Aluminium Joists

Aluminium Joists

Builddeck is a leading manufacturer of Class A Fire Rated aluminium decking.

The Builddeck Aluminium joists substructure system is the ultimate decking support solution. Our composite decking joists simple and sturdy design ensures rapid installation regardless of the complexity of the project.

Designed to support all Builddeck composite and aluminium decking boards.


Dimensions: Length 3600 mm

  • 48 x 22mm
  • 48 x 38mm
  • 49 x 72mm


  • Non-combustible
  • Easy Installation
  • Fits all Builddeck Pedestals
  • 25 Year Warranty

For a Class A non-combustible system, install using our Aluminium Decking and Steel Pedestals.