Block Wall Installation Guide

G wrap filter fabric over the top portion of gravel 6 below the coping surface.
Block wall installation guide. Install filter fabric against the native soil and place the backfill gravel between the blocks and the filter cloth fig. Spread approximately 4 of gravel evenly in the trench and rake the. Install wall rock and backfill materials fill the hollow cores and a minimum of 12 in. Install the wall rock to be level.
The most common are. Prepare the foundation step 1. The installation information demonstrates how to successfully construct retaining walls two sided patio seating walls and concrete fencing. Using construction adhesive secure your block caps and create the top layer of your retaining wall.
Used in the middle of walls where both ends are covered by adjoining. To determine the width of your future wall decide how many cinder blocks you want to use for the wall width then calculate the width using the block s measurements. This will allow for topsoil and grass. Using a shovel mark the ground where the retaining wall will be built.
In conjunction with the technical drawings that illustrate each step in detail these documents will facilitate the assembly required for each type of structure. Cover the gravel between your retaining wall and landscape with topsoil or sod so your garden will grow against your wall achieving a natural look. With the layout marked you can begin digging the trench. How to build a block retaining wall step 1.
Drive long wooden stakes into the ground. Dig for the first row of block. For row one knock off the flanges with a hammer and chisel so the. Adjust for sloping ground.
Used at the ends of walls where the end of the block is exposed. The block caps should overhang the retaining blocks by 1 to 1 1 2 inches. The installation guide provides the correct steps to follow during the first phase of wall construction. Use approved soils to backfill behind the wall rock and in front of the base course.
Create a small swale which is graded properly to carry water away from the back of the wall. 300 mm behind the wall with wall rock. Select the application for your project and learn step by step details on how to plan design and build with allan block. Stretcher unit has flange extension on both ends.
Excavate the entire area to a depth of 8. For example if your cinder blocks are 8x8 in 20x20 cm and you want to use 2 blocks to make up the wall s width your total wall width would be 16 in 40 cm. To bury the first row. Allan block has the solution for a wide variety of applications.
Single corner unit has one squared off end. Begin laying block at the lowest elevation of the wall. Double corner unit has two squared off ends. Bury the base course of block.