S-Series Storage Buildings · S300 StoreMax
S-Series · S300 StoreMax
Self-Storage · S-Use · Commercial

20' × 100' × 9' Self-Storage Row

The S300 StoreMax is a compact 20' × 100' self-storage building with twenty 10' × 10' units, each served by a dedicated 6' × 7' roll-up door along the 100' side—ideal for commercial, residential, and project-based storage deployments.

20-unit self-storage row Cold-formed steel building Exterior-access roll-up doors
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ForgeFab S300 StoreMax 20x100 self-storage building row of 10x10 units
Intended Use
How the S300 StoreMax Is Typically Used

The S300 StoreMax is designed for self-storage operators, contractors, and owners who need a dense bank of 10' × 10' units in a narrow 20' footprint. It works well as a standalone row on smaller sites or as part of a larger storage complex.

Typical applications include personal storage, light commercial storage, contractor materials, jobsite laydown support, and overflow storage for existing facilities.

Technical Overview
Specs, Unit Layout, and Design Criteria
Basic Building Specs
  • Plan Size: 20' wide × 100' long
  • Eave Height: 9' (typical)
  • Roof Type: Gable (example)
  • Roof Pitch: 1:12–3:12 (per project)
  • Framing: Cold-formed steel building system
  • Use: Self-storage / mini-warehouse
Final roof pitch and framing details are set during engineering based on climate and site requirements.
Unit Layout & Openings
  • (20) 10' × 10' storage units (nominal)
  • (20) 6' × 7' exterior roll-up doors along the 100' side
  • Each unit accessed from the exterior drive aisle
  • Optional lighting, bollards, and door protection per site
Interior partitions and door hardware are coordinated with your storage operator standards and local code requirements.
Loads & Design Criteria
  • Code Basis: IBC 2021 (example)
  • Risk Category: II (typical storage)
  • Occupancy: Storage (S-occupancy, final per AHJ)
  • Exposure Category: B, C, or D based on site
  • Wind, snow, and collateral loads set per project
Sealed engineering is based on the project address, owner criteria, and jurisdictional requirements.
Envelope & Materials
  • Metal roof panels, gauge and profile per project
  • Metal wall panels with color options
  • Trim package suited for self-storage operators
  • Optional insulation, gutters, and downspouts
Panel profiles, colors, and accessories are selected during the quote and submittal process.
Resources
Downloads for This Model

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Ready for the Next Step
Want to Use the S300 StoreMax on Your Site?

Share your site layout, design criteria, and any available civil or architectural plans, and we’ll adapt the S300 StoreMax into a complete, engineered self-storage building package for your project.

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