Ultra-Containment Berms, Stake Wall Model

Portable Secondary Containment For Drums, Tanks, Equipment And Vehicles Stake Wall Model Containment Berms feature a unique design which allows the sidewalls to collapse in either direction and spring back automatically to their upright position! Roll drums over the sidewalls, drive trucks through them, and the sidewalls always return to vertical without assistance. See how the sidewalls work No set-up required - unfold and the sidewalls automatically spring into their vertical position. Rugged Construction - made of XR5, a polymer-coated fabric; offers excellent chemical resistance and durability. Polyurethane and other materials also available.