You gotta walk it in 💪 — no heavy equipment rolling across an Infiltrator chamber drainfield. This is one of those steps that separates people who install systems from people who just bury plastic and hope. Chambers are engineered to flex and perform, but they’re not designed to be crushed by machine weight during backfill. One wrong move with heavy iron and you’ve compromised soil structure, chamber alignment, and long-term performance before the system ever sees wastewater. Proper backfill me