3 Bay Riser Base for 42 Inch Deep for GRK Racks
3-bay riser base for 42 in (106.7 cm) deep GRK racks, providing a practical solution for roughing-in rack installations
The RIB-3-GRK-42B is a 3-bay riser base specifically designed for use with the Middle Atlantic GRK series racks. With a 42 in (106.7 cm) depth, this component is part of a larger system used to simplify the rough-in process for rack installations. The base is constructed with heavy-duty welded steel and features a black powder coat finish for durability. This specific SKU is a component of a three-part system; to complete the assembly, you must also source the 2-1/2” high riser bases, riser V-feet, and support angles separately. This base design allows cables to pass through the space underneath the rack, aiding in cable management and airflow. For raised floor environments, you can use the VFEET-3-12 riser feet to elevate the base to the necessary height.
Specifications are supplied by the manufacturer. For complete details, check the Resources section.Key features
Specifications
| Depth | 42 in (106.7 cm) |
| Shipping Weight | 43.42 lbs (19.7 kg) |
| Base Series | GRK |
| Component Type | Riser Base |
| Number of Bays | 3 |
| UPC | 656747122767 |
Resources
You'll need these with it
Questions about this part
What is included in the RIB-3-GRK-42B base assembly?
This is a single component of a three-part system. You will need to purchase the riser V-feet and support angles separately to complete the installation.
How do I adapt this for a raised floor installation?
You can use the VFEET-3-12 3-bay riser feet to raise the base to match the height of a raised floor.
Is this base compatible with all GRK racks?
This specific SKU is configured for 3-bay GRK racks with a depth of 42 in (106.7 cm).
Can I use support angles with this riser base?
Yes, the GANGLE-3-42 raised floor support angles are designed for use with this series.
Is this product TAA compliant?
Yes, the RIB-3-GRK-42B is TAA compliant.

