Two-Unit Mini Storage Building with Hip Roof

Compact Commercial Storage in a 24′ × 20′ Layout

This two-unit mini storage building places two 12′ × 20′ storage spaces side by side, each with its own 9′ × 8′ raised-panel overhead door. The layout provides separate access to both units within a compact commercial building.

A 6′ × 8′ utility room adds another enclosed space with its own exterior entrance. The hip roof, 12-inch overhangs, and Bright White and Scarlet Red exterior give the building a distinctive profile compared with a standard gable-roof storage structure.

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Partially Enclosed Lean-To Barn Specifications

C-137

24′ × 20′ × 10′

480 Sq. Ft.

Two Separate Storage Units

  • Two 12′ × 20′ storage units
  • One 9′ × 8′ raised-panel overhead door per unit
  • Separate exterior access
  • 480 sq. ft. of listed storage space

The side-by-side configuration keeps both storage spaces independently accessible while fitting them into one compact building.

Attached Utility Room

  • 6′ × 8′ enclosed room
  • Separate exterior entry door
  • Attached at the side of the building

The utility room provides a smaller enclosed area separate from the two main storage units.

Hip Roof and Exterior Details

  • Hip roof sloping on all four sides
  • 12-inch overhangs
  • Bright White steel wall panels
  • Scarlet Red roof, trim, and wainscot

The hip roof gives the building a lower, more finished profile than a conventional gable roof. Scarlet Red wainscot carries the roof and trim color around the base of the Bright White walls.

Roof Insulation and Water Management

  • Double-bubble roof insulation
  • Snow guards
  • Seamless rain gutters

Double-bubble insulation is installed beneath the metal roofing. Snow guards help control how accumulated snow and ice release from the roof, while seamless gutters collect runoff along the roof edge.

Building Colors

  • Walls: Bright White
  • Roof: Scarlet Red
  • Trim: Scarlet Red
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Customize This Mini Storage Building

Plan a Storage Layout for Your Property

Two-unit commercial mini storage building shown in the Timberline Buildings 3D design tool

Use Timberline’s 3D Design Tool to explore available colors, doors, and exterior options. You can also contact our team to discuss building dimensions, unit layout, and site requirements.

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September 11, 2026
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Very professional and accommodating from start to finish. The guys worked so hard and were very particular about everything. We couldn't be more happy. Highly recommend!!!! Thank you Timberline for everything!!!
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john gundy
August 12, 2026
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To Whom It May Concern, We recently had a two-car garage built by Timberline Buildings and could not be happier with the experience. From start to finish, the process was exceptional. The pricing was reasonable, and the finished product exceeded our expectations. The crew that arrived on site was efficient, professional, and hardworking. They put in full days and consistently cleaned up thoroughly at the end of each day—something we truly appreciated. We would gladly recommend Timberline Buildings to anyone considering a similar project. Sincerely, Jong Gundy
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Dave Aducci
August 5, 2026
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I could not be happier with my new Timberline pole building. From start to finish the team at Timberline was fantastic to work with. They patiently worked with me on multiple design changes to ensure the building was designed and built exactly how I had envisioned. They coordinated with the building inspector at every stage to be sure my future Bardominium was meeting code requirements. Once the ground thawed the Timberline team promptly got to work, traveling a long distance to the job site and arrived on time every morning. It was completed in just a few days and only 2 additional days needed to insulate the building and pour the concrete slab floor. I hope I get the opportunity to work with this company again on another project, it really was a pleasure.
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Beau Yarmush
July 28, 2026
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I would certainly recommend giving Timberline a call if you’re interested in a new pole building!
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Taylor Young
July 1, 2026
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Bought property with a Timberline pole building already on it and contacted them about making some modifications to fit my needs. The whole team is very accommodating and professional. They truly went above and beyond to make this project happen. The labor crews were impressively fast and efficient. Extremely happy with the final product and how smooth everything went. I will recommend Timberline to everyone.
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Cynthia Gibbs
June 16, 2026
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Timberline was amazing from the beginning to the end! Timberline was unmatched with their attention to detail and craftsmanship of our project. They were receptive to our ideas and adhered to their proposed timeline laid out in our agreement. Each team was professional, conscientious, and focused on their contribution to the final product. We are thrilled with the end result! Thank you Timberline!
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Anne Sobers
June 14, 2026
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I couldn't be happier with choosing Timberline to help rebuild my veterinary clinic! Everyone was lovely to work with. The team that was sent was honest and hard working. They came as promised, even on freezing January days. They were patient and accommodating when working with my family, as well as with the other contractors. The work and building are quality. The building is beautiful! The price was very fair as well. Thank you Dave, Elmer, Jacob and the rest of the work crew, as well as the ladies and men at the office. I'm happy to recommend Timberline Buildings.
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Thomas Spall
June 2, 2026
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These guys were great to work with, from coordination to completion. All the details were handled up front and executed according to plan. 7 workdays from start to completion of the main building, nice job. I highly recommend working with this team.
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