Allan Block Retaining Wall Steps
With allan block you get an 8 in.
Allan block retaining wall steps. 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. Build the wall up to the step up location. 150 mm of base material under it that extends a minimum of 6 in. Allan block is the solution for a variety of applications.
The allan block collections of retaining wall products give you a choice of styles to meet your site and design requirements. On steep slopes keep the blocks tight together. 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. 100 mm of wall rock in the trench and compact thoroughly.
Step up again to the top of the slope. Landings can soften a long stairway and provide an easy way to tie sets of steps together. At the back of the trench step up 6 in. You will learn how to lay the base course and proper placement for wall and step units an.
Fill the block and behind with more wall rock and carefully compact again to lock. All the collections can build the basic gravity wall system for smaller wall projects. The length of the 824 assembly if available provides the flexibility to make this block ideal for this application. Building step ups with ab fieldstone 824 assembly.
Each stair riser will need a minimum of 6 in. 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. 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. Learn how to build steps using concrete block retaining wall units.
150 mm behind the retaining wall block. If using the 812 assembly use the instructions listed above. Rise and a 12 in. With allan block you can turn retaining wall ends into the hillside with smooth flowing curves corners or simple step downs.
Using geogrid to reinforce the retaining wall allows taller projects to be built. Step ups are most stable when the upper block has sufficient bearing on the lower block.