Standard Series Simplisteel Kits
Raising the bar for quality, flexibility and ease of assembly.
Standard Series Simplisteel Kits are pre-engineered steel buildings designed to provide a reliable, cost-effective solution for workshops, garages, barns and storage spaces. These kits combine durable materials with a straightforward assembly process, helping you complete your project with confidence.
Made with heavy-duty structural steel, Standard Series Simplisteel Kits are built for long-term performance while remaining flexible enough to fit a wide range of uses. With bolt-together construction and no welding required, they are designed to simplify installation and keep projects moving.
You can pick up your kit at a Mueller location or choose delivery to your jobsite.
Each Kit Includes:
- Bolt-together steel frame
- Cold-formed end walls
- 26-gauge Galvalume roof with 20-year limited warranty
- 26-gauge painted wall panels with 45-year limited paint warranty
- Available colors: Bright White, Saddle Tan, Light Stone, Ash Gray
- Basic trim package
- Anchor bolt plans and erection drawings
- Framed opening centered in one end wall (door not included)
- Big Barn XL includes framed openings on both end walls
Why Choose Standard Series Simplisteel Kits
- Strong, heavy-duty steel construction
- Pre-designed for consistent performance and value
- No welding required for assembly
- Available in multiple sizes to fit your needs
- Flexible for residential, agricultural and light commercial use
Get a Quote Tell us about your project and we will put together pricing for you.
Find a Store Near You Get expert guidance and explore building options and material samples at a Mueller store.