How to build a concrete wall figure a.
How to build a retaining wall concrete blocks.
But for diyers retaining wall blocks made of concrete are the best solution.
There are materials as well but they don t last long.
Avoid having downspouts pointed at the retaining wall and if it s against the house keep soil and mulch well below the siding.
Cross section of a retaining wall a cinder block retaining wall is only as straight and solid as the base it s built on.
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.
Follow the block manufacturer s instructions for wall height limits.
Check the level and alignment of all blocks as you go along adjusting them with a rubber mallet.
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.
The success of your retaining wall depends on a level base.
Heavy retaining wall blocks the blocks we used in our demonstration weigh 14 pounds each keep the soil at bay with their weight.
Tall wall excavate a trench deep enough to accommodate 4 to 6 in.
The retaining wall can be made from concrete blocks poured concrete treated time boulders and rocks.
Staring at one end place the first course of concrete blocks top side up on the crushed rock with the front lip facing up and towards the front of the wall.
Of compacted base 1 in.
Of leveling sand and half the height of the first course of blocks.