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