This 4-post single entry adder shelving unit is designed to extend an existing shelving run, giving storage planners a straightforward way to grow capacity without starting from scratch. At 36'' W x 18'' D x 76.25'' H with 5 openings, it fits neatly alongside a compatible starter unit to create a continuous, organized storage bay. The open 4-post frame keeps contents visible and accessible, making it a practical choice for offices, archives, stockrooms, and facilities that need reliable vertical storage in a compact footprint.

Because this is an adder unit, it shares a common upright with the adjacent starter section, reducing the total number of posts needed and keeping the overall footprint efficient. The result is a clean, scalable shelving configuration that grows with your storage needs.

Single entry adder units are the building blocks of multi-section shelving rows. This unit connects to a starter section on one side, allowing you to build out a longer run bay by bay. The 18'' depth keeps shelved items within easy reach, while the 76.25'' height makes full use of vertical space. With 5 openings per section, you have flexibility to configure shelf spacing to suit binders, boxes, bins, or other stored materials. At 130 lbs, the unit is substantial and built for long-term use in demanding environments. USA manufacture supports consistent quality and availability through a domestic supply chain.

Key Features:

• Single Entry Adder Configuration: Designed to attach to a compatible starter unit, sharing an upright to extend your shelving row efficiently and reduce hardware redundancy.
• 5 Openings: Provides five shelf bays per section, giving you flexible vertical storage layout options for a variety of item types and sizes.
• 36'' W x 18'' D x 76.25'' H Footprint: A compact 18'' depth keeps stored items accessible while the full 76.25'' height maximizes use of vertical space.
• USA Manufactured: Built domestically for consistent construction quality and reliable sourcing.
• Limited Lifetime Warranty: Covered by a limited lifetime warranty for the original purchaser when installed by a Certified Installer, with qualifying replacement parts supplied for the product life.

This 4-post single entry adder shelving unit is a dependable choice for building out organized, scalable storage rows in offices, archives, warehouses, and institutional facilities. Review your starter unit compatibility and shelf load requirements before finalizing your configuration.