The footing dimensions will largely be determined by the size of the wall.
Cinder block retaining wall footing.
At each end of the wall set an 8 x 8 x 8 cinder block smooth side facing out.
A solid block wall needs a solid footing.
Prepare the concrete footing where the cinder block wall will sit.
Start by measuring the width of your future wall then calculate the footing area.
Determine the planned wall s height and width.
The footing should be at least as thick vertically as the wall s planned width.
The footing is the foundational base of the cinder block wall.
It should be at least two times wider than the width of your block.
The footing of a block wall provides a solid base for the blocks and reinforcement for the steel rods that reach up through the wall.
Footers for block walls consist of a footing trench steel reinforcement rods rebar and concrete.
For this you ll need to be careful on following the instructions on this video so you.
Garden walls are great ways to add style and structure to an area of your yard and depending on the materials they are not complicated to construct.
However for even the most modest block structure to have enough rigidity to bear pressure and weight it needs proper footing.
How to use shallow footings for garden walls.
Start the concrete footing by digging the area of the wall a few inches below the frost line the maximum depth in the ground below which the soil does not freeze during the winter consult a structural engineer to design the footing including where to install the vertical reinforcement which usually is placed.
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A poured concrete footing for concrete block or brick walls should be at least twice as wide as the planned wall.