Rising Collar Drive Thru Berms

Made from "A" quality chemical-resistant fabric. Common sizes (in feet): 12x20, 12x36, 12x45, 14x30, 14x54, 16x24, 16x36, 16x40, 19x24. Any custom size available. Available wall heights:  12", 18" (all over-sized by 1-2"). Rising collars made from closed-cell foam. Seal-in foam collars engineered in a radius to facilitate self-rising design. Brackets spaced no further than 20" for superior strength. Brackets manufactured from 6061 military-grade aluminum.