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4-Post FreeSpan™ Shelving

4-Post FreeSpan™ Shelving

Spacesaver’s 4-Post FreeSpan™ Shelving is a durable, clip-style steel system designed to adapt to a wide range of storage needs. Built for real-world flexibility, it features patent-pending clip technology, adjustable shelves, and a broad range of accessories. Use it as a stationary solution or integrate it into a high-density mobile system to significantly increase storage capacity.

What Sets FreeSpan™ Apart

  • Innovative Clip Design
    Patent-pending FreeSpan™ clip with double-rivet attachment for secure, tool-free adjustments
  • Faster Adjustments
    Reposition shelves up to 3X faster than traditional 4-post systems
  • Precise Adjustability
    Shelves adjust in ¾" increments using the same clip
  • Proven Safety
    Meets ANSI MH28.1-2024a standards and tested to a 2X safety factor
  • Versatile Configuration
    Wide range of accessories to tailor the system to your space
  • Heavy-Duty Construction
    Welded uprights with 1" L-posts and 2" T-posts for maximum durability
Why4postfreespan

Uprights Designed for Flexibility

FreeSpan™ Shelving offers multiple upright styles to match your storage goals—from maximizing airflow to securing sensitive materials. Built-in reference notches every 6" make installation and adjustments quick and accurate.

        Open Upright                                                         Closed Upright                                        Case Upright

Shelving Options

FreeSpan™ shelves are backward compatible with existing Spacesaver 4-post systems, making upgrades seamless.

Available configurations:

All shelves feature a straight pull-out design for easy removal and repositioning.

Increase Versatility With 4-Post FreeSpan™ Shelving

Engineered to uphold Spacesaver’s standard for long-lasting, high-performance systems, FreeSpan™ Shelving is built with robust structural components to provide secure, stable storage and display a broader range of materials. Optional components include our FreeSpan™ Shelf Stiffener for increased weight capacity, and FreeSpan™ Shelf Extender – designed to keep items from falling through to the next level of the system.

FreeSpan™ Shelf

Designed for easy removal, just lift up and pull out.

FreeSpan™ Shelf Stiffener

Optional accessory for increased capacity and strength.

FreeSpan™ Shelf Extender

Optional accessory for increased safety and security for stored items.

4-Post FreeSpan™ Dimensions

Upright Height (available in 1.5" increments):Shelving Width*:Shelving Depth:
Open: 23.75” – 121.25”Standard: 15”, 24”, 30”, 36”, 42”, 48”, 54”, 60”, 66”, 72”Standard: 12”, 15”, 16”, 18”, 24”, 30”, 32”, 36”
Closed & Case-Type: 23.75” – 143.75”Custom: 12” – 72” on 1” incrementsCustom: 9” – 36” in 1” increments

*Max Width for Perforated Shelf is 48”

Expand Functionality with Accessories

Featured options include:

Totes Integration

Spacesaver Totes integrate seamlessly with 4-post shelving (15" wide, 18" deep). Available in 3", 6", 9", and 12" heights, they can be rail-mounted or placed directly on shelves, with optional lids and dividers for added organization.

Totesmobile

F.A.Q. s

What makes FreeSpan™ different from traditional 4-post shelving?
Its patent-pending clip system allows fast, tool-free shelf adjustments in ¾" increments while maintaining the strength and configurability of traditional systems.

Do I need tools to adjust shelves?
No. Shelves can be repositioned quickly using the clip system—up to 3X faster than traditional shelving.

Is it compatible with existing systems?
Yes. FreeSpan™ is fully backward compatible with Spacesaver 4-post shelving and integrates with mobile and flexible systems.

What shelf types are available?
Plain, Universal Slotted, and Perforated—all with easy pull-out adjustability.

Does perforated shelving meet NFPA standards?
Yes. Made from 18-gauge steel with 51% perforation (up to 48" wide), it supports airflow and fire suppression requirements.

Get Started

With over 50 years of experience in space optimization, Spacesaver Storage Solutions is ready to help. Request a no-obligation site assessment to see how FreeSpan™ Shelving can transform your space.

Frequently Asked Questions (FAQ) – 4-Post FreeSpan™ Shelving

1. What is 4-Post FreeSpan™ Shelving?

4-Post FreeSpan™ Shelving is Spacesaver's next-generation steel shelving system designed for maximum flexibility, durability, and long-term performance. It features an innovative patent-pending clip system that allows tool-free shelf adjustments in ¾-inch increments, making it ideal for organizations with changing storage requirements.

2. How is FreeSpan™ Shelving different from traditional 4-post shelving?

Unlike traditional systems, FreeSpan™ uses a patent-pending double-rivet clip that allows shelves to be repositioned up to three times faster without tools. The system also provides finer ¾-inch shelf adjustments, improved strength, and compatibility with numerous accessories.

3. What types of organizations use 4-Post FreeSpan™ Shelving?

FreeSpan™ Shelving is commonly used by:

  • Libraries
  • Museums and archives
  • Healthcare facilities
  • Schools and universities
  • Government offices
  • Police departments
  • Military facilities
  • Athletic equipment rooms
  • Manufacturing facilities
  • Warehouses and distribution centers

Its flexibility makes it suitable for nearly any organization requiring organized, adaptable storage.

4. Can shelves be adjusted without tools?

Yes. One of FreeSpan™ Shelving's biggest advantages is completely tool-free shelf adjustment. Staff can quickly reconfigure shelving without dismantling the unit, reducing downtime and labor costs.

5. How much faster are shelf adjustments?

Shelf adjustments can be completed up to three times faster than traditional 4-post shelving thanks to the patented clip system.

6. What shelf configurations are available?

FreeSpan™ offers several shelf styles, including:

  • Plain shelves
  • Universal slotted shelves
  • Perforated shelves
  • Center-stop shelves
  • Double-face shelving
  • Custom configurations

This allows organizations to tailor storage for virtually any application.

7. Can FreeSpan™ Shelving be installed on mobile storage systems?

Yes. FreeSpan™ Shelving integrates seamlessly with Spacesaver high-density mobile storage systems and flexible shelving units, allowing organizations to maximize floor space while maintaining easy access to stored materials.

8. Is FreeSpan™ compatible with existing Spacesaver shelving?

Yes. FreeSpan™ shelves are backward compatible with existing Spacesaver 4-post shelving systems, making upgrades simple without replacing the entire storage system.

9. Does the shelving meet industry safety standards?

Yes. FreeSpan™ Shelving meets ANSI MH28.1-2024a standards and has been tested to a 2X safety factor for dependable long-term performance.

10. What accessories are available?

A wide range of accessories is available, including:

  • Storage drawers
  • Pull-out reference shelves
  • Divider rods
  • Bin dividers
  • File dividers
  • Doors
  • Tote storage
  • Hanging rails
  • Shelf stiffeners
  • Shelf extenders
  • Label holders
  • Weapon storage accessories
  • Aisle identification holders

These accessories allow the shelving to adapt as storage needs evolve.

11. Are perforated shelves available?

Yes. Perforated shelves are available for applications requiring improved airflow, ventilation, or fire suppression compliance. They are manufactured from 18-gauge steel and provide approximately 51% perforation on qualifying sizes.

12. Can FreeSpan™ Shelving grow with our organization?

Absolutely. The modular design allows shelving units to be expanded, reconfigured, or upgraded as your storage requirements change, protecting your investment over time.

13. Is FreeSpan™ suitable for archival or museum collections?

Yes. Museums, archives, libraries, and special collections benefit from the precise adjustability, secure storage options, and extensive accessories that help protect valuable collections while maximizing storage capacity.

14. Can FreeSpan™ Shelving store heavy materials?

Yes. FreeSpan™ is engineered with heavy-duty welded uprights and optional shelf stiffeners to safely support demanding storage applications while maintaining structural integrity.

15. What sizes are available?

FreeSpan™ Shelving is available in numerous standard and custom dimensions, including:

  • Widths from 12" to 72"
  • Depths from 9" to 36"
  • Multiple upright heights
  • Open, closed, and case-type uprights

This flexibility allows the system to fit nearly any room or storage layout.

16. Why purchase 4-Post FreeSpan™ Shelving from Spacesaver Storage Solutions?

Spacesaver Storage Solutions provides complete project support throughout Virginia, including:

  • Professional site assessments
  • Space planning and system design
  • Equipment specification
  • Professional installation
  • Safety inspections
  • Expansion and reconfiguration services
  • Ongoing maintenance and support

Our experienced team helps organizations implement storage systems that improve efficiency, maximize available space, and adapt to future growth.

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