To create a solid foundation dig a trench for the first course of your interlocking retaining wall blocks to sit in and make sure the ground remains even throughout.
How to build a concrete retaing wall.
Here are the steps tom ralston owner of tom ralston concrete in santa cruz ca follows when pouring a retaining wall.
A poured wall is much stronger and generally last many more years than a block wall.
If you want to build a concrete retaining wall you should consider pouring the wall rather than making it out of concrete blocks.
Materials tools and site.
So to make a retaining wall that will last as long as life you should consider going with concrete blocks.
There are materials as well but they don t last long.
Then pour your concrete inside the form using a chute or hose attached to the mixer.
Using a tape measure decide the length and the width of your retaining wall then mark off the area with the garden stakes and string.
When installed properly concrete offers much more room for customization than any other retaining wall material.
The wall we built was a weekend long project and an exhausting one at that.
It took a day to rip out the old collapsing retaining wall to dig farther into the hill to provide room for the backfill gravel and to help unload materials.
How to build a concrete wall prep work.
Follow the block manufacturer s instructions for wall height limits.
Avoid having downspouts pointed at the retaining wall and if it s against the house keep soil and mulch well below the siding.
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.
Concrete blocks are ideal for building walls to hold back the soil after you dig into a slope for a pathway patio or another landscaping project block retaining walls are generally the same as freestanding block walls but with a few important differences.
To form a concrete wall first set up plywood boards on either side of your concrete footer and attach them together with wire.
The success of your retaining wall depends on a level base.
Pouring a concrete retaining wall is not that difficult and this easy to follow how to guide will show you just what to do.