Follow the block manufacturer s instructions for wall height limits.
How to build a concrete retaining wall step by step.
How to build a retaining wall step by step step 1 dig a trench.
Retaining wall structure is commonly constructed to retain earth mass or back fill materials.
Construction of concrete block retaining walls with step by step process materials advantages applications and its construction inspection are discussed.
To form a concrete wall first set up plywood boards on either side of your concrete footer and attach them together with wire.
To make the wall as strong as possible pour the concrete in layers no higher than 20 inches working from 1 end of the wall to the.
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.
How to build concrete block retaining walls.
Then pour your concrete inside the form using a chute or hose attached to the mixer.
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.
Avoid having downspouts pointed at the retaining wall and if it s against the house keep soil and mulch well below the siding.
Poured concrete retaining walls can be colored textured.
For retaining walls taller than three feet you will likely need a building permit and to hire a structural engineer to help with the design of the wall.
Foundation all concrete block walls must rest on a sturdy foundation of poured concrete.