30×40 Modern Steel Barndominium

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Durable & Cost-Effective

The 30×40 Modern Steel Barndominium from US Patriot Steel blends residential comfort with the strength of commercial-grade construction. With 30 feet of width and 40 feet of length, it offers enough room for spacious living areas, a workshop, garage, or storage — all under one roof. Its clear-span design allows you to plan your layout freely, without interior support walls getting in the way.

Built from galvanized steel, this barndominium stands strong through every season. It resists rust, fire, and pests and requires minimal maintenance compared to traditional homes. Choose your exterior colors, roof style, and door placements to match your vision. The 30×40 Modern Steel Barndominium delivers a perfect mix of practicality, strength, and comfort — built to last for decades.

Engineered for Strength
Maintenance & Long-Lasting
Fully Customizable
Versatile Applications
Nationwide Delivery & Support

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Color Options:

Copper Metallic
Galvalume
Ivay Green
Fern Green
Colony Green
Saddle Tan
Light Stone
Polar White
Ivory
Rustic Red
Burnished Slate
Cocoa Brown
Charcoal Gray
Crimson Red
Hawaiian Blue
Black
Desert Sand
Gallery Blue
Old Town Gray
Bright White
Ash Gray
Berry

Building Description

The 30x40 Modern Steel Barndominium from US Patriot Steel is designed for people who want the comfort of home combined with the toughness of steel. Measuring 30 feet wide and 40 feet long, it provides an ideal balance of living space and utility. The open-span design makes it easy to create modern interiors with wide rooms, high ceilings, and a seamless transition between home and workspace.

Crafted from galvanized steel, this structure withstands the toughest weather without rusting, rotting, or warping. It’s fire-resistant and pest-proof, offering long-term security and minimal maintenance. The vertical roof design helps rain and snow slide off easily, extending the life of your building while keeping it looking clean.

Your 30x40 Modern Steel Barndominium can be customized in every detail – from color and roof type to door and window placement. Add insulation for comfort or design the layout for both living and work.

Proudly made in the USA, this barndominium reflects US Patriot Steel’s commitment to quality and craftsmanship. The 30x40 Modern Steel Barndominium offers strength, flexibility, and style – a modern living solution built to stand the test of time.

Customer Reviews

Have questions about your ideal custom steel building? Let our experts guide you — plan and build with total confidence!

Contact our steel building team today for free, no-obligation advice.

Call Now: (888) 415-1576

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