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Configure Your ADU Cottage Home Kit

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One Bedroom ADU Cottage Home Kits

This 448 sq foot ADU kit comes in SIPs and Cold-Formed Steel. This kit builds quickly with either material. See all Cold Formed Steel Home Kits.

This little ADU can built in almost any location that allows ADU, it is designed to get under some cities 500 sq foot regulations.

Shipping

We ship to all U.S. states except Alaska and Hawaii.

Kit Warranty

Our barndominium kits include materials from multiple suppliers, and all warranties are passed directly to you.

  • Cold-Formed Steel – Sourced from trusted U.S. suppliers, stronger than wood, quicker to build.
  • Metal Siding & Roofing – Most come with 30–40 year warranties, depending on the color and coating style. We primarily use Sherwin Williams-coated coils, backed by their extensive metal coating warranty.
  • Windows – Vinyl windows in our kits come with a lifetime warranty for the original homeowner.
  • Additional Materials – We’ve partnered with The Home Depot to supply essential materials. Warranties on these items are valid nationwide.

Metal Siding and Roofing:

  • Roof & Walls: 26-gauge PBR panels. (40 Year Warranty)
  • Trim & Features:
    • Rake, eave, jamb, and corner trim included.
    • Peak boxes and rake end caps included.
  • Fasteners: Colored Tek and Lap Tek screws are included for all panels.

Cold-Formed Steel Kits for the ADU Cottage

Built for Strength. Designed for Simplicity.
Our cold-formed steel ADU kits deliver durability, efficiency, and fast assembly—perfect for building a high-performance home without the hassle.

What’s Included in the Cold-Formed Steel Kit:

  • Interior and Exterior Framing:
    • Pre-built steel panels manufactured in Dallas and shipped to your site, ready for quick assembly.
  • Roof Trusses:
    • Steel roof trusses engineered for strength and shipped ready to install.
  • Structural Supports:
    • Includes all required strappings for added stability.
  • Exterior Sheathing:
    • ZipSystems R3 Wall Sheathing—strong, weather-resistant panels for better insulation and protection.
    • ZipSystems Roof Decking
  • Siding and Roofing:
    • 26-gauge metal siding and roofing for long-lasting durability and weather resistance.
    • 26-gauge metal roofing with 40-year warranty
  • Windows and Exterior Doors:
    • High-quality windows and exterior doors included for a complete shell.

What’s Not Included:

  • Foundation & Septic: Slab and septic systems are not included—you’ll handle these locally based on site requirements.
  • Garage Doors: Not part of the base kit but can be added if needed.
  • Wood Porches: You can add the wood option.
  • Anything not listed in “included” section

ADU Cottage SIPs Kit

The ADU Cottage SIPs Kit is designed for efficiency, durability, and ease of assembly. It includes pre-cut, ready-to-assemble insulated wall and roof panels that speed up construction while delivering superior energy performance. High-quality windows and exterior doors are provided to create a tight, energy-efficient seal, and pre-cut interior framing simplifies assembly and reduces labor costs.

For exterior durability, the kit features 26-gauge PBR panels for both siding and roofing, built to last.

Energy Efficiency:

  • SIP construction provides superior insulation, cutting heating and cooling costs.
  • Allows for smaller, more affordable HVAC systems without sacrificing comfort.
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