Our Heavy Duty Doors
Shop our range of heavy-duty security doors

Easy door installation

Doors manufactured in Australia

Custom door design options

Quality materials & construction
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.

Sentry 200.47
Pre-hung, dual-skin, fully metal-clad industrial personal access door for a secure solution.
- Dual skin
- Certified wind rated
- AS/NZS 1170.2.2011 and AS 4055-2012 compliant
Or

Sentry 200.80
Dual-skin, 3-sided frame, fully metal-clad industrial door.
- Pre-hung
- Pressed metal door frame
- Suits multiple wall types
Or

Sentry 200.BF
Dual-skin, heavy-duty metal-clad container door system.
- Pre-hung for easy installation
- Flush lock fitted
- 4-sided door jamb
Or

Sentry 200.TP
Dual-skin, metal-clad and pre-cast tilt panel door system.
- Region C wind rated
- Dual quad fastening system
- Retro fit door solution
Or

Download Brochures & Specs
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 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
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 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 in an industrial and commercial setting are robust barriers, ensuring security and making a durable first impression.

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.

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

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.

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.
Heavy Duty 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.

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
Get expert advice for your heavy-duty doors
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