Barn

X36-20.1-Barn-Collage
Q40-20.1-Barn-Collage
Q35-18.3-Barn-Collage
Q40-14.1-Barn-Collage
A30-14.3-Barn-Collage
S34-15.1-Barn-Collage
S40-16.1-Barn-Collage
A25-13.3-Barn-Collage
A20-13.1-Barn-Collage
X36-20.1-Barn-Collage
Q40-20.1-Barn-Collage
Q35-18.3-Barn-Collage
Q40-14.1-Barn-Collage
A30-14.3-Barn-Collage
S34-15.1-Barn-Collage
S40-16.1-Barn-Collage
A25-13.3-Barn-Collage
A20-13.1-Barn-Collage

Barn

Buy Now Price $
Sale Price $

This building is priced open-ended (no front wall, no back wall, no doors, no accessories).

 

Model

  • model_two
  • model_one
  • model_three
  • model_four

Width and Height

Length

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Looking for a different size? Click the button to get a custom quote or call for more information.

What’s Included

  • FREE State-Stamped Engineered Blueprints
  • FREE Building Design Consultation
  • EASY DIY Construction
  • 50-year warranty*
  • 100% of arch panels pre-cut to fit with prepunched holes and only two sizes of bolts.
  • Comes with: Steel arches, hardware, blueprints & instructions

Design a dependable barn tailored to your property and budget. Whether you’re covering equipment, storing feed, or housing animals, these structures are built for durability and designed to handle the demands of everyday or industrial farm use.


Sales and use tax are not included in price. Buildings are designed using standard keyway foundation and SteelMaster does not provide installation services. All projects are sold as DIY.

*Exclusions apply; see warranty for details.

  • Add-ons: Endwalls, doors & window frames
  • Steel gauge minimum: 22-gauge*
  • Steel grade: Premium 80 grade
  • Corrugation depth: Standard 7.5in
  • Corrosion protection: Galvalume Plus
  • Standard hardware: Grade 2 hex bolts NZF3000 commercial grade coating & serrated hex head locking nuts

*Arches are priced in standard 22-gauge and may not meet your snow and/or wind load requirements. Buildings can be designed in thicker steel to meet higher wind and heavier snow loads. Consult with your building specialist for further details.

  • Minimal upkeep required compared to traditional building methods
  • 80,000 PSI high-strength steel, up to 4× stronger than competing options
  • Rated for snow & wind, including 300 PSF snow loads and 190 MPH winds
  • Backed by a 50-year warranty from the date of purchase
  • Engineered state-stamped blueprints provided for permitting in most jurisdictions
  • DIY design with pre-punched panels and minimal cutting or drilling
  • Clear-span interior with 100% usable floor space

Your barn can be designed to fit your needs. SteelMaster offers add-ons, or you can locally source these building options.

  • Steel-framed openings
  • Steel endwalls
  • Custom endwalls
  • Overhead & canister garage doors
  • Man door/service doors
  • Heavy-duty roof skylights
  • Turbine & louver vents
  • Insulation
  • Window frames

Choose between four models, depending on the look or engineering standards you want. When you work with SteelMaster, you get access to experienced building engineers who are certified in all 50 states to help you select the right Quonset model for you.

  • A Model – Straight side walls with pitched roof
  • S Model – Straight side walls with an arched roof
  • X Model – Angled walls with pitched roof
  • Q Model – Arched walls and arched roof

Quonset Barn FAQs: Your Guide to Choosing the Right Barn

 

What sizes are available for a Quonset barn?

Quonset barns are available in a wide range of sizes to fit different agricultural and storage needs. Smaller barns may start around 20’ wide for basic storage or small livestock setups.

Mid-size options like 25’–35’ wide are common for hay storage, equipment, or mixed use.

Larger barns, including 40’ wide and beyond, are ideal for commercial operations, large equipment, or significant storage capacity. Length can be extended to accommodate your specific space and usage requirements.

 

Can a Quonset barn be used for livestock?

Yes, Quonset barns can be used for livestock when properly designed.

Many customers use them for animals such as horses, cattle, or smaller livestock.

Ventilation and airflow are important considerations to maintain a healthy environment for animals. Open-ended designs or added vents can help regulate temperature inside the Quonset barn. Interior layouts can also be adjusted to create a comfortable and functional space for animals.

 

Can I customize door placement and have multiple doors?

Yes, door placement is customizable based on how you plan to use the barn. The easiest way to add doors is on the endwalls, either by creating your own custom endwall or adding framed openings to a steel endwall to fit your needs.

This allows for straightforward access for equipment, livestock, or storage. Side openings can also be added depending on the building size and structural considerations. For the best layout, it’s recommended to consult with a building specialist to determine what’s achievable for your specific design.

Are Quonset barns suitable for hay or feed storage?

Quonset barns are a popular choice for storing hay and feed. Their open interior design makes it easy to stack and organize both round and square bales.

Proper ventilation is important to help reduce moisture buildup and protect stored materials.

Many customers choose an open-ended design for easier loading and unloading. With the right setup, these barns provide reliable protection from weather exposure.

Is insulation necessary for a barn?

Insulation is not always required for barns, but it can be beneficial depending on how the building is used. For livestock, insulation can help moderate temperature and reduce condensation. For hay or feed storage, proper airflow is often more important than full insulation.

In colder climates, insulation can help prevent extreme temperature swings. The decision typically depends on your location and how you plan to use the space.

Are these barns durable in snow, wind, or heavy rain?

Yes, Quonset barns are engineered to handle a variety of weather conditions.

The curved design helps distribute stress evenly, which can improve performance in snow and wind. Each building is designed based on local requirements, including snow load and wind load ratings.

The steel construction also resists damage from moisture and harsh conditions, making it a reliable option for long-term outdoor use.

 

Can Quonset barns be used as multipurpose buildings?

Yes, many customers use Quonset barns for multiple purposes at the same time. A single structure can be used for livestock, equipment storage, and workspace areas. The open interior makes it easy to divide or adapt the space as needed.

This flexibility is especially useful for farms or properties with changing needs. It allows you to get more value out of one building.

Can I add stalls or interior partitions for animals?

Yes, interior layouts can be customized to include stalls or partitions.

These are added by the customer after the Quonset arches are installed.

This allows you to design the interior based on the type and number of animals you have. Materials for partitions can be sourced locally to fit your preferences.

Can I run electricity and water in a Quonset barn?

Yes, utilities like electricity and water can be added to a Quonset barn. Electrical systems are commonly installed for lighting, equipment, and general use. Water lines can also be run for livestock or cleaning purposes.

These additions are usually completed during or after construction. SteelMaster does not provide electrical or plumbing installation services.

 

Can Quonset barns be used as multipurpose buildings?

Yes, many customers use Quonset barns for multiple purposes at once.

A single structure can be used for livestock, equipment storage, and workspace areas. The open interior makes it easy to divide or adapt the space as needed.

This flexibility is especially useful for farms or properties with changing needs and allows you to get more value out of one building.

 

How long does delivery and setup take?

Delivery timelines can vary depending on production schedules and your location, though some areas can receive their building kits in as little as 30 days. Once delivered, construction is a smooth and relatively quick process, with a team of at least three people being able to assemble and place between 6 – 8 arches a day. Weather and site preparation can also affect the timeline.

Do I need permits to build a Quonset barn?

In most cases, permits are required before installing a barn. Requirements vary based on your local building codes and zoning regulations. It’s important to check with your city or county early in the process. SteelMaster provides state-stamped engineered blueprints to help meet local requirements, making the permit process smoother while ensuring the building is load-compliant and safe.

 

Can I expand or modify the barn later?

Yes, Quonset barns can be expanded by extending the length of the structure.

This makes it easier to increase your storage or usable space over time. Planning for expansion during the initial design process can make future changes simpler.

Modifications like adding insulation or skylights can be done post-purchase as well.

 

Are Quonset barns pest and rodent-resistant?

Steel Quonset barns are more resistant to pests and rodents than traditional wood structures. The solid steel construction limits entry points for animals. However, proper sealing around doors and openings is still important. Keeping the area clean and well-maintained also helps reduce pest issues.

 

Can I store vehicles, tractors, or farm machinery inside?

Yes, Quonset barns are well-suited for storing vehicles and farm equipment. In fact, many customers use them specifically for equipment protection.

The clear-span interior allows for easy movement and flexible storage arrangements. Larger door openings can be added to accommodate tractors and machinery.

This makes loading and unloading more efficient.

 

What maintenance is required for a Quonset barn?

Quonset barns require minimal maintenance compared to traditional buildings. The steel panels are designed to resist rust, weather, and general wear. Routine checks and basic cleaning are usually all that’s needed.

What is the lifespan of a steel Quonset barn?

Steel Quonset barns are built for long-term durability and can last for decades. The Galvalume Plus steel coating helps protect against corrosion and environmental damage. Lifespan can vary depending on climate and maintenance, but these structures are designed to hold up over time. Regular upkeep helps extend their longevity even further, which makes them a strong long-term investment.