Tall wall excavate a trench deep enough to accommodate 4 to 6 in.
Solid concrete retaining wall blocks.
Of compacted base 1 in.
These mortarless walls do not need frost footings.
Is manufactured to astm c 90 specifications and used in foundations and above grade masonry walls.
The addition of thin wire truss reinforcing.
When concrete blocks are stacked on top of one another you can look down through the center of the foundation.
The perfect retaining wall system versa lok retaining wall systems are cost effective easy to install and give you endless design options.
Make block walls solid.
A cinder block retaining wall is only as straight and solid as the base it s built on.
Redi rock gravity walls rely on massive concrete blocks to hold up the earth.
Versa lok segmental retaining walls are made from high strength concrete units dry stacked interlocked with pins and set on granular leveling pads.
These heavy weight interlocking gray blocks are uniform in texture size and color while being dimensional and accurate.
The hollow core design combines with mortarless construction to allow water to drain freely from behind the segmental retaining wall.
Find retaining wall block at lowe s today.
Of leveling sand and half the height of the first course of blocks.
The gravity wall system is an engineered retaining wall solution that relies on the weight of massive one ton blocks to retain the earth.
Design build manufacturer of interlocking large concrete blocks for gravity retaining walls security walls railroad flood control and containment bins.
Lighter hollow blocks are available but they can t be split because cutting will expose the voids.
Also some hollow blocks require individual backfilling which is time consuming.
After the concrete blocks are laid the voids can be filled with a cement based mortar or poured concrete that contains small pea gravel.
For example you can make a concrete block wall stronger than a poured concrete wall by simply adding some reinforcing steel and additional mortar to the block wall.
The trick is to insert vertical steel rods from top to bottom in the hollow cores and fill those hollow cores to the top with mortar.
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.
This heavy weight solid block is uniformly square and free of large chips.