Tall wall excavate a trench deep enough to accommodate 4 to 6 in.
Building a retaining wall with cinder blocks.
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Aug 17 2019 explore donald cawood pope s board concrete block retaining wall on pinterest.
Lay out the first layer of cinder blocks.
Check the level and alignment of all blocks as you go along adjusting them with a rubber mallet.
Of leveling sand and half the height of the first course of blocks.
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.
Fill the concrete cores with crushed gravel.
A cinder block retaining wall requires a bit of heavy lifting and plenty of planning and preparation of the area where you intend to build.
Put 3 8 inch 0 95 cm plywood spacers in between the blocks.
Starting at one end of the wall lay out the cinder blocks end to end until you reach the first turn in the wall.
Avoid having downspouts pointed at the retaining wall and if it s against the house keep soil and mulch well below the siding.
A cinder block retaining wall is only as straight and solid as the base it s built on.
A well built cinder block retaining wall can add a sense of a separate secure space within a wider space turn a slope into a garden and add living space by holding back a hillside.
Follow the block manufacturer s instructions for wall height limits.