Our Heavy Duty DoorsHeavy Duty

Our Heavy Duty Doors

Shop our range of heavy-duty security doors


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Doors manufactured in Australia

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Custom door design options

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Explore Heavy Duty Door Solutions

At Larnec, we specialise in providing top-notch heavy-duty door solutions designed to meet the most demanding requirements across various industries. Whether you need robust doors for industrial applications, commercial establishments, or specialised applications, our heavy-duty doors offer exceptional performance, security, and reliability. With a commitment to quality and innovation, Larnec is your trusted partner for dependable heavy-duty door solutions that ensure your premises' safety and peace of mind.

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Why Choose Larnec For Heavy Duty Doors?

Choose Larnec for your heavy-duty door needs because we bring unmatched expertise and quality to every project. Our heavy-duty doors are crafted precisely and built to endure the toughest conditions. 

Our heavy-duty steel doors, known for their robust door leaf and frame, are designed precisely to offer security features like external fixings and key lock hinges for enhanced security. Whether you require industrial-grade security or durability for commercial applications, Larnec offers a comprehensive range of heavy-duty doors that excel in performance and reliability. 

With a commitment to excellence, innovation, and customer satisfaction, Larnec is your trusted partner for dependable heavy-duty door solutions.

Heavy Duty Doors For Different Applications

Our heavy-duty doors are an ideal security solution for various applications, from industrial buildings to commercial spaces. Our heavy-duty doors are engineered to withstand the most demanding conditions, providing security and durability. Trust in Larnec's expertise to deliver heavy-duty doors that ensure safety.

Heavy Duty Doors For Different ApplicationsHeavy Duty Doors For Different Applications
Heavy Duty Security Doors

Heavy Duty Security Doors

Whether you need a security door to protect your assets in an industrial setting or require robust steel doors for commercial use, we offer a versatile range of options.

Heavy Duty Steel Doors

Heavy Duty Steel Doors

A steel door is the epitome of strength and security, offering unmatched protection and durability for a wide range of applications.

Heavy Duty Barn Doors

Heavy Duty Barn Doors

Heavy-duty barn doors are built to withstand the challenges of rural environments while adding a rustic charm to your agricultural or storage structures.

Heavy Duty Entry Doors

Heavy Duty Entry Doors

Heavy-duty entry doors in an industrial and commercial setting are robust barriers, ensuring security and making a durable first impression.

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[Security] Australian Made
Australian Made

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

[Security] Easy Installation
Easy Installation

We prioritise easy installation, providing doors designed for a straightforward and hassle-free setup, saving you time and effort during the installation process.

[Security] Industry-Specific Custom Options
Industry-Specific Custom Options

We offer to tailor our doors to meet various industries' unique needs and requirements, ensuring a perfect fit and functionality for specialised applications.

[Security] Unrivalled Manufacturing Standards
Unrivalled Manufacturing Standards

We uphold unrivalled manufacturing standards, ensuring that every door we produce meets the highest levels of craftsmanship, providing customers with products that stand the test of time.

Door Sizes in 4 Steps


Get advice

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

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Order confirmation

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

manufacturing doors


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

Truck delivery personal access doors


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

Download brochures and specifications for all our doors

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

  • Product Technical Data Sheets
  • Detailed technical drawings
  • Installation guides
Download specifications

Frequently asked questions

Where are heavy-duty doors typically used?

Heavy-duty doors are typically used in various industrial, commercial, and high-security settings. They are commonly found in factories, warehouses, manufacturing facilities, hangars, banks, data centres, military installations, and other locations where security, durability, and reliability are paramount.

What are the advantages of using heavy-duty doors?

There are several advantages to using heavy-duty doors:

  • Enhanced Security: Heavy-duty doors offer superior protection against unauthorised access and intruders.
  • Durability: They are built to withstand harsh environmental conditions, heavy usage, and wear and tear.
  • Longevity: Heavy-duty doors have a longer lifespan than standard doors, reducing maintenance and replacement costs.
  • Sound Insulation: Many heavy-duty doors provide better sound insulation, ideal for noisy environments.
  • Customisation: They can be tailored to meet specific size, design, and security requirements.

Are heavy-duty doors more secure than standard doors?

Yes, heavy-duty doors are generally more secure than standard doors. They are constructed with robust materials like steel, which is highly resistant to forced entry. Heavy-duty doors often feature advanced locking systems and reinforced frames, making them a preferred choice for applications where security is a top priority. 

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