Rumble Grate LLC.
The Grizzly® Rumble Grate, bestofbreed Trackout Control Device, used by contractors across the country, consists of 8 ft. by 10ft. or 8 ft. by 20 ft. sections of steel positioned at alternating elevations and consistently spaced to appropriately shake vehicles. The device is typically setup with three sections abutted tightly together to form a continuous track (3 grates form a continuous ...