of the information we have on how to build.
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.
A poured wall is much stronger and generally last many more years than a block wall.
Cross section of a retaining wall a cinder block retaining wall is only as straight and solid as the base it s built on.
Of leveling sand and half the height of the first course of blocks.
By using the information we have on building retaining walls you will get everything you need to plan design and build the perfect retaining wall project.
How to build a concrete wall figure a.
If you want to build a concrete retaining wall you should consider pouring the wall rather than making it out of concrete blocks.
Avoid having downspouts pointed at the retaining wall and if it s against the house keep soil and mulch well below the siding.
How to build a retaining wall.