Middle Atlantic RIB-5-GRK-42B – 5-Bay Riser Base for GRK 42-Inch Depth

Product Overview

The Middle Atlantic RIB-5-GRK-42B is a 5-bay riser base designed specifically for GRK series rack enclosures with 42-inch depth. The riser base elevates an entire GRK rack row off the floor, creating an underfloor cable management pathway that keeps incoming power and signal cabling organized and off the equipment room floor. This is a structural accessory, not a rack enclosure; it is specified alongside GRK rack bays to complete the installation architecture. The 5-bay configuration supports a row of up to 5 GRK bays simultaneously.

Product Description

The RIB-5-GRK-42B addresses one of the more persistent challenges in equipment room design: managing the cables that enter and exit a rack row at the base. Without a riser base, incoming power conduits, structured cabling, and signal wiring must be routed across the floor to reach the bottom of each rack bay, creating tripping hazards, airflow obstructions, and maintenance difficulties. A riser base elevates the entire rack row, creating a continuous underfloor plenum space through which cables can be routed horizontally before rising vertically into each bay. The 5-bay capacity means a single RIB-5-GRK-42B supports a rack row of up to five GRK enclosures — a standard configuration for medium to large equipment room builds. The 42-inch depth specification matches the GRK series racks it is designed to support; using a riser base that does not match the rack depth will result in overhang or gap at the front or rear of the enclosure. The RIB series is a purpose-built accessory within the Middle Atlantic GRK ecosystem, engineered to match the structural dimensions and attachment points of GRK rack bays. Installers should confirm the number of GRK bays in the rack row and select the appropriate RIB configuration (number of bays). Available through Creation Networks at creationnetworks.net.

Key Features

• 5-Bay Capacity — Supports a GRK rack row of up to five bays on a single riser base.
• 42-Inch Depth — Matches the depth of GRK series 42-inch-depth rack enclosures.
• Underfloor Cable Management — Elevates rack row to create horizontal cable routing pathway beneath the bays.
• GRK Series Compatibility — Engineered attachment points match GRK rack bay dimensions.
• Floor-to-Rack Cable Organization — Eliminates floor-level cable crossings and tripping hazards.
• Structural Accessory — Provides a stable, level base for the entire rack row.

Typical Applications

• GRK rack row installations requiring underfloor cable entry management
• Equipment rooms with raised floor or underfloor cable routing infrastructure
• Large AV and IT equipment room builds with multi-bay GRK rack rows
• Broadcast and production facilities with high cable density at rack base

Technical Specifications

Frequently Asked Questions

What is a riser base for a rack enclosure?

A riser base is a structural platform installed under a rack row that elevates the rack bays off the floor. The space created beneath the racks allows cables to enter horizontally from the side or rear before rising vertically into each bay, eliminating floor-level cable clutter.

Does the RIB-5-GRK-42B work with GRK racks of other depths?

No. The RIB-5-GRK-42B is specifically dimensioned for GRK series racks with 42-inch depth. Using it with a different depth GRK rack will result in a dimensional mismatch.

Can fewer than 5 GRK bays be mounted on the RIB-5-GRK-42B?

Yes. The 5-bay riser base can support fewer than 5 bays if the rack row requires it, though the unused bay positions will remain open at the base.

Where can I purchase the RIB-5-GRK-42B?

Available through Creation Networks at creationnetworks.net.