Larnec

Steel personal access doors

Pre-hung steel door and jamb sets for all wall types

Get the right solution

Talk to an expert for free >

Download brochures and specifications >

Easy installation

Adaptable and specific

Manufactured in Australia

Australian-made excellence

Custom Options

Flawless quality, guaranteed

High quality materials and construction

Efficiency beyond expectations

Sentry logo

Our steel door designs

If security is your priority, our Sentry™ steel skin doors are your ideal solution. 

We offer several design variations of steel personal access doors, all prefabricated and pre-hung for easy installation. Explore our range, and you’ll find solid-core and steel-clad personal access doors, single and dual-skin, and RHS and SHS variations. 

You can download spec sheets for each design, but please feel free to get in touch with our specialists to discuss specs and shortlist the best options.

Sentry 650.37

Most popular

Sentry 650.37

Or

Sentry 200.47

Sentry 200.47

Pre-hung, dual-skin, fully metal-clad industrial personal access door for a secure solution.

Or

Sentry 200.80 Internal Door with Door Closer

Sentry 200.80

Dual-skin, 3-sided frame, fully metal-clad industrial door.

Or

Sentry 200.BF

Sentry 200.BF

Dual-skin, heavy-duty metal-clad container door system.

Or

Sentry 650.37-3S

Sentry 650.37-3S

Or

TDS sample preview

Download brochures and specifications for all our doors

Upgrade your steel door to suit your site

While we’ve designed our steel personal access doors to offer unrivalled security and reliability, the designs you see are only the beginning.

Modify your chosen steel access door design with your selection of hardware and accessories to fortify its safety and security capabilities.

We’ll gladly manufacture a custom build for you if our designs still don’t fit your specs. Discuss your specs with our design specialists, and we’ll fabricate a stainless steel access door that will fit your needs perfectly.

Once your order is ready, we’ll deliver it anywhere in Australia.

Person icon

Get free advice for your doors

Talk to our expert team for advice on your doors.

Phone icon

Let us call you back

Leave your details and we will get back to you soon.

Easy installation
Adaptable and specific

Between our upgradable hardware and custom designs, our clients are always satisfied.

Manufactured in Australia
Australian Made

Larnec takes pride in being Australian-made, ensuring superior quality and craftsmanship while supporting local manufacturing and industry.

High quality materials and construction
Efficiency beyond expectations

Our manufacturing lead times lead the door manufacturing industry. We’ll gladly work to your project schedule.

Custom Options
Flawless quality, guaranteed

Our doors are designed to meet all state and national regulatory requirements and exceed your industry’s standards.

Steel Skin Door in 4 Steps

1

Get free advice

Talk to our team about your business needs, and we’ll recommend the right door solutions.

2

Order confirmation

We organise the contracts for your order and schedule your doors for production.

3

Manufacturing

We manufacture your doors in our Australian facilities using the Toyota Production System.

4

Delivery

Our national network will deliver to site, store, or consolidation centres nationwide.

TDS sample preview

Download brochures and specifications for all our doors

Get all the details you need to specify Larnec for your next project.

Frequently asked questions

What is steel-skin?

Steel-skin refers to Larnec doors that feature a steel outer skin, providing increased durability, impact resistance, and long-term performance compared to lightweight or timber-clad doors.

Why choose a steel-skin door?

Steel-skin doors are ideal for sheds, commercial and industrial environments and more, where strength, security, and resistance to where are important.

Are steel-skin doors suitable for harsh environments?

Yes. Steel-skin construction performs well in dusty, wet, and high-use environments, making it well suited to sheds, workshops, and industrial buildings.

Do steel-skin doors resist warping or twisting?

The steel skin, combined with reinforced internal construction, helps to prevent warping, twisting, and movement overtime.

Can steel-skin doors be used for security applications?

Yes. steel-skin doors provide a solid base for higher-security hardware such as deadlocks, multi-point locking, and door closers.

Are steel-skin doors pre-hung?

Yes. Larnec’s steel-skin doors are supplied pre-hung in their frames, ensuring correct fit, alignment, and faster installation on site.

Where are steel-skin doors manufactured?

All steel-skin doors are manufactured in Australia at Larnec facilities.

Get a free expert advice

Tell us a bit of information about your project.

Optional. Max file size 10MB.
Akura logo
Entegra logo
Vaughan logo
Bison Constructions
Central logo
Sentry 650.37 main
Australian Made Logo

Most popular

Sentry 650.37

Single-skin, metal-clad shed and garage personal access door.

Ideal for all types of sheds and garages

This single-skin, metal clad door is the perfect personal access shed door. With its steel facing, multi-fold profile and steel door jamb, the 650.37 metal shed door is quick and easy to install with no drilling on site required.

Our Sentry 650.37 personal access door for sheds and garages is durable, built to last and wind rated certified, making it the market leader in the shed and garage industry. Available in the complete Classic & Contemporary ranges of COLORBOND steel colours, with standard door size of 2040mm x 820mm, with 920mm and 1100mm available.

Applications

Image Gallery

product placeholder gallery
Sentry 650.37 3 Sided
Sentry 650.37 3 Sided 1
Sentry 650.37 3 Sided 2
Sentry 650.37 3 Sided 3
Sentry 200.47 Main
Australian Made Logo

Sentry 200.47

Pre-hung, dual-skin, fully metal-clad industrial personal access door for a secure solution.

Australia’s leading cyclone-rated industrial door

When it comes to the Sentry™ 200.47, you’ll be hard pressed to find a competing product that matches the specification and quality of this high-security PA door. Our fully metal clad personal access door can be used for sheds and garages that need a durable, reliable PA door for increased security.

Available in the complete Classic & Contemporary ranges of COLORBOND steel colours, with a standard door size of 2040mm x 820mm, with 920mm and 1100mm available. We can also manufacture inwards opening doors when external clearance is tight and your structure need another solution.

Applications

Image Gallery

Sentry 200.47 Food Processing Plant
Sentry 200.80 Internal Door with Door Closer
Australian Made Logo

Sentry 200.80

Dual-skin, 3-sided frame, fully metal-clad industrial door.

A versatile, heavy-duty door solution for industrial settings

Our 3 sided frame, fully metal-clad door is the perfect personal access (PA) door for the industrial/commercial sector. This industrial door can be used within brickwork, steel and timber stud and concrete panel structures.

On request, we can accessories this door with perimeter door seals and threshold plates to effectively contain issues with weather and dust penetration. The low profile ensures accessibility for people with disabilities.

Available in the complete Classic & Contemporary ranges of COLORBOND steel colours, with a standard door size of 2040mm x 820mm, with 920mm and 1100mm available. Custom sizing is available.

Applications

Image Gallery

Sentry 200.80 Internal Door with Door Closer 1
Sentry 200.80 Custom Door with Air Relief Grilles Toilet Block
Sentry 200.BF Portable Toilet Block Woodland Grey
Australian Made Logo

Sentry 200.BF

Dual-skin, heavy-duty metal-clad container door system.

An excellent access solution for upcycled shipping containers

The Sentry™ 200.BF is a fit for purpose PA door manufactured for fast and easy installation to meet the needs of installers when modifying shipping containers for industrial and commercial use, which is what makes it our most popular product in the shipping container range. 

Our Box Frame design has been engineered to protect the door jamb from distortion during the welding process or can be screw fixed to the container according to your installation needs. With a medium density polystyrene core, this pre-hung door can be fully customised with options such as viewing panels and air relief grilles and be immediately installed.

Available in the complete Classic & Contemporary ranges of COLORBOND steel colours, with standard door size of 2040mm(h) x 820mm(w), with 920mm(w) and 1100mm(w) available as standard, and high sizes or custom sizing available.

Applications

Image Gallery

Sentry 200.BF Portable Toilet Block
Sentry 200.BF Portable Toilet Block 1
Sentry 200.BF Portable Toilet Block 2
Sentry 200.BF Larnec Container
Sentry 200.BF Larnec Container 1
product image 650.37-3 sided
Australian Made Logo

Sentry 650.37-3S

3-sided metal-clad shed and garage personal access door.

Perfect 3-sided shed and garage door

This 3-sided, single-skin, metal clad door is the ideal shed door for personal access. With its steel facing, multi-fold profile and steel door jamb, the 650.37-3S metal shed door is quick and easy to install with no drilling on site required.

Our Sentry 650.37-3S personal access door for sheds and garages is durable, built to last and wind rated certified, making it the market leader in the shed and garage industry. Available in the complete Classic & Contemporary ranges of COLORBOND steel colours, with standard door size of 2040mm x 820mm, with 920mm and 1100mm available.

Applications