Learn how to build steps using concrete block retaining wall units.
Allan block retaining wall steps.
Building step ups with ab fieldstone 824 assembly.
Set the ab jumbo juniors in place to form the first riser.
No other wall system gives you as many choices for finishing off your retaining wall project.
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.
Allan block is the solution for a variety of applications.
On steep slopes keep the blocks tight together.
150 mm and excavate back another 12 in.
Fill the block and behind with more wall rock and carefully compact again to lock.
With allan block you get an 8 in.
Rise and a 12 in.
You will learn how to lay the base course and proper placement for wall and step units an.
Step ups are most stable when the upper block has sufficient bearing on the lower block.
If using the 812 assembly use the instructions listed above.
The allan block collections of retaining wall products give you a choice of styles to meet your site and design requirements.
With allan block you can turn retaining wall ends into the hillside with smooth flowing curves corners or simple step downs.
Landings can soften a long stairway and provide an easy way to tie sets of steps together.
Build the wall up to the step up location.
All the collections can build the basic gravity wall system for smaller wall projects.
150 mm behind the retaining wall block.
At the back of the trench step up 6 in.
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.
In this example the first stair riser is the continuation of the base course of the retaining wall that the stairs are being built into.
Using geogrid to reinforce the retaining wall allows taller projects to be built.
Each stair riser will need a minimum of 6 in.
100 mm of wall rock in the trench and compact thoroughly.
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.