What’s Included?
After Selecting Your Wall Block the installer will provide the necessary skills, labour, tools required to complete your Garden Wall Project.
*Please note that there is a minimum square footage of 100 Square Feet per area. Step Faces Rounded up to 1 foot.
*Steps not included. Installation done at a different rate. Please see Concrete Steps Paver Overlay
* If the steps are not consistent within 1/2 inch according to building codes they make need to modified at an addition charge.
Basic Installation Includes
The following overview will help you understand the installation basics of a good garden wall.
Base preparation
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Excavate a trench minimum 12” to 16” deep depending on the block height. The trench should be twice the width of the wall unit.
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Ensure that all topsoil is removed. If the ground is comprised of loose fill, it will first need to be removed or compacted to prevent any further settlement. The best tools for this are a hand tamper or a jumping jack ramming compactor. (See Fig. 5+6)
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Line the trench with a landscape filter fabric
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Place 4” to 8” of gravel in the trench.
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The gravel should be free draining with particles ranging from 3/8” to 3/4” (ASTM No.57).
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Ensure that the trench will accommodate at least one complete row of wall units below grade.
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Using a jumping jack, a hand tamper or a plate compactor, compact the gravel in the trench.
Building the wall
After the base has been placed and compacted it is time to install the retaining wall blocks. Each system will have its own method of connection such as tongue and groove, clips or adhesive. Follow the directions specific to those products.
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Install Level block units at bottom of trench. Ensure that they are level end to end and from front to back.
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Begin to place the retaining wall units. Blocks must always be off set ½ unit so that the joints are staggered.
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Never build higher than the recommended maximum height for that product.
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Install filter fabric against the native soil and place the backfill gravel between the blocks and the filter cloth
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Wrap filter fabric over the top portion of gravel 6” below the coping surface. This will allow for topsoil and grass. Create a small swale which is graded properly to carry water away from the back of the wall.
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