Prepare the Permeable Sub-Base for Drainage
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Where does the water go? #swimmingpool #paverpatio #pavers #hardscape
What happens here
Before laying any pavers, or if retrofitting an existing patio, it's essential to ensure the sub-base beneath the area designated for the permeable drainage border is prepared to allow water to permeate effectively. This typically involves compacting a layer of permeable aggregate, such as crushed stone or gravel, that allows water to pass through and into the underlying soil without accumulating. For new construction, this is part of the standard sub-base preparation. For retrofitting, you would carefully remove existing pavers in the border area and modify the sub-base as needed.
Goal: Create a sub-base that allows water to drain through it effectively.
Tools and materials
- Plate compactor — For compacting the sub-base material to ensure stability and proper drainage
- Shovel — For excavating soil or spreading aggregate evenly
- Wheelbarrow — For transporting aggregate and excavated materials
- Crushed stone — To form the permeable aggregate layer of the sub-base
- Geotextile fabric — To separate the sub-base aggregate from the native soil, preventing mixing and maintaining drainage effectiveness