How to Fill and Lap Sand Bags Strip sod before placing bottom layer. Bonding trench is 1 sack deep by 2 sacks wide. Sacks should be half full of clay, sand or silt. Lap unfilled portion of sack under next sack. Tying or sewing of sacks is not necessary.
Tamp sacks thoroughly in place.
We suggest you contact your local municipal authorities for additional information and guidance.