AliDeck Low Joist for Aluminium Metal Decking

The AliDeck Low Joist is an integral part of the AliDeck System and is our low-profile joist option, designed to act as both a support post and a large-spanning joist.

Compatible with all AliDeck decking boards and fully compliant with fire regulations, achieving A2-s1, d0 following independent fire safety tests. The Low Joist is ideal for use on concrete balconies and terrace areas that require adjustable or low build-up heights.

  • Fire Resistance: A2-s1, d0 and A2fl-s1

  • Span: up to 1200mm

  • Weight: 3.11kg per linear metre

  • Standard Stock Lengths: 6m

  • Coating Thickness: 60-80 microns

  • Warranty: 30 years

  • Life Expectancy: 60 years

  • Colours: Full Range

AliDeck non-combustible aluminium metal decking Low Joist for balcony, terrace and walkway projects

Aluminium joists are far superior than timber or steel joists as they will not rot or rust; aluminium is naturally resistant to corrosion. Aluminium is also non-combustible, making it the only viable option when used in areas that require fire-resistant materials only.

The AliDeck Low Joist can be used with any AliDeck System Decking Board and is fully compatible with all of our Pedestal solutions.

  • Benefits include:

    • Increased span capabilities against timber or composite
    • Increased spans by over 200%
    • All aluminium
    • Quick and easy to install
    • Low maintenance
    • Recyclable
    • Stable in all weather conditions
AliDeck aluminium metal decking Low Joist assembly diagram

AliDeck Low Joist Technical Data

Click to view full datasheet for the AliDeck Low Joist.

Low Joist
AliDeck aluminium metal decking Low Joist Diagram

Domestic Component Disposition: Low Joist Spans

SINGLE JOIST SPANS – Between Supports (Centre Line of Joists in mm) 600 1000 1200
SINGLE JOIST SPANS – STANDARD Specification 1/350 1640 1385 1304
SINGLE JOIST SPANS – FIRM Specification 1/480 1480 1247 1174
  • Domestic Load = 1.5kN SQM

Commercial Component Disposition: Low Joist Spans

SINGLE JOIST SPANS – Between Supports (Centre Line of Joists in mm) 600 1000 1200
SINGLE JOIST SPANS – STANDARD Specification 1/350 1100 928 873
SINGLE JOIST SPANS – FIRM Specification 1/480 990 835 785
  • Commercial Load = 5.0kN SQM

Low Joists

The Ali-Deck Low Joist has been designed to act as a support and joist for the junior and big span balcony board specifically on concrete balconies and terrace areas that require adjustable heights.

This joist in designed to work in conjunction with the Ali-Deck adjustable pedestal and the rest of the Ali-Deck decking board range.

Low Profile Adjustable Brackets

Low Profile Adjustable Brackets are a solution driven product, specifically designed for installations where a low threshold is required, the brackets can be as low as 70mm and up to 125mm (from the top of the boards to the ground).

End Plates

The end plates are made from aluminium and are available for all our decking boards.

Ali-Deck Aluminium Decking Boards

The decking board shown is the Senior Balcony Board. Alternative Ali-Deck boards include:

  • Standard Interlocking Board
  • Slip Resistant Board
  • Junior Balcony Board
  • Senior Flat Balcony Board
  • Junior Flat Balcony Board
  • Rooftop Terrace Board

The Full Range

Click on the buttons below to view our full range of AliDeck aluminium decking solutions.

Standard Aluminium Metal Decking Board
AliDeck Boards
AliDeck Non-combustible Aluminium Metal Decking Joist Range for Balcony Board Decking
AliDeck Joists
AliDeck Non-combustible Aluminium Metal Decking Adjustable Pedestal Range for Balcony Board
AliDeck Pedestals
Aluminium Decking Accessories
AliDeck Accessories