Proper installation begins with digging a trench that is at least six inches deep and six inches wide along the designated line. The bottom edge of the fabric must be buried in this trench and backfilled with compacted soil or gravel. This critical step prevents water from undermining the barrier and flowing underneath the fabric. Wooden or steel posts are then driven firmly into the ground on the downslope side of the fabric to provide structural support. The fabric is securely attached to the posts, ensuring it remains taut and upright against the pressure of accumulated water.
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