Quick Answer: For two 40ft containers joined vs building in Ontario, two joined 40ft containers usually win for a small-to-mid shop, and a single steel-frame building wins for a genuinely large clear-span footprint. Joined containers arrive in days, need no foundation, and resell. A steel building gives open span but takes months to erect.
In This Guide
- Is a shipping container cheaper than a steel-frame building of the same footprint?
- Two 40ft containers joined vs one building: the row-by-row comparison
- Which lasts longer in Ontario weather?
- Which is more secure?
- Can you move it later?
- Do you need a permit for either one?
- Which is better for a large shop or warehouse footprint?
- Frequently Asked Questions
Reading Time: 8 minutes
Two 40ft shipping containers parked parallel and joined give you roughly 640 square feet of secure steel space. A single conventional steel-frame building of the same footprint gives you one open room with no posts down the middle. Both are steel and both keep weather out, but they are built for different jobs. The right pick depends on what you store, how soon you need it, and whether the structure ever has to move. We have delivered the container half of this equation across Ontario from our Brantford yard since 1995, so this guide is written from the yard, not from a brochure.
Is a shipping container cheaper than a steel-frame building of the same footprint?
Two joined 40ft containers are usually the lower upfront commitment for a small-to-mid footprint, and a single conventional steel-frame building tends to pull ahead in value once the footprint gets genuinely large. The reason is structure. A container is already a finished, weatherproof, lockable box the day it lands. A steel-frame building arrives as an engineered kit that still needs a poured foundation, a concrete crew, an erection crew, cladding, and a roof before it keeps a single tool dry.
Why the price driver is the foundation, not the steel
A 40ft container sits on railroad ties, concrete blocks, or a gravel pad and is usable the same day it is set down. A steel-frame building of the same footprint needs an engineered slab, anchor bolts, and weeks of trade labour before it is enclosed. That site work is the single biggest cost driver that separates the two. What moves a container quote is far simpler: size, grade (new one-trip versus cargo-worthy versus wind and watertight), delivery distance from Brantford, the season, and the steel market. Tell us the footprint and your postal code and we send back an honest, all-in number, often the same day.
Christian LeBlanc, Van Blanc: “People call asking whether two bins or a built shop is the smarter buy. My honest answer is that it depends on what they need the middle of the room for. If they are storing pallets, machinery, and inventory in rows, two joined 40s do the job and they have it next week. If they want one wide-open bay with nothing in the way, that is a building. I grew up around this trade traveling to Asia with my dad, and the one thing I tell everyone is to buy for the work, not for the picture in your head.”
Christian’s father Paul founded Van Blanc in 1995 after four decades in Asian trade and brings 19 years specifically in the container industry. That history is why the family answer is rarely “always buy the container.” It is “buy the one that fits the work.” For a deeper look at the cargo box itself before you compare it to a building, our guide to the grades and configurations explained for Canadian buyers walks through every option.
Two 40ft containers joined vs one building: the row-by-row comparison
Here is the honest scorecard for two 40ft containers joined against a single conventional steel-frame building of the same footprint. Each row names the winner for a typical Ontario buyer. Neither column sweeps the board, which is exactly the point.
| Factor | Two 40ft Containers Joined | One Steel-Frame Building (same footprint) | Winner |
|---|---|---|---|
| Upfront commitment | Lower for small-to-mid footprints; the box is finished steel on arrival | Higher; the kit price is only the start before slab and trades | Containers |
| Usable open span | Limited; each module stays about 7 feet 8 inches interior wide unless heavy structural steel replaces the shared wall | Full clear span, no posts in the middle | Building |
| Lifespan in Ontario | 25-plus years of Corten weathering steel on land | 40 to 60-plus years with Galvalume-coated panels and upkeep | Building |
| Security | Solid 14-gauge Corten walls, cargo doors, lockbox-ready, no easy entry points | Strong, but doors, windows, and cladding seams are softer targets | Containers |
| Snow and weather resistance | Watertight shell; roof needs clearing in deep-snow years | Engineered to the local snow load (commonly 50 to 60 psf) from day one | Building |
| Foundation and site prep | Often a level gravel pad, ties, or blocks; minimal | Engineered concrete slab with anchors; significant | Containers |
| Setup time | Delivered in 1 to 3 days across most of Ontario, usable the same day | Weeks to months for permits, slab cure, and erection | Containers |
| Portability | Each container can be lifted and re-set on a new pad later | Effectively permanent once built | Containers |
| Resale value | Strong; a used container holds value and finds a buyer fast | Sells with the property, not on its own | Containers |
Read the table by use, not by total
Counting winners is the wrong way to use this. If your work needs one wide bay, the building’s single “open span” win outweighs every container win combined. If your work is secure storage you might re-site in five years, the container’s speed, portability, and resale stack up fast. Decide on the one row that matches your real job, then weigh the rest.
Which lasts longer in Ontario weather?
A single conventional steel-frame building lasts longer on paper. Pre-engineered buildings with Galvalume-coated panels routinely run 40 to 60-plus years with basic upkeep. A shipping container built from Corten weathering steel gives 25-plus years of dependable land-based service, and well-maintained units go longer. Both shrug off an Ontario winter. The building’s edge is the panel coating and the engineered roof pitch that sheds snow on its own.
The container’s edge is that Corten is designed to weather. When the surface oxidizes, it forms a tight, stable layer that slows further corrosion rather than flaking away like ordinary mild steel. Most Canadians call these boxes sea cans or c-cans, and the same alloy that survived years of salt spray at sea is why a sea can holds up parked behind your shop. The honest caveat is the roof: a container roof is rated for roughly 200 kilograms per square metre, so in a heavy-snow year you clear it, the same way you would clear any flat roof.
Which is more secure?
Two joined 40ft containers are the more secure structure out of the box. The walls are solid 14-gauge Corten with no windows to break and a cargo-door system that accepts a lockbox to shield the padlock from bolt cutters. There is simply less to defeat. A steel-frame building can be made very secure, but its doors, man-doors, windows, and cladding seams are softer entry points that a container does not have by default.
This is the reason contractors and equipment owners across Ontario reach for a c-can when tools and machinery are the cargo. If you want that security plus a roll-up door, a man-door, security bars, or interior shelving, those are conversions we build at the Brantford yard. Our overview of the modifications we fabricate before delivery shows what a joined-container shop can become.
Can you move it later?
Two joined 40ft containers can be separated and re-set on a new pad if your plans change; a finished steel-frame building is effectively permanent. This is one of the quiet advantages of buying steel boxes for a footprint you may not keep forever. Each container is a self-contained unit that a tilt-deck or crane can lift and place again at a new site.
One honest note on language: Van Blanc sells and delivers the containers you buy, and we set them on your pad. We do not run a moving or relocation service for a unit already placed on your property. If you decide to re-site a container years down the road, that is a job you arrange with a hauler. When you are first planning the pad, keep it simple and level, and that future option stays open. For the box dimensions that determine pad size and joining layout, our full breakdown of shipping container dimensions has the exact figures.
Do you need a permit for either one?
Permits are handled by your municipality, not by us, and the requirement can differ for a placed container versus a built structure. Check with your local building or planning department before you order so you know what applies on your property. That is the most we will say on the subject, because the rules vary by location and your municipality is the right authority. Our job is straightforward: we get you the right steel, on the right pad, on a real lead time, not a hopeful one.
Which is better for a large shop or warehouse footprint?
For a genuinely large shop or warehouse footprint, a single conventional steel-frame building is the better structure, and we will say so plainly. The advantage is clear span. A building gives you one open room with no posts in the way, so forklifts turn, racking runs unbroken, and a vehicle bay opens end to end. Joined containers cannot match that, because each module holds its roughly 7-foot-8-inch interior width unless you replace the shared side walls with engineered structural steel, and at large scale that added steel and labour erase the container’s head start.
Where joined containers stay the smart call is the small-to-mid secure footprint: a two-bay shop, a parts-and-inventory store, a workshop with a locked tool side, a yard office paired with storage. You get it in days, on a gravel pad, with security a clad building cannot match, and you can resell or re-site it later. If you are weighing a built structure of a different kind, our comparison of a container against a pole barn covers the agricultural side of this same question.
Ready to price the container side of this decision? Tell us the footprint and your postal code and we will send back an honest, all-in number, usually the same day. The fastest answer is a call: describe the job over the phone and we will tell you on the spot.
How buyers across Ontario actually use joined 40ft containers
The same pair of 40ft boxes becomes a different thing depending on the buyer. A Hamilton or Brampton contractor joins two 40s, cuts a roll-up door into one end, and runs a locked tool wall down the shared seam, with machinery on one side and a dry bench on the other. A grower in Norfolk or Brant County parks two wind and watertight 40s parallel for off-season equipment, feed, and a parts cage, on a gravel pad that goes down in an afternoon.
Every kind of Ontario buyer ends up at the same family yard for the same reason: they want to walk the actual steel before they pay, and they want a real person to answer whether two bins or a building is right for them. One honest warning before you buy anywhere: many people call us saying they found a bin for far less on Facebook, then call back two weeks later, scammed. The listing that is cheaper than every real supplier is the one that never arrives. Paul and Christian will give you a straight answer in person, which is why it is worth the drive to Brantford to see the bins yourself.
Frequently Asked Questions
How much interior space do two joined 40ft containers give you?
Two 40ft standard containers placed parallel give roughly 640 square feet of combined interior floor area. Each individual module keeps an interior width of about 7 feet 8 inches. To open that into one wide room, the shared side walls must be replaced with engineered structural steel, since the side walls help carry the load.
Is a steel-frame building always better than joined containers for a shop?
No. A steel-frame building is better when you need a large clear span with no posts in the middle. For a small-to-mid secure footprint, two joined 40ft containers are often the better buy because they arrive in days, need only a gravel pad, hold strong resale value, and can be re-sited later. Match the structure to the job.
Which lasts longer, a shipping container or a steel building?
A pre-engineered steel-frame building with coated panels typically lasts 40 to 60 years or more with upkeep. A Corten-steel shipping container gives 25-plus years of land-based service, and well-kept units last longer. The building has the edge on raw lifespan, while the container needs less site work and far less time to put in service.
Do joined containers need a concrete foundation like a steel building?
Usually not. A pair of joined containers commonly sits on a level gravel pad, railroad ties, or concrete blocks and is usable the same day. A conventional steel-frame building of the same footprint needs an engineered concrete slab with anchor bolts, which is one of the largest cost and time differences between the two.
Can Van Blanc deliver and set two 40ft containers in Ontario?
Yes. Van Blanc delivers shipping containers across Ontario from our Brantford yards, typically in 1 to 3 days, and we set the units you buy on your prepared pad. Tell us the footprint and your postal code for an honest, all-in quote, often the same day. Every quote comes with a real lead time, not a hopeful one.
Are two joined 40ft containers more secure than a built shop?
By default, yes. Joined containers have solid 14-gauge Corten walls, no windows to break, and cargo doors that accept a lockbox to protect the padlock. A built shop can be hardened, but its doors, windows, and cladding seams are softer entry points. For storing tools and machinery, the container is the more secure structure out of the box.
Sources
- International Organization for Standardization. (2013). ISO 1496-1:2013, Series 1 freight containers, specification and testing. iso.org
- International Maritime Organization. (1972, amended). International Convention for Safe Containers (CSC). imo.org
- Government of Ontario. (2012, current). Building Code (O. Reg. 332/12), structural and snow-load provisions. ontario.ca
- Canadian Sheet Steel Building Institute. (2024). Durability and service life of coated steel building products. cssbi.ca
- National Research Council Canada. (2025). National Building Code of Canada, Climatic and Seismic Data (ground snow loads). nrc.canada.ca
Reach Van Blanc in Brantford
We have been supplying shipping containers across Ontario since 1995. Our warehouse is at 90 Morton Avenue E in Brantford, and we deliver right across the province on a cash-on-delivery basis. No surprise fees, no chase-the-paperwork.
Van Blanc Ent. Inc., 90 Morton Ave E Unit 1B, Brantford, ON N3R 7J7, +1 888-509-6658
Whether you land on two joined 40ft containers or decide a building suits the footprint better, come walk the bins in our yard first so you buy with your own eyes.
