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 make a concrete retaining wall.
The cheapest and easiest material to use is 2 in 4 in 5 1 cm 10 2 cm boards cut from a softwood like pine.
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.
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 you want to build a concrete retaining wall you should consider pouring the wall rather than making it out of concrete blocks.
Of compacted base 1 in.
These wood barriers hold the concrete in place as it dries so you will need to create 2 of them.
Follow the block manufacturer s instructions for wall height limits.
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.
Poured concrete retaining walls can be colored textured accented with embedded objects and much more.
A poured wall is much stronger and generally last many more years than a block wall.
Of leveling sand and half the height of the first course of blocks.
Build the footing and insert rebar into the wet concrete at intervals corresponding to the cores in the blocks.
So to make a retaining wall that will last as long as life you should consider going with concrete blocks.
How to build a concrete wall figure a.
Tall wall excavate a trench deep enough to accommodate 4 to 6 in.
There are materials as well but they don t last long.
Here are the steps tom ralston owner of tom ralston concrete in santa cruz ca follows when pouring a retaining wall.
When installed properly concrete offers much more room for customization than any other retaining wall material.
The retaining wall can be made from concrete blocks poured concrete treated time boulders and rocks.
Build and prep footing lay out the wall and excavate the slope and the footing trench.
Stack wood planks to create a frame for the wall.
Pouring a concrete retaining wall is not that difficult and this easy to follow how to guide will show you just what to do.
Avoid having downspouts pointed at the retaining wall and if it s against the house keep soil and mulch well below the siding.