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Container Security

How to Secure a Shipping Container in BC

A sea can is already the toughest storage on most BC properties. Almost every break-in happens at one spot — the doors. Here is how to close that gap.

A shipping container door fitted with a steel lock box and puck lock on a rural British Columbia property

Here is the short answer: fit a welded steel lock box over a hardened puck lock, and point the doors somewhere a stranger cannot work on them unseen. That combination handles the overwhelming majority of container theft, and it costs a tiny fraction of what is usually sitting inside. The walls of a shipping container are about 2 mm of corrugated Corten steel, the roof and floor are just as unfriendly, and the hinges are welded to the frame. Nobody is cutting their way through the side of a sea can quietly. They go for the padlock, because on most containers the padlock is the only part that was never designed to resist an attack.

We deliver containers to acreages, ranches, and remote job sites all over British Columbia, and the security conversation comes up most often with contractors who have already lost a compressor or a box of cordless tools off a site. The good news is that container security is unusually cheap to get right — it is hardware and habits, not an alarm subscription.

How container doors actually lock

Understanding the door gear tells you where to spend your money. A standard container has two doors carrying four vertical locking bars — two per door. Each bar has a cam at the top and bottom that rotates into a fixed keeper welded to the frame, so when you swing the handles closed, the doors are pinned into the container at eight points. That mechanism is genuinely strong.

What holds it shut, though, is a single padlock through a hasp on one handle. Defeat that padlock and every one of those eight cams releases in about four seconds. So the entire security problem reduces to one question: how hard is it to reach and cut your lock?

The hardware that actually matters

  • A lock box: a heavy steel shroud welded over the hasp so the lock sits inside a pocket of steel. Bolt cutters and pry bars need something to grab, and a lock box takes that away. This is the single most effective upgrade you can make, and many units either ship with one or can have one welded on.
  • A puck lock (disc lock): a round, hardened lock with the shackle hidden inside the body. There is almost nothing sticking out to cut. A puck lock inside a lock box is the standard setup for a reason — one hides the lock, the other has nothing to hide.
  • A crossbar or bar lock: a bar that clamps across the vertical locking bars so they cannot rotate at all. Useful as a second layer on high-value contents, and highly visible from a distance, which is half the point.
  • Not a hardware-store padlock: a standard open-shackle padlock on a bare hasp is the one configuration that fails fast. If that is what is on your container today, changing it is the highest-value hour you will spend this month.

Lock options compared

SetupHow it protectsBest for
Open-shackle padlockExposed shackle, easy to cut or pryLow-value contents in a fenced, occupied yard
Puck lock aloneShrouded shackle, little to gripHome and farm storage in view of the house
Lock box + puck lockLock enclosed in welded steelThe default for job sites and rural properties
Lock box + puck lock + crossbarLocking bars physically immobilisedTools, machinery, and long unattended stretches

Spend your money on the doors

A thief will not fight the steel — they will fight the lock. Every dollar spent on a lock box, a puck lock, and where the doors face does more for your gear than anything else you can add to a container.

Placement is free security

Before you buy a single piece of hardware, think about where the container sits. Placement costs nothing and it is decided the day the truck arrives, so it is worth getting right the first time.

  1. Face the doors toward you. Point them at the house, the shop, or the site trailer — anywhere with sightlines — rather than at the road or a treeline where someone can work unobserved.
  2. Use the terrain. Backing a container against a bank, a fence, or a building removes approach angles. Two containers set a few feet apart with the doors facing inward create a tidy, hard-to-reach pocket.
  3. Keep the approach lit and open. Trimming the brush around the unit and adding a motion light removes the cover a thief needs. Both are cheaper than a replacement compressor.
  4. Leave room to open the doors. Container doors swing wide, so allow clear space in front — protecting the unit is no good if you cannot get into it. Our BC delivery guide covers the clearances the truck and the doors need.
  5. Set it level on firm ground. A container that has settled or racked will not close squarely, and doors that do not seat properly cannot lock properly. Gravel and level blocking do double duty here — see our maintenance guide.

BC realities: weather, distance, and paperwork

Security in British Columbia has a few local wrinkles. Wet coastal winters and hard Interior cold both punish exposed locks — moisture works into the cylinder and freezes it solid. A shot of graphite or a dry silicone lubricant in the fall keeps a lock working through January; heavy oil tends to collect grit and make things worse. Keep a spare key somewhere other than the site, because a frozen or fouled lock on a remote unit is a wasted trip.

Distance is the other factor. A container on a working site in Kamloops gets looked at daily. One parked on a seasonal job in the Peace or a bush lease outside Prince George may sit untouched for weeks, which is exactly when the extra crossbar and the motion light earn their keep. If a site will be unattended for a whole season, take the highest-value tools home rather than trusting any lock.

Finally, do the paperwork before you need it. Every container carries a unique owner code and serial number — four letters and seven digits — stamped on the doors and repeated inside. Photograph it, photograph the contents, and keep both with your records. That number is what makes a recovered container identifiable, and it is the first thing your insurer will ask for. It is also worth confirming with your broker whether the container and its contents are covered under your existing property or equipment policy; a stored asset is not automatically insured just because it is locked.

Buying a secure container in BC

Container security starts before delivery, with a unit whose doors seal and swing properly and whose hardware has not been beaten up in service. When you are looking at options, check the door gear as carefully as you check the roof. You can see what is on the ground right now in our current inventory, compare configurations across the full product range, or ask about having a lock box welded on as part of our container modification work. Businesses running several units across multiple sites can standardise the hardware through our commercial container program, and if you are still weighing the whole purchase, the complete BC buyer's guide covers sizing, condition, and delivery end to end.

Custom 20ft shipping container site office with two sliding windows and a steel personnel door, built by Valleyview Containers in Kamloops, BC

Custom Solutions

Custom container solutions, built in Kamloops

Custom containers for work and for living: site offices, workshops, farm storage, cold storage, pop-up shops, bunkies and turnkey container homes — designed around your project, built in our own yard and delivered anywhere in BC. Insulated site offices from $14,600 CAD; bunkies and modular homes are quoted per project.

FAQ

Frequently asked questions

About this guide

Can a thief cut through the side of a shipping container?

Not quietly, which is why thieves usually go for the doors instead. The walls are about 2 mm of corrugated Corten steel and the hinges are welded to the frame. The weak point on most containers is the padlock, because it is the one part that was never designed to resist an attack, so spend your security money on the lock and on where the doors face.

How do the locking bars on container doors work?

A standard container has two doors carrying four vertical locking bars, two per door. Each bar has a cam at the top and bottom that rotates into a keeper welded to the frame, so closing the handles pins the doors at eight points. That mechanism is strong, but a single padlock through a hasp on one handle is what holds it shut. If that padlock is cut, every cam can be released, so protecting the lock is what matters.

What is the difference between a puck lock and an ordinary padlock?

A puck lock, also called a disc lock, is a round, hardened lock with its shackle hidden inside the body, so there is almost nothing exposed to cut. An ordinary open-shackle padlock on a bare hasp leaves the shackle out in the open, where it is easy to cut or pry, and it is the setup most easily defeated. If a hardware-store padlock is what is on your container now, replacing it is a worthwhile first step.

Can Valleyview weld a lock box onto my container before delivery?

You can ask for one to be quoted with your container. A lock box is a heavy steel shroud welded over the hasp so the padlock sits in a pocket of steel that bolt cutters and pry bars cannot grip. Some containers already have one, so ask whether the unit you are buying does. If not, welding one on is part of Valleyview’s modification work at its Kamloops yard. For a container you already own, ask whether it can be done.

Container modifications
Is a crossbar lock worth adding to a container?

Yes, when the contents are valuable or the container sits unattended for long stretches. A crossbar, or bar lock, clamps across the vertical locking bars so they cannot rotate at all, which adds a second layer behind the lock box and puck lock. It is also highly visible from a distance, which tells anyone sizing up the container that the doors will not open easily.

Which lock setup should I use for home storage versus a job site?

Match the lock to what is inside and how often someone is around. A puck lock alone suits home and farm storage in view of the house. A welded lock box with a puck lock inside is the default for job sites and rural properties. For tools, machinery and long unattended stretches, add a crossbar on top. An open-shackle padlock only suits low-value contents in a fenced yard where people are around most of the time.

Which way should my container doors face to deter theft?

Toward the house, shop or site trailer, anywhere with sightlines, rather than a road or treeline where someone can work unseen. Placement is set the day the truck arrives, so include the door direction with your site details and confirm it with the driver. The truck backs in on a straight line, so the direction has to suit that approach. Backing the container against a bank, fence or building removes approach angles, as long as the doors can still swing open.

BC delivery guide
Can an uneven site make a container harder to lock?

Yes. A container that has settled or racked will not close squarely, and doors that do not seat properly cannot lock properly. Have a level, firm spot ready before delivery day, such as a compacted gravel pad or level blocks under the four corner castings. Check it again after the ground thaws in spring, and if the doors start to bind or the handles will not close cleanly, look at the level before you blame the lock.

What should I check on the doors when buying a container for secure storage?

Check the door gear as carefully as the roof. Both doors should swing freely, latch firmly and seal against the gaskets all the way round, with no daylight showing when they are shut. The handles, locking bars and hinges should turn without forcing or grinding, and the hasp should not be bent or battered. Ask whether the unit already has a lock box. Valleyview checks doors and seals before sale, so raise any concern about a specific unit before you commit.

See the yard inventory
Is a new container more secure than a used one?

Not by design. A standard new or used container has the same door gear, with four locking bars pinning two doors, and a padlock is what holds either one shut. The difference is wear. A one-trip container has tight door seals and little use on its hardware, while a used container’s doors and locking gear have seen service, so check that they swing, seal and lock cleanly. On either one, the lock box and lock matter more than the age.

Can a business set up the same security hardware across several containers?

Yes. Businesses running several units across more than one site can standardize the hardware through Valleyview’s commercial container program, so each container gets the same lock setup. Tell Valleyview how many units you need, where they are going and the setup you want, such as a welded lock box on each, and it can be quoted along with the containers and delivery. Yard numbers or unit IDs can also be printed on each container to keep track of them.

Commercial containers
Do I need an alarm system to keep a shipping container secure?

Not as a first step. Container security is mostly hardware and habits, not an alarm subscription: match the lock setup to what is inside, point the doors where people can see them, and keep the approach open and lit. If you still want an alarm or camera, add it on top of that, and have anything hard-wired into a power supply done by a licensed electrician.

How should I secure a container that sits unattended for weeks on a remote site?

Layer the hardware and remove the cover a thief needs. On a seasonal job or bush lease where nobody checks the container for weeks at a time, put a crossbar on top of the lock box and puck lock, trim the brush around the unit and add a motion light on the approach. If the site will be empty for a whole season, take the highest-value tools home rather than trusting any lock.

How do I keep a container lock from freezing in a BC winter?

Give the lock a shot of graphite or a dry silicone lubricant in the fall, and skip heavy oil, which collects grit and makes things worse. Wet coastal winters and hard Interior cold both let moisture work into the cylinder and freeze it. Keep a spare key somewhere other than the site, because a frozen or fouled lock on a remote unit means a wasted trip.

What records should I keep in case my container is broken into or stolen?

Photograph the container’s unit number and its contents, and keep the photos with your invoice. The number is an owner code and serial number of four letters and seven digits, stamped on the doors and repeated inside, and it is what makes a recovered container identifiable. Then ask your insurance broker whether the container and its contents are covered under your existing property or equipment policy, because a stored asset is not automatically insured just because it is locked.

Does adding a man door or windows make a container easier to break into?

Each opening is another way in, so check the hardware: Valleyview’s steel personnel door is installed with a commercial lockset, and its sliding windows come with screens and security bars. You choose which wall each opening goes on before anything is cut, so put them where people can see them, such as facing the house or the site, rather than toward a road or treeline. Moving a hole in steel afterwards is a big job.

Sizes & specs

What are the dimensions of a 40ft shipping container?

A 40ft container is 40ft long and 8ft wide outside, and stands 8ft 6in tall in standard height or 9ft 6in as a high cube. Inside, a standard 40ft measures about 39ft 5in long, 7ft 8in wide and 7ft 10in high, for roughly 2,390 cubic feet. A 40ft high cube has the same length and width with about 8ft 10in of interior height, for roughly 2,690 cubic feet.

New & used containers

What does “one-trip” mean on a new container?

One-trip means the container was manufactured overseas, loaded once for a single voyage to North America, then sold. It is structurally new with minimal wear: straight walls, intact paint, tight door seals and a manufacturer’s plate only a year or two old. Valleyview’s new 20ft containers, including the double-door and side-door units, and its new 40ft high cubes are listed as one-trip.

Prices

How much is a used 20ft shipping container?

A used 20ft container is listed at $2,500–$3,000 plus tax and delivery. It’s a cargo-worthy unit: it has been in shipping service, so expect surface rust and dents, but it’s inspected and wind and watertight before it leaves the yard. It gives about 1,170 cubic feet of lockable space for storage where looks don’t matter. Where a unit falls in the range depends on its condition and where it’s sourced.

Buying & paying

Can I cancel a container order or return a container?

If you cancel an order before delivery, cancellation fees may apply. Containers are generally not returnable once delivered, and any return has to be approved in advance and may carry restocking fees and transportation costs. Confirm your size, site access and any local government requirements before you order. If a container arrives with a defect that wasn’t disclosed at the time of sale, contact Valleyview right away to discuss a resolution.

Delivery

Can I pick up a container from the yard myself?

Ask first, because customer pickup isn’t a published option. Valleyview delivers by tilt-deck truck, so call (778) 694-4050 to ask whether collecting the unit you want is possible and what loading it would involve. If delivery suits you better, the delivery quote is free and is priced to the site the container is actually going to.

Preparing your site

Does Valleyview level the ground or supply blocks for a delivery?

For a standard delivery, preparing the site is your part of the job. Valleyview’s terms make the buyer responsible for adequate access and a suitable, level site, and for describing the access, clearance and ground conditions accurately. Valleyview can look at photos of your spot and advise before you order. For turnkey homes and suites, Valleyview sets the build on your foundation, which your engineer designs.

Owning a container

How should I clean a shipping container?

Wash the outside once a year with a simple soap and water solution to remove dirt, salt near the coast and other corrosive grime, and clear leaves and debris off the roof. Inside, sweep the floor and let it dry before you load it. Never dry-sand the floor: the plywood is treated against insects and fungus at the factory, and sanding turns that treatment into airborne dust.

Will mice or rats get into a shipping container?

Not easily, as long as the doors stay closed and the gaskets are in good shape. The walls, roof and doors are steel, and the rubber door gaskets close the gap at the doors. The usual ways in are a door left open, a damaged seal, or something carried in, such as bagged feed, so keep stored goods on shelving or pallets. The floor is plywood on steel cross-members; where rodents are a real concern, ask about closed-cell foam under the floor, which seals the plywood underside.

Permits & bylaws

Do containers on a job site or commercial property need approval?

Check with the local government before delivery, because the answer depends on the zone and how the container is used. On an active construction site, ask whether the container falls under the project’s existing permit or needs its own approval. In a commercial or industrial yard, ask about setbacks, fire access lanes and sightlines. If people will work inside the unit, say so on the call, because that is a different conversation from storage.

Custom builds

Can you modify a container I already own?

Often, yes, but ask Valleyview first, because it depends on the work and the container’s condition. If your unit is rough, it is sometimes cheaper to start from a fresh used container than to rehabilitate the old one, and Valleyview will tell you which makes more sense. Send photos of the container and a description of what you want done so the work can be assessed and quoted.

What happens when I add a “Quote required” option in the Container Studio?

It is listed on your build but kept out of the priced subtotal, and the running total switches to “By quote”. Quote-required options include washrooms, tanks, a water heater, wall and ceiling linings, vinyl flooring, a mini-split and baseboard heat. If your contact details are on file, the design is sent to Valleyview once per visit so the team can price those items in your written quote. Tax, delivery, paint, final finishes and site work are never in the studio figure.

Business & lease-to-own

What happens when a lease-to-own term ends?

The container is yours to keep. Once the final payment is made you own it outright, and there’s nothing to hand back. It can stay where it is. If you later want it somewhere else, call Valleyview to ask whether it can move it and what that would cost. The new spot needs level, firm ground and clear access for the truck, and check the rules for the new spot with the local government first.

Refrigerated containers

What happens to a reefer if the power goes out?

The refrigeration unit only holds your set temperature while it has power. The foam-filled walls help limit temperature swings, but how long the inside stays cold depends on the load, the set point and the weather, so plan for outages before you load product that can’t be allowed to warm up. Temperature monitoring can be added, quoted per design, so you know whether the box held overnight.

Uses

What do people use shipping containers for in BC?

Two broad things: secure, weatherproof storage for household and seasonal overflow, farm and ranch supplies, job-site tools and materials, and business inventory; and builds that turn a container into a site office, workshop, pop-up shop, equipment enclosure, cold storage or crew housing, plus bunkies, garden suites and homes, which Valleyview quotes per design. The use decides the size, whether new or used makes sense, and which modifications, if any, are worth adding.

Still have a question? Call (778) 694-4050 or see the full FAQ.

Need secure storage you can leave unattended?

Tell us what you are storing and where it is going, and we will match you to the right container and the right door hardware.