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If you've been comparing steel building companies online, chances are you've come across both General Steel and Armstrong Steel. They're two of the most recognized names in the pre-engineered metal building industry in the United States — and they come up together in almost every buyer's research process.
But how do their prices actually compare? What are you really paying for, and which one gives you better value for a warehouse, workshop, commercial building, or agricultural structure? This guide walks through everything you need to know, from base kit prices to total installed costs, so you can make a confident decision before requesting a quote. If you are looking for affordable prefabricated steel structure buildings, then you can contact us!
We've done the research so you don't have to. Let's get into it.
Both companies manufacture pre-engineered steel building kits that are shipped directly to your site and assembled on-location. Neither is a local contractor — they are national manufacturers that sell primarily direct-to-consumer or through a network of dealers and contractors.
General Steel has been in business for over two decades and has completed thousands of projects across the country. Their client list reportedly includes major organizations like NASA and Disney, and they're known for having one of the largest contractor networks in the industry. They offer transparent online pricing tools and a wide range of product types, from light-gauge C-channel carports to heavy-duty I-beam commercial structures.
Armstrong Steel, headquartered in Denver, Colorado, has built a strong reputation around quality materials and customer service. The company has been featured in publications like Forbes and Inc. magazine, and their prominent clients include Microsoft and Dow Chemical. Armstrong emphasizes its use of pre-galvanized steel and factory pre-welded clips — details that reduce on-site labor and extend the building's lifespan.
On paper, they look similar. The differences become clear when you start digging into price per square foot, material specifications, warranties, and what happens after the sale.
Here's a high-level comparison of the two brands across the most important cost categories. Keep in mind that steel building pricing is highly variable — the numbers below represent typical ranges based on published data and customer-reported quotes.
| Category | General Steel | Armstrong Steel |
|---|---|---|
| Base building package (per sq ft) | $8 – $40 | $7 – $10 (basic 4-wall gable) |
| Accessories / add-ons | Quoted separately | +15% to 25% of base price |
| Delivery / freight | Region-dependent | +8% to 10% |
| Professional installation (labor) | $3 – $6/sq ft (typical) | ~$10/sq ft (contractor-installed) |
| Turnkey installed cost (avg) | $15 – $43/sq ft | $25 – $30/sq ft (all-in estimate) |
| Structural warranty | Varies by product line | 50 years |
| Roof warranty | Varies | 35 years |
| Paint warranty | Varies | 40 years |
| Online pricing tool | Yes (3-step quote) | Yes (free estimate form) |
| DIY-friendly | Yes | Yes |
One important note: Armstrong Steel itself has stated that pricing a steel building purely by square footage is an oversimplification. A 40×60 building with 12-foot walls and the same footprint building with 18-foot walls are priced very differently — even though the square footage looks identical on paper. The same applies to General Steel. Always request a line-item formal proposal before making any financial decisions.
General Steel's pricing structure is one of the more transparent in the industry. They publish price ranges on their website and offer a three-step online quoting tool where you enter your zip code, building use, and size to receive a personalized estimate. This makes them easy to shop without having to talk to a salesperson first.
Their flagship product is the I-beam rigid frame building, which is engineered for your specific location — factoring in wind loads, snow loads, and seismic activity based on your zip code. This is standard practice across reputable steel building manufacturers, but General Steel makes it a visible part of the ordering process.
They also offer C-channel buildings through their light-gauge division, Discount Steel. These are less expensive and better suited for mild climates or lower-demand uses like simple storage or covered parking. If you're comparing metal building prices across a broad budget range, understanding which product tier you're looking at matters a lot.
General Steel's pricing typically breaks down like this for a standard commercial or industrial project:
Overall, General Steel is a solid choice for buyers who value pricing transparency and want to compare options quickly online before committing to a conversation with a sales rep. Their wide product range also means there's likely a fit for most building types and budget levels.
Armstrong Steel positions itself differently than some competitors. They openly acknowledge that they're not always the cheapest option — and they explain why. The company uses higher-grade paint systems (reflected in their longer warranties), pre-galvanized secondary framing, and factory pre-welded clips that reduce on-site labor errors and alignment issues.
For a basic four-wall gable-style building, Armstrong's base package typically starts around $7 to $10 per square foot. That's just the steel kit. On top of that, you're looking at:
To put that in concrete terms: a 40×60 building (2,400 sq ft) with no interior drywall but a faux brick exterior finish would run approximately $59,000 to $72,000 all-in, depending on your specific configuration and location. That's a real-world estimate — not a stripped-down teaser price.
Armstrong also offers two purchasing paths: a direct-buy program where you work straight with the manufacturer (lower cost, more hands-on involvement from the buyer), and a retail program that provides full-service support from quote to delivery. The retail path costs more but is better suited for buyers who want less project management responsibility.
Price isn't everything when it comes to pre-engineered metal buildings. The gauge of steel used, the type of framing system, and how components are finished at the factory all affect how long your building lasts and how much maintenance it requires over time.
Here's where the two brands differ most notably:
If you're comparing metal building specs carefully, the gauge of steel used in roofing and wall panels is one of the most important details to verify. Some budget-tier manufacturers use 29-gauge panels — thinner, lighter, and less durable. Both General Steel and Armstrong Steel operate in the higher-quality segment of the market, though Armstrong publishes more specific material specs on their website, which makes third-party comparison easier.
One of the most searched questions in this space is simply: "How much does a 40×60 steel building cost?" or "What does a 50×100 metal building run these days?" Below are estimated ranges for common building sizes, combining base kit pricing, accessories, delivery, and installation. These numbers reflect 2026 market conditions.
| Building Size | Sq Footage | Estimated Kit Price | Estimated Turnkey Cost |
|---|---|---|---|
| 30×40 | 1,200 sq ft | $12,000 – $18,000 | $28,000 – $42,000 |
| 40×60 | 2,400 sq ft | $20,000 – $30,000 | $48,000 – $72,000 |
| 50×100 | 5,000 sq ft | $45,000 – $65,000 | $100,000 – $150,000 |
| 60×120 | 7,200 sq ft | $60,000 – $90,000 | $140,000 – $210,000 |
| 80×100 | 8,000 sq ft | $65,000 – $100,000 | $150,000 – $240,000 |
These ranges apply to both General Steel and Armstrong Steel at comparable configurations. The lower end of each range assumes standard specs, minimal accessories, and favorable shipping distance. The upper end reflects custom finishes, higher wall heights, upgraded insulation, and professional contractor installation.
A key pricing principle that applies to both brands: the larger the building, the lower the cost per square foot. An 80×100 kit from Armstrong Steel can go as low as $7 per square foot for the base package, while a small 30×40 building averages closer to $10 per square foot. This economy of scale is consistent across almost every steel building manufacturer.
This is where a lot of buyers get surprised. Whether you go with General Steel, Armstrong Steel, or any other pre-engineered building company, the quoted price is almost never the total project cost. Here's what typically gets added:
Clearing, grading, and leveling your land before the foundation goes in. Costs vary enormously based on soil conditions, slope, and access. Budget $1,000 to $10,000+ depending on your site.
Almost all steel buildings require a concrete slab or pier foundation. This typically adds $4 to $8 per square foot to your total cost. On a 40×60 building, that's an additional $9,600 to $19,200.
Municipal permits vary widely. Simple rural projects might cost a few hundred dollars. Urban areas or complex builds can run $2,000 or more. Both General Steel and Armstrong Steel engineer their buildings to meet local building codes, but the permitting fees themselves are your responsibility.
Neither brand includes MEP (mechanical, electrical, plumbing) work in the base kit. If your building needs power, lighting, climate control, or running water, plan for significant additional spend depending on complexity.
Insulation, drywall, flooring, interior partitions — none of this is included in a standard steel building package. Interior finishing can add $8 to $18 per square foot or more for a fully built-out commercial space.
Armstrong Steel estimates freight at 8% to 10% of the base building cost. For a $30,000 kit, that's $2,400 to $3,000 before a single bolt is turned. General Steel's delivery costs depend on your distance from their distribution network.
Beyond price, how a company treats you during and after the purchase matters — especially for a project that might take 6 to 18 months from order to completed building. Here's what real customers and third-party reviewers consistently report about both brands.
General Steel earns consistently positive reviews for its professional sales process and the reliability of its delivery timelines. Customers frequently praise the company's organized approach and the quality of the finished product. The company's large contractor network is a genuine advantage — buyers can often find a vetted local installer without starting from scratch. General Steel also runs rotating promotions on their website, which can be worth timing your purchase around.
Some reviews mention aggressive sales tactics, which is not uncommon in this industry. A few customers have noted that General Steel sales reps were quick to talk negatively about competitors during the quote process — something that rubbed some buyers the wrong way.
Armstrong Steel consistently receives high marks for customer service and post-sale support. Multiple customers have noted that their project managers remained available and responsive well after the initial purchase — including helping with erection questions a year or more down the line. The company holds an A rating from the Better Business Bureau and has been recognized by Inc. 500 as one of the fastest-growing construction companies in the country.
Not all reviews are positive. A handful of customers have raised concerns about contract clarity and sales pressure. Armstrong Steel's response to these reviews generally focuses on clarifying contractual terms, and the overall volume of positive feedback significantly outweighs the negative.
One recurring theme in buyer comparisons: customers who contacted both brands frequently ended up choosing Armstrong based on a more straightforward, less pressure-driven sales experience. That's anecdotal, but it shows up consistently enough to be worth noting.
There's no universally correct answer here. The better choice depends on your project type, budget, timeline, and how much hands-on involvement you want in the process. Here's a practical breakdown:
Both General Steel and Armstrong Steel are well-established U.S. brands with strong track records — but they're not your only options. If your project is large-scale, industrial, or involves tight budget requirements, sourcing directly from a steel building factory can significantly reduce costs. Factory-direct pricing eliminates the margin that both of these companies build into their kits. For buyers with specific structural requirements, custom dimensions, or bulk orders, working with a manufacturer upstream in the supply chain is worth exploring.
At the base kit level, Armstrong Steel and General Steel are broadly comparable in price per square foot. Armstrong's base package starts at $7 to $10 per square foot for a standard gable building, while General Steel's range starts at $8 and can go to $40 for complex structures. The real cost difference shows up in material specs and long-term value: Armstrong uses heavier-gauge steel and factory galvanization, which reduces maintenance costs over time even if the upfront price is similar or slightly higher.
For a 40×60 building (2,400 square feet), a fully installed turnkey price typically runs between $48,000 and $72,000, depending on wall height, accessories, foundation type, and your location. The base kit alone — without foundation, installation, or custom features — generally runs $20,000 to $30,000 from brands like General Steel or Armstrong Steel.
Neither company includes installation in their standard building package. Both provide detailed erection drawings and support for DIY builders. Both also work with local contractors who can handle installation, though you'll receive a separate quote for labor. Armstrong Steel offers an ongoing support relationship with their project managers that many DIY customers find valuable.
Lead times vary by company, current production capacity, and order complexity. Typically, you can expect 8 to 16 weeks from confirmed order to delivery. Erection time once materials arrive is usually 3 to 7 days for a standard building, depending on crew size and complexity.
The single biggest variable is building size — larger buildings cost less per square foot due to economies of scale. After that, geographic location (labor rates, snow/wind/seismic requirements), wall height, design complexity, and the current spot price of steel all play significant roles. As of early 2026, steel prices have shown signs of softening after years of volatility, which has created somewhat more predictable pricing for buyers planning ahead.
Yes — in many cases, significantly so. Brands like General Steel and Armstrong Steel function as intermediaries between the raw steel mills and the end buyer. Working directly with a steel building factory removes that layer of markup. This approach works best for buyers who know what they want, can manage project logistics, and are purchasing at a scale that makes direct sourcing practical.
Both General Steel and Armstrong Steel are legitimate, reputable companies that have delivered thousands of quality buildings across North America. If you're choosing between them, you're not making a bad decision either way — you're choosing between two different approaches to the same product.
General Steel gives you more pricing transparency upfront and a wider product range. Armstrong Steel gives you more detailed material specs, longer warranties, and a more hands-on post-sale relationship. For most commercial, industrial, or agricultural building projects, Armstrong Steel's build quality and warranty terms represent better long-term value — even if the initial price isn't dramatically different.
That said, the smartest approach to any steel building purchase is the same regardless of brand: get at least three quotes, specify exactly what's included in each one, and don't compare base kit prices to turnkey prices without adjusting for what's included. The difference between a "$10 per square foot" quote and a "$35 per square foot" quote is often just a matter of what's been left out of the first one.
If you're working on a large-scale project or exploring factory-direct pricing options for commercial or industrial steel structures, getting a quote directly from the source is almost always worth the conversation. You can contact us; we are a leading steel structure building manufacturer and supplier in China, and can provide you with the most direct quotes and solutions!
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