Middle Atlantic Rib Riser Base 2Bay 36Dp WmrkEngineered for fast track installations in professional AV, broadcast, and data center environments, the Middle Atlantic RIB Riser Base 2Bay 36Dp Wmrk delivers a practical, time saving solution for rough in work. Standing 2 1 2 inches tall, this riser base elevates critical cabling and infrastructure to the optimal height, creating immediate floor clearance for wiring, equipment placement, and service access before racks and enclosures arrive on site.