Ali-Deck Low Joist

The Ali-Deck Low Joist is an integral part of the Ali-Deck System. This extrusion is 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.

  • 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

Aluminium joists are far more superior than timber joists because they will not rot ot rust – aluminium is naturally resistant to corrosion. It is also fire resistant, making it the only viable option when used in areas that require fire resistant materials only.

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 JOISE SPANS – STANDARD Specification 1/350 1100 928 873
SINGLE JOISE SPANS – FIRM Specification 1/480 990 835 785
  • Commercial Load = 5.0kN SQM

The Full Range

Click on the buttons below to view our full range of Ali-Deck aluminium decking solutions.

Standard Decking
Slip Resistant Decking
Balcony Decking
Junior Balcony Decking
Roof Terrace Decking
Adjustable Pedestal
Supa Joist Supports