We Manufacture Your Steel Building Kits in the USA & Ship Direct...Worldwide!

Metal Building Kits

What is a Metal Building Kit?

Starting a building project? You’ve come to the right place. At Worldwide Steel, we specialize in helping homeowners and DIYers erect the custom metal building of their dreams, at building prices they can stomach. 

Our high-quality building kits make construction cheaper, faster, easier, and more efficient. Instead of buying all of your materials separately and hiring a contractor, Worldwide Steel Buildings provides everything your building needs, in one convenient package. 

Our do-it-yourself kits can be customized into almost any type of steel structure, from metal garages to small business facilities. If you want examples, our customer gallery showcases the versatility and workmanship of these prefab steel building kits. They’ve built everything from custom barndominium homes to horse riding arenas, from metal carports to commercial buildings. See some of our finished steel buildings in the gallery below or see more examples by building kit type.

Worldwide Steel Buildings manufactures metal and steel building kits right here in the USA, with the DIY builder in mind. 

Prefab metal structures are a cost-effective choice that can save you money on construction costs. Because you’re buying direct from the factory and building it yourself, there’s no middleman to pay. We provide step-by-step instructions, along with pre-punched and pre-welded pieces, so all you have to do is bolt or screw those pieces together. It really is that easy to increase your property value and get the benefit of the metal structure you’ve always wanted.

What Is Included in a Worldwide Steel Building Kit?

Remember when you were a kid, how the words “batteries not included” could ruin your day? We do too. That’s why we’ve made sure to include as much as possible in our prefab, DIY metal building kits. As long as you own a basic toolbox, extension ladder, tin snips, screw gun, and metal cutting blade, you basically have everything you need to assemble one of our building packages. 

Unlike other steel building systems, this means no renting expensive specialized tools, no hiring contractors, no running out to get more unexpected materials, and no reason to slow down while you build the steel structure of your dreams. 

Our metal building kits arrive at your property ready to be assembled. As soon as you offload the truck, you’ll be able to tell that our American-made building materials are of the highest quality. All you’ll need when your steel building kit arrives is a way to unload the steel framing and building materials from the delivery truck and to hoist supports during assembly. 

Download these helpful guides:

How Easy Is It to Assemble a Steel Building Kit?

You might be surprised to learn that you don’t need advanced skills or lots of prior experience to build your own steel building. When we say do-it-yourself, we mean it. Worldwide Steel Buildings designs their metal building kits to be both professional in quality and easy to assemble.

Regardless of building size, our steel building kits truly are DIY. With pre-punched trusses, factory-welded purlin and girt clips, and self-sealed screws to prevent leaks, we have taken all the tough stuff you’d have to hire a contractor for out of the equation. 

Check out the Worldwide Steel Online Assembly Manual before buying your kit to see what we mean. Still not sure if you can really do it yourself? Our metal building kits make it easier than you think. Check out the assembly slideshow below or watch our video for a step-by-step breakdown of how to build a steel building.

Assembly Process:

  • foundation

What Kinds of Steel Building Kits Do We Make?

When it comes to building projects, if you can dream it, we can do it! With all of the steel building components we offer, including custom building dimensions, colors, placement of windows and doors, gable and eave extensions, you can create a building for your specific needs, no matter the square foot size! Each metal building is created with your specs and building codes in mind, and built to withstand harsh weather conditions, climates, and snow loads. Whatever your desired effect or function, ordering a custom DIY metal building kit makes it easy.

Our happy customers have designed and built structures far beyond what might come to mind when you think of steel garage kits. They’re designed steel homes, metal barns, airplane hangars, greenhouses, man caves, garages, workshops, horse arenas, mini storage units, full-size storage buildings, churches, student and recreation centers and more. 

Check out the images below for more information about the most popular types of steel building kits we offer, then start creating your dream building!

Most Popular Building Kits

Industrial Buildings
Residential Homes
Garages & Workshops
Agricultural Buildings

Click here to see our all of our steel building types.

How Custom Are Your Steel Building Kits?

There’s more versatility in our steel building kits than the term “prefab steel buildings” might imply. A lot more. The customization options offered by Worldwide Steel allow you to choose from more than 42 million variations of building designs and custom add-ons that can take your custom steel building to the next level.

You can decide everything from the dimensions, colors, and exterior finish, lofts, or even a covered area outside for your car. Once it’s built you can completely customize it by adding a living space, bathrooms, bedrooms, whatever you want. A Worldwide Steel building is truly a custom design.

Example Layouts for Garage Shops & Man Caves:

custom layout of a steel building kit for a man cave
layout for garage steel building kit

What Kind of Warranty Do You Offer?

The best in the industry! Our steel building kits are built to last, and we aren’t afraid to back that up. We offer a customer satisfaction and limited 50-year warranty on every building we manufacture.

How Do I Get My Own Custom Steel Building Kit?

For more information or to request a quote, call us or fill out this form.

Or design your building first and request a quote using our Online 3D Building Designer:

  • Start by setting the dimensions of your steel building, including width, length, height, roof type and rise!
  • Customize your design by adding color, windows, skylights, doors, cupolas and more!
  • When you’re finished save your design, get a free quote, or share it with your friends!

Text reading "Customize your dream steel building with our 3d building designer. Start building now!" over a blueprint background

Need help with financing? View our financing options.

What Do I Do When My Kit Arrives?

Our steel building kits are designed with ease and safety in mind. That said, they are still comprised of heavy building materials and should be treated with care. Here’s what to keep in mind when your steel building kit arrives:


  • There should be a definite loading and unloading plan. Least-handled material is usually safest-handled.
  • Have equipment on site to unload off a flat bed trailer. Safety should always come first.
  • Your building will come in bundles for easy manageable weights. Handle these building packages carefully.
  • Everyone should keep hands and feet clear and from under material.
tools needed for steel building kit

On job sites, reasonable care should be taken when handling painted surfaces during installation in order to protect the finish. Although the paint coating is high quality and provides impact resistance, dragging the sheets across the surface of one another or other building materials will mar the finish.


These DIY steel building kits come equipped with easy-to-read building instructions and, besides your toolbox basics, all you’ll need are these five tools for assembly:

  • A way to transport the building materials to the construction site and to hoist them into place. If you don’t have a tractor or a skytrack, look into renting one for the weekend.
  • Extension ladder
  • Tin snips
  • Screw gun
  • Metal cutting blade


To preserve and protect the attractive appearance of your roofing and siding from damage caused by moisture, corrosive chemicals or improper handling, it is necessary that you take a few simple precautions. When material is received bundled, sheets should be inspected for shipping damage. If damage is present in any of the building materials, the carrier should be advised and a notation made on the B.O.L. (Bill Of Lading).

Prolonged storage of sheets in bundles is not recommended. If conditions do not permit immediate assembly, extra care must be taken to protect the material from damage caused by moisture.

Store bundled sheets IN A DRY PLACE ONLY. Strapping bands should be broken and sheets should be blocked off the floor with one end slightly elevated. Stacked sheets should then be completely protected from the elements while maintaining good airflow to prevent condensation. A properly draped canvas tarp is an example of a good protective cover. Do not use plastic, as it causes sweating or condensation to occur.

If you are considering a steel building kit for your property or have any questions, speak with one of our building specialists today at (800) 825-0316.

Why Choose Worldwide?

  • Quality

    High quality products throughout the building process.

  • Durability

    Durable materials with a 50 year structure warranty.

  • Experience

    More than 100 years of building experience.

  • Factory Direct Advantage

    Shipped direct from our factory.

  • Strength

    Designed to withstand harsh weather conditions.

  • Ease of Assembly

    Engineered for simple modular assembly.

  • Versatility

    100% usable space clear to the peak.

  • Design

    Designed to meet required loads and codes for your area.

  • Service

    Dedicated support from first phone call to final bolt of assembly.

  • Value

    The longest lasting metal building kits at an affordable price.

Contact Us

Watch a video testimonial by a satisfied Worldwide Steel Buildings customer talking about his new steel building kit.
Use our 3D Building Designer to plan and design your own custom steel building and see what the final product will look like from Worldwide Steel Buildings.
Worldwide Steel Buildings provides a wide variety of custom options for steel building kits to produce the metal building that works best for you.

Download These Helpful Guides


Whether this is your first metal building project or you’re
looking to stretch your expertise with a more involved
custom metal building, Worldwide Steel Buildings is
beside you every step of the way. When you’re ready to
get started, our team of experts is here to answer any
questions you have about our building systems. For now,
if you’re brushing up on your metal building kit
knowledge solo, we provide these helpful guides to help
you get started.

Unlike many other steel building companies, Worldwide Steel operates as more than just a middleman. We’re your building manufacturer, your expert advisor (questions about clear span, job site requirements or local snow load recommendations? We’ve got answers) and your steel building project champions – from idea to completion.

When you need your metal barn, metal garage or other metal building kit to be high quality, cost-effective and fully-customizable, you need to work with Worldwide Steel Buildings.

Curious about Worldwide Steel building costs? Contact us today for a free quote

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