The length of the 824 assembly if available provides the flexibility to make this block ideal for this application.
Allan block retaining wall steps.
Step up again to the top of the slope.
Rise and a 12 in.
Learn how to build steps using concrete block retaining wall units.
All the collections can build the basic gravity wall system for smaller wall projects.
200 mm rise and a 300 mm run on gentle slopes add pavers or other materials to increase the depth of the tread and length of the run.
One of the unique benefits that sets allan block apart from other retaining wall systems is a great variety of options for ending and stepping down retaining walls.
Step ups are most stable when the upper block has sufficient bearing on the lower block.
Set the ab jumbo juniors in place to form the first riser.
The allan block collections of retaining wall products give you a choice of styles to meet your site and design requirements.
150 mm of base material under it that extends a minimum of 6 in.
With allan block you get an 8 in.
100 mm of wall rock in the trench and compact thoroughly.
If using the 812 assembly use the instructions listed above.
Each stair riser will need a minimum of 6 in.
Landings can soften a long stairway and provide an easy way to tie sets of steps together.
No other wall system gives you as many choices for finishing off your retaining wall project.
At the back of the trench step up 6 in.
Fill the block and behind with more wall rock and carefully compact again to lock.
The installation information demonstrates how to successfully install retaining walls two sided patio seating walls and privacy fencing select the application for your project and learn step by step details on how to plan design and build with allan block.
On steep slopes keep the blocks tight together.
Allan block is the solution for a variety of applications.
Build the wall up to the step up location.
150 mm behind the retaining wall block.
Using geogrid to reinforce the retaining wall allows taller projects to be built.
You will learn how to lay the base course and proper placement for wall and step units an.
With allan block you can turn retaining wall ends into the hillside with smooth flowing curves corners or simple step downs.