Erosion Control Selector Pick the righthydromulch system. Matches your batter geometry and substrate to the right DuraVeg product, application rate and timing window — based on GMA's field-proven methodology (procedure GMA-REH-PROC-002). 01 — Geometry Batter slope ≤ 3H:1VGentle to moderate cuts 3H–2H:1VTypical road / batter 2H–1H:1VSteep cut > 1H:1VChannel / spillway 02 — Substrate Material type Loam / sandy loam Lateritic / ironstone Calcareous coastal Low OM road cut Heavy clay 03 — Region Climate zone South West / Collie Pilbara Goldfields Mid West Recommended system at ⚠ Risk class: Coverage Cure time Longevity Surface prep Application window Optimal: Avoid: Substrate consideration Request site work instruction →
