This article shows you how to install one in a weekend.
How do you build a concrete block retaining wall.
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.
Once you ve got your base set up it just takes some finesse in building the wall up and turning corners.
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.
A concrete block retaining wall is the perfect solution to control erosion to eliminate a hard to mow slope to add a planting bed or to level an ideal patio area.
Fill the concrete cores with crushed gravel.
Foundation all concrete block walls must rest on a sturdy foundation of poured concrete.
Avoid having downspouts pointed at the retaining wall and if it s against the house keep soil and mulch well below the siding.
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.
Concrete blocks are ideal for building walls to hold back the soil after you dig into a slope for a pathway patio or another landscaping project block retaining walls are generally the same as freestanding block walls but with a few important differences.