40×100 Workshop Steel Building Kits

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40×100 Workshop Steel Building Kits

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100% Steel

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In-House Pricing

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Why Choose a 40×100 Steel Building?

When considering a new space for your business or personal projects, the versatility and space of a 40×100 steel building are unmatched. Offering an expansive 4,000 square feet, these structures are adaptable to a wide range of uses.

Whether you’re setting up an automotive repair shop, a woodworking studio, or even a small manufacturing unit, the space can be tailored to meet your specific needs. A 40×100 workshop steel building can handle complex setups and heavy machinery, offering plenty of space for storage and operations.

What to Expect
What’s Included
Request Quote

Send us the basic information about your project with our easy Price Your Building form.

Send Quote and Sketch (24 – 72 hours)

After we receive your quote, your (sales representative, agent, engineer, project leader) will reach back out within 24-72 hours with your 7-page quote including preliminary sketch. 

While others drag their feet, we prioritize your time. Requests submitted during business hours often have same day turnaround.

Signing and Deposit

Get ready to seal the deal! As soon as it’s confirmed, we’ll send you a buyer’s package via email. All you have to do is sign the paperwork and make the deposit.

Planning (2-4 weeks to 8-16 weeks based on complexity)

Get your steel building project done faster, with our streamlined process. Our typical timing for stamped drawings is just 2-4 weeks for basic projects. Even complex projects can be completed in 8-16 weeks.

Delivery of Plans

Get your completed drawings delivered right to your door! Once your drawings are finished, you’ll receive digital and hard copies by mail.

Plan Review and Approval *

Our sales associate will confirm the drawings with you and once approved, we’ll schedule materials to arrive in about 4 weeks. 

*For higher complexity jobs or specialty colors, lead times may be longer. But don’t worry, we’ll keep you informed about the delivery date every step of the way.

Payment and Delivery of Materials **

Get ready for on-time delivery with a cashier’s check. No matter how tight the space is, we’ve got you covered with our 53′ trailers or gooseneck options.

**Don’t forget to finish your concrete and gravel before we arrive. Plus, we do ask you to send in job site pictures beforehand.

Construction (1 – 2 weeks) ***

Discover our extensive network of skilled installation contractors throughout the United States. Our locally-based professionals are fully licensed, insured, and experienced in the industry.

***Construction time may vary depending on the complexity of the project.


Experience satisfaction firsthand by accompanying your installer on a walk-through of the completed building. We want to make sure that you are getting the most out of your experience.

I am looking for land but don’t know where to start.

Contact your zoning commission for more information about land zoning in your area.

Do you offer financing?

No, we do not offer financing.

What roof options do you carry?

We offer two options for roofing: 24 ga standing seam or 26 ga screw down, available in galvalume or a painted finish. For enhanced moisture and condensation control, a DripX moisture barrier can be applied from the factory.

Do stamped building drawings come with the package?

Yes, if requested, stamped building plans and foundation plans are included specifically for your county for the majority of the USA.

Can you add insulation to my building?

Yes, insulation in the roof and walls can vary depending on your needs. Common sizes are 6” R19 in the roof and 4” R13 in the walls.

What color insulation do you offer?

Our product lineup includes vinyl-backed insulation in both white and black options.

Can you add interior liner panels to my building?

Yes, we can and you can select the color. Interior liner panels also help protect wall insulation.

Do you offer feasibility studies in my area?

We can connect you with reputable companies that specialize in this service.

Can you help install our building?

We can connect you with skilled installers who can either perform the installation for you or provide remote assistance over the phone.

Can I install the building myself?

Yes, these building kits are bolt-up and come pre-cut. If you need help with installing your building we can provide you with preferred installers.

What size lift is needed to unload the building package?

Typically, you will need a 5k lull with forks, a spreader bar, and lifting straps.

Is there wood in your building package?

No, our buildings are 100% steel.

Can you add overhangs?

Yes, we can add overhangs on your buildings to make them have a residential look. Adding soffit under your overhangs can also prevent birds from building nests.

Large green outdoor metal workshop building


Customizing Your 40×100 Workshop Metal Building

One of the most significant advantages of choosing a 40×100 metal building for your workshop is the freedom it offers in terms of design. With a variety of color options available, you can select a scheme that not only reflects your brand identity but also blends seamlessly with the surrounding environment. 

Roof pitch variations allow you to optimize for climate considerations, whether that’s facilitating rain run-off with a vertical roof or maximizing interior space with a flat roof. Moreover, the addition of doors and windows can be strategically planned to enhance natural light, improve ventilation, and ensure easy access for both personnel and machinery. 

This level of customization ensures that your workshop is not only functional but also a space that inspires productivity and creativity.


The Strength of Steel Frame Construction

Choosing a 40*100 steel building for your workshop isn’t just an investment in space—it’s an investment in durability. Engineered to withstand the rigors of heavy use and harsh weather conditions, these steel structures offer peace of mind through their reliability. 

The inherent strength of steel provides a sturdy foundation that resists wear and tear, ensuring that your workshop remains operational and maintains its value over the long term. This durability is a critical factor in choosing a steel building, as it minimizes the need for frequent repairs and replacements, ultimately saving you money and hassle.

  • Engineered for Durability: Steel’s robust nature ensures your workshop can withstand harsh conditions.
  • Long-term Value: Minimized need for repairs enhances the building’s value over time.
  • Reliability: A steel structure offers a dependable space for your operations, regardless of the external environment.
steel workshop interior shot with tools


40×100 Workshop with Garage Doors

Incorporating large framed openings, such as metal garage doors and windows, into your 40*100 workshop metal building significantly enhances its accessibility. Garage doors, in particular, facilitate the easy movement of large items and machinery into and out of the space, making it ideal for workshops that handle bulky materials or products. 

Windows not only provide natural light, contributing to a more pleasant and energy-efficient workspace but also improve ventilation, creating a healthier environment for workers. The strategic placement of these openings can dramatically impact the functionality of your workshop, making daily operations smoother and more efficient.


Maximizing Space in Your 40*100 Metal Building

Optimizing the 4,000 square feet of your 40*100 metal building is essential for achieving operational efficiency and ensuring that every square foot serves a purpose. Effective layout planning and the incorporation of smart storage solutions are key to creating a workspace that not only meets your current needs but also adapts to future growth. 

Consider the flow of work: from receiving materials to processing and shipping out products. By thoughtfully arranging workstations, storage areas, and equipment, you can minimize unnecessary movement and save time. Additionally, vertical storage solutions can dramatically increase your storage capacity without expanding your footprint, making the most of your available space.

red iron steel building while being built

Choose TruSteel

Start Building Your Dream Workshop Today

Taking the first step towards creating your ideal 40×100 workshop steel building has never been easier. With TruSteel, you benefit from the simplicity and flexibility of our building kits, designed for hassle-free assembly and extensive customization. 

Whether you’re looking to establish a new workshop or expand your existing operations, our team is here to guide you through every step of the process. From selecting the perfect customization options to understanding the best layout for your needs, we ensure that your building project is a success. 

We offer many building types including industrial buildings, agricultural buildings, commercial buildings, and more. Don’t wait to start making your dream workshop a reality—please call us today to learn more about how we can help bring your vision to life.

Aerial view of dense green forest next to road. Site plan with labeled storage buildings and layout design.
Aerial view of industrial complex near highway Industrial site layout plan with warehouse and parking lots.
Aerial view of residential area with trees and houses Industrial site plan with labeled buildings and parking lots.

Testimonials & Reviews

What You Need to Know About Roof Pitch

Selecting the ideal roof pitch for your metal building kit is an important decision that hinges on a few key considerations. If your area is prone to heavy snowfall, opting for a steeper roof pitch can help snow management. However, it’s important to balance this with the cost implications, as a higher pitch can increase the overall price of your building.

A 0.25:12 roof pitch strikes that perfect balance for most customers. This pitch is not only cost-effective but is as efficient in bearing snow weight as a 6:12 pitch. While a higher pitch can aid in shedding snow more quickly, remember that it comes with a higher cost. Our goal is to help you make an informed choice that aligns with both your environmental needs and budget, ensuring your building is both functional and financially feasible.