Footers for block walls consist of a footing trench steel reinforcement rods rebar and concrete.
How to build a concrete block wall footing.
Whether you re building a retaining wall or just need some extra privacy a cinder block wall is an affordable way to get the job done.
The size of the trench and diameter of the rebar depends on the purpose for the wall such.
If you missed it read up on how victor s team dug the footers laid rebar and poured the footers at those links.
It s time for another pro follow update as we follow along with contractor steve wartman and his crew.
Concrete blocks are a common building material for a variety of outdoor projects such as retaining walls and out buildings like garages and tool sheds.
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.
Prepare the concrete footing where the cinder block wall will sit.
Foundation all concrete block walls must rest on a sturdy foundation of poured concrete.
Block would require a 16 in.
To construct a block wall you need to establish a solid footing that is a minimum of twice the width of the concrete block.
Wide footing and extend below the frost line.
Once you ve got your base set up it just takes some finesse in building the wall up and turning corners.
However for even the most modest block structure to have enough rigidity to bear pressure and weight it needs proper footing.
Always check local building codes for construction requirements in your area.
The depth and size of the foundation will vary depending on the size of the concrete block wall and the weight it must support but a typical freestanding wall requires a foundation that is about twice as wide as the wall itself and which extends about 1 foot down below the frost line.