Security Doors

For those looking to beef up their home or office security, a security door is a wise investment. Security doors are used in commercial and government buildings, as well as some residential settings to prevent multiple threats: burglaries, home invasions, door breaches, ram-raiding, and more.

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Because these special strongroom doors are typically made from thick, fire-resistant materials and have complex locking mechanisms, they’re considered a necessity for banks and other establishments.

Here at Buy A Safe, we stock a range of security doors from CMI, one of Australia’s leading brands when it comes to commercial-grade safes and vaults. We will be updating our selection soon to include other popular brands, as well.

Strong Room Doors and Frames – The Mother of all Doors!

Not only should we protect our homes from natural elements like fire or from shrewd criminals - but we should also consider protecting our businesses. The most effective and reliable way to protect our work and the people that work in there is to install the mother of all doors…Commercial Grade Strongroom Doors & Frames! They are fire, force, drill and explosive resistant – nothing is getting through these doors and frames! Imagine feeling completely at ease knowing that your staff, property and business are safe. Leaving you to do what you do best without having to worry in the event of an emergency or giving you peace of mind knowing your property is not vulnerable to criminals – especially over the holiday season!

Buy-A-Safe’s most popular strong room door and the frame is the CD2 - Strongroom door Commercial Grade (EDF) with combination and key Lock.

DOOR: Total Security door thickness of 100mm and, overall the vital lock areas, the heavy steel front section is supported by drill-resistant hardened plate. Fitted to the rear of the door is a fire pan, with an approved high fire resistance compound. Doors can be made to fit any sized wall opening and can be ordered as left hand or right hand hinging.

LOCKING: The locking is provided by a high quality 1,000,000 change Combination lock and a 6 lever pick resistant Keylock. Also comes with 2 automatic relockers, adjustable heavy-duty hinges with hardened pins on a ball bearing axis.

FRAME: The heavy steel frame is 125mm x 125mm x 6mm, with a threshold plate on the bottom (125mm x 18mm). The bolt work consists of 25mm diameter heavy, high-grade steel bolts locking into the special locking chambers at the rear and front of the door.

FIRE RESISTING: Fire pan fitted to the rear door with approved high fire-resisting compound. Fire resisting for 1 hour!

  • Internal release mechanism standard. • Door may be ordered with either left or right hand hinging.
  • The door can be manufactured to suit any size wall opening.
  • Digital combination, duress and time delay locks may be fitted as an optional extra.

CLEAR DOOR OPENINGS: 1950mm x 710mm


WEIGHT: 305kg

FAQs: Why Choose Buy A Safe for Security Doors?

1. Why buy a security door?

Security doors offer protection against burglary, home invasion, forced entry, and other threats.

2. Where are security doors used?

They are used in commercial buildings, government buildings, and some residential settings.

3. Why are strongroom doors special?

Made from thick, fire-resistant materials with complex locks, they provide high security for valuables.

4. Why choose Buy A Safe for security doors?

Buy A Safe stocks CMI brand security doors, a leading Australian brand for commercial-grade safes.

5. What are the benefits of Buy A Safe’s strongroom doors?

  • Fire, force, drill, and explosive resistant
  • Offer complete peace of mind for your business and valuables

6. What’s Buy A Safe’s most popular security door?

The CD2 Strongroom Door with combination and key lock.

7. What are the features of the CD2 Strongroom Door?

  • 100mm thick door with a heavy steel front section
  • Drill-resistant hardened plate for lock protection
  • Fire pan for fire resistance (1 hour)
  • High-quality combination lock and pick-resistant key lock
  • 2 automatic relockers and heavy-duty hinges
  • 125mm x 125mm x 6mm steel frame with threshold plate
  • 25mm diameter steel bolts locking into the frame
  • Internal release mechanism
  • Left or right hand hinging available
  • Can be custom made to fit any size opening
  • Optional digital combination, duress, and time delay locks

8. What are the dimensions of the CD2 Strongroom Door?

  • Clear door opening: 1950mm x 710mm
  • Clear masonry opening required: 2030mm x 830mm
  • Weight: 305kg

9. Does Buy A Safe offer other security doors?

Yes, Buy A Safe offers a wide range of strongroom doors and frames.

10. Does Buy A Safe deliver security doors?

Yes, Buy-a-Safe delivers security doors right around Australia.

11. Can I get help choosing a security door?

Yes, contact Buy A Safe’s friendly staff for more information.

12. Does Buy A Safe sell other safe brands?

Yes, Buy A Safe can help you find the make and model of safe you need.

BuyASafe has a wide range of strong room doors and frames – view the entire range of Safes here! Buy-a-Safe delivers right around Australia so no matter where you are, we can help! Contact our friendly staff for more information about strong room doors and frames on 1300 405 200

Interested in other Safe Brands? Get in touch with one of our friendly safe experts, and we’ll help you find the make and model you’re looking for.

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  1. CMI - CD4 - Strongroom door Commercial Grade (EDF)
    CMI - CD4 - Strongroom Door Commercial Grade (EDF) CMI
    MSRP $10,114.00 Special Price $8,955.00 inc GST
  2. CMI - PRD4 - Strongroom Door Premier Grade (TDR)
    CMI - PRD4 - Strongroom Door Premier Grade (TDR) CMI
    MSRP $14,291.00 Special Price $12,145.00 inc GST
  3. CMI - G-CDB4 - Strongroom Door and Frame
    CMI - G-CDB4 - Strongroom Door and Frame CMI
    $23,282.00 inc GST
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