A Guide to Van Slam Locks

If you rely on your van for work, protecting the vehicle and its contents is essential. Tools, equipment, stock and deliveries can all be attractive to thieves, making additional van security a worthwhile consideration.

There are several types of aftermarket van locks available, including slam locks, deadlocks and hook locks. Each operates differently, so the right choice depends on your vehicle, the doors you use and your daily routine.

In this guide, we explain how van slam locks work, their benefits and what to consider when choosing one for your commercial vehicle.

What Is a Van Slam Lock?

A van slam lock is an additional security lock designed to lock the door automatically when it is closed. The secured door is then opened from the outside using the appropriate key.

This automatic operation makes slam locks particularly useful for drivers who open and close their load area frequently. Instead of having to remember to lock the door manually after every stop, the slam lock engages when the door is shut.

Slam locks are available for a wide range of commercial vehicles and may be fitted to side loading doors, rear doors or both, depending on the vehicle and the lock kit.

How Do Van Slam Locks Work?

Many van slam locks work alongside the vehicle’s existing door latch or handle mechanism, using components such as a cable, rod or linkage. The exact design and method of operation depend on the vehicle and manufacturer.

There are two common ways a slam lock may operate:

1. Key and door handle operation: The driver uses the vehicle’s central locking where required, then operates the slam lock with its key and opens the door using the handle.
2. Key-operated door release: Turning the slam lock key releases the door latch, allowing the door to open without using the original handle.

The way the slam lock interacts with the vehicle’s central locking can vary, so always check the product details and instructions for the specific kit.

What Are Slam Handle Locks?

For some vehicles, slam handle kits are also available. These replace the existing door handle with a handle designed to incorporate a slam locking function.

Availability and design vary according to the van make, model, year and door position. Check the product application carefully to ensure the kit is suitable for your vehicle.

What Are the Benefits of Van Slam Locks?

The main advantage of a slam lock is its automatic locking action. When a correctly fitted slamlocked door closes, the lock engages without the driver having to turn a key to lock it.

Benefits include:

• Convenient security: The door locks automatically when closed.
• Useful for frequent stops: Ideal for drivers who regularly access their load area.
• Less reliance on a locking routine: There is no need to remember to manually lock the slamlocked door after every stop.
• Vehicle-specific options: Kits are available for a variety of commercial vans and door positions.
• Additional protection: A slam lock adds another layer of security to the selected door.

A slam lock helps secure the door it is fitted to, but it should be considered as part of your wider van security setup. Other doors and vulnerable areas may require their own protection.

Who Are Slam Locks Suitable For?

Van slam locks are a popular choice for:

• Couriers and parcel delivery drivers making frequent stops.
• Multi-drop drivers who regularly open and close their load area.
• Tradespeople who move between their van and a property or worksite.
• Fleet operators who want automatic locking on frequently used doors.
• Businesses carrying stock or equipment in their commercial vehicles.

If you open your van several times throughout the day, a slam lock can make it easier to keep the door secured between stops.

Can You Lock Yourself Out With a Slam Lock?

Yes. Because the slam lock is designed to lock when the door closes, you could lock yourself out if the key is left inside the van.

Always keep your slam lock key with you before closing the door.

If more than one person uses the vehicle, make sure every driver understands how the lock operates. It is also sensible to keep a spare key in a secure and accessible location outside the van.

Slam Locks vs Deadlocks and Hook Locks

A slam lock, deadlock and hook lock all provide additional van security, but they operate differently.

A slam lock can be convenient during a busy working day, while a manually operated hook lock or deadlock may be preferable for drivers who want more control over when the door is locked. Your choice will depend on the van and how you use it.

How to Choose the Right Van Slam Lock

Slam locks are generally vehicle-specific, so it is important to choose the correct kit before ordering.

Check the following details:

• Vehicle make and model
• Vehicle year or model generation
• Door position: side loading door or rear doors
• Door configuration: for example, single or twin side doors
• Existing security products that may affect compatibility
• The manufacturer’s product application and fitting information

Vehicle designs can change between model years, even when the model name stays the same. If you are unsure which slam lock is suitable, contact our team and we can help you identify the correct product.

Can You Fit a Van Slam Lock Yourself?

Some slam locks can be fitted by a competent DIY installer with the appropriate tools and experience. Fitting methods vary by vehicle and kit, and installation may involve removing door trim, working on the door mechanism and drilling the bodywork.

Always follow the manufacturer’s instructions supplied with your lock. If you are not confident carrying out the work, we recommend using an experienced vehicle security installer.

Garrison Locks supplies van security products for DIY fitting or installation by your chosen installer. We are no longer offering an installation service.

Where Can I Buy a Van Slam Lock?

At Garrison Locks, we supply a range of van slam locks, hook locks, deadlocks and aftermarket vehicle security products for popular commercial vans.

Whether you need a slam lock for a frequently used load door or are considering a wider van security upgrade, our team can help you find the right products for your vehicle.

Shop Van Locks & Security Products

For help choosing a suitable slam lock, call us on 01858 464 133 or email enquiries@garrisonlocks.co.uk.