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.
How to build a mortarless concrete block wall.
Using our mortarless wall systems you can easily build walls in any size shape or layout including custom curves posts corners and more.
The hollow core design combines with mortarless construction to allow water to drain freely from behind the segmental retaining wall.
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.
Foundation all concrete block walls must rest on a sturdy foundation of poured concrete.
Throughout the block stacking phase and at the completion check that the wall has remained level.
This will aid in the adhesion of the material to the block and will also eliminate the otherwise dry block from pulling the moisture out of your surface bonding cement mix.
Before applying the surface bonding cement dampen the surface of the block.
Incidental water moves easily through a vertical drain that is formed by the layer of wall rock placed behind the block and in the block cores.
How to build a block wall without mortar.
Avoid having downspouts pointed at the retaining wall and if it s against the house keep soil and mulch well below the siding.
There are many ways to build one but the easiest method uses interlocking bricks designed for dry stacking.
This video shows you how to build a dry stack concrete block wall without mortar using quikrete quikwall surface.
Follow the block manufacturer s instructions for wall height limits.