Product Overview

The Middle Atlantic RIB-3-GRK-42B is a 3-bay riser base for GRK series racks at 42-inch depth. It elevates the rack assembly to an ergonomic working height or provides structural clearance for cable management and floor penetrations beneath the rack in professional AV installations.

Product Description

Riser bases are a critical component in furniture-grade rack system design, providing both functional height adjustment and aesthetic consistency across multi-bay rack configurations. The RIB-3-GRK-42B is engineered specifically for 3-bay GRK rack configurations at 42-inch depth, maintaining the structural integrity of the rack system while providing the riser height required for cable access, floor management, or ergonomic positioning. It integrates directly with the GRK series without field modification.

Key Features

• 3-bay riser base for GRK series racks
• 42-inch depth compatibility
• Provides elevation for cable management and floor access
• Engineered for structural integrity under load
• Integrates directly with GRK rack system
• Consistent GRK series finish and aesthetics

Typical Applications

• Broadcast and production facility multi-bay GRK rack systems
• Corporate AV equipment room rack installations
• Education campus control room furniture systems
• Government operations center rack configurations
• House of worship large-format AV rack systems

Technical Specifications

Frequently Asked Questions

What is the riser height of the RIB-3-GRK-42B?Refer to Middle Atlantic’s GRK accessory specifications for exact riser height. Contact for detailed dimensional drawings.Can I use the RIB-3-GRK-42B with fewer than 3 bays?This riser base is configured for 3-bay GRK assemblies. Single and 2-bay riser bases are available separately.Where do I order the RIB-3-GRK-42B?Available through .