Home > S03 locking system from The Australian Trellis Door Company

S03 locking system from The Australian Trellis Door Company

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The S03 system is heavy duty and fully-framed for extra security. It is the perfect way to enjoy a wide-open lifestyle without leaving your home open to intruders.

Why should you choose the S03 for your home?


  • Custom made, fully-framed galvanised steel construction made from 95% solid steel for ultimate strength. Features solid brass rivets, ensuring there is no weakness.

Custom made:


  • The S03 will fold away behind curtains or blinds when not in use and is available in 4 standard colours to blend in with your lifestyle.

Long lasting:

  • The S03 grille has been treated, epoxy powdercoated and galvanised against corrosion.

Unique quick-action key-less lock:

  • This unique locking system improves your personal protection where you are at risk.
  • Slam door instant locking without turning key
  • A 12mm pin for extra strength
  • Three locking points in one lock
  • Double hook for extra strength
  • Bottom track:
  • Bottom track can be fixed, removable or hinged

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