Prepare the Wall Base
3:45
17:37
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At 3:45 in
This SHADY home builder cut corners
What happens here
After the old walls are removed and the area is cleared, the base for the new modular retaining wall is prepared. This crucial step involves establishing a perfectly level and compacted foundation. First, the soil is roughly graded, and string lines are set up to mark the exact alignment of the new wall. A layer of crushed gravel is then spread evenly along the marked line. This gravel layer is then thoroughly compacted using a plate compactor to ensure a stable, solid, and well-draining base for the first course of blocks.
Goal: Create a stable, level, and well-draining foundation for the retaining wall blocks.
Tools and materials
- Hand Level — Checking the level of the gravel base and individual blocks
- Plate Compactor Bomag — Compacting the soil and crushed gravel base
- Rake — Spreading and leveling the crushed gravel
- Shovel — Moving and spreading gravel and dirt
- String Lines — Marking the precise alignment and height of the wall base
- Crushed gravel — Creating a stable, permeable base layer for the blocks
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