AUS MADE20+ Yrs Exp • Installed in a Week*

TBT Security Doors, Shutters & Blinds
Diamond Grille Security Doors, main view

Security Doors

Diamond Grille Security Doors

by TBT Security Doors

Melbourne supply & install · Free measure & quote

Classic 7mm extruded aluminium Alu-Grille with DVA one-way privacy or pet mesh backing.

About this item

  • 7mm Heavy-Duty Alu-Grille. Substantial 7mm aluminium strands riveted into reinforced perimeter frames.
  • Standard & Double Diamond. Optional double diamond mid-band reinforces the lock area and adds classic character.
  • DVA Privacy or Pet Mesh. Choose between standard insect screen, one-way DVA privacy mesh, or claw-proof Pet Mesh.
  • Australian 3-Point Deadlock. Heavy-duty locking system with parrot-beak latches for pry-resistance.

Best for

Front DoorsLaundry & Side DoorsSliding Patio OpeningsWindow Grilles

The classic Australian champion. Built from heavy-duty 7mm Alu-Grille extruded aluminium, our diamond security doors provide immediate physical deterrence and long-term durability. Available in standard diamond or reinforced double diamond designs with your choice of fiberglass flyscreen, DVA privacy mesh, or paw-proof pet mesh.

A staple of Melbourne suburban living for decades. Diamond grille doors combine heavy-gauge aluminium frames, internal corner stakes, 3-point deadlocks, and customizable mesh backings to deliver reliable security at an accessible price point.

About this product

  • 7mm Heavy-Duty Alu-Grille. Substantial 7mm aluminium strands riveted into reinforced perimeter frames.
  • Standard & Double Diamond. Optional double diamond mid-band reinforces the lock area and adds classic character.
  • DVA Privacy or Pet Mesh. Choose between standard insect screen, one-way DVA privacy mesh, or claw-proof Pet Mesh.
  • Australian 3-Point Deadlock. Heavy-duty locking system with parrot-beak latches for pry-resistance.

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