This should produce a level base for the next set of risers.
Allan block retaining wall installation.
Adjust for level and alignment of each block as it s installed.
On each successive row simply reverse the position of the modified block to obtain an interlocked corner.
Use infill or approved on site soils to backfill behind the wall rock in lifts of no more than 8 in.
Remove the opposite half of the lip of another ab unit and position it over the right angle corner.
When backfilling behind the blocks fill the entire area that was earlier excavated to create the base for the next stair riser.
Select the application for your project and learn step by step details on how to plan design and build with allan block.
These blocks dry stack without mortar or footings.
More information on compacting your retaining wall.
Install allan block wall to designated height of first geogrid layer.
The allan block information center is a great place to find free downloadable information on everything you need here for planning designing and specifying retaining walls with the step by step instruction manuals and tech sheets.
The hollow core feature makes them easier to handle and promotes good drainage behind the wall.
Install wall rock in the block cores fill any space in front of and behind the block.
Allan block has all the products colors ideas and resources you need to design and build retaining walls for homeowners contractors designers and engineers.
200 mm lifts behind wall to depth equal to designed grid length before grid is installed.
The ab collection is easy to install.
The raised lip and notch lock each block in place and creates a natural setback.
Backfill and compact the wall rock and infill soil in layers not to exceed 8 in.
Lay the modified block perpendicular to another allan block unit with the lips lined up.
Welcome to allan block information center for retaining walls.
Use a plate compactor to consolidate the wall rock directly behind the block then compact in a path parallel to the wall working from the back of the block to the back of the excavated area with a minimum of 2 passes.
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