Alideck Low Joist

Designed for use with aluminium balcony decking boards.


Aluminium support joist which has been designed to be paired with aluminium balcony decking boards. The aluminium frames ensure a strong construction that is naturally rust resistant and fire resistant to A2-s1, d0. The aluminium is finished with Qualicoat powder coating in a choice of textured sand or textured silver grey.

The Alideck Low Joist enables you to increase your span by over 200% compared to composite or timber decking joists.

Features and benefits:

  • Fire resistant to A2-s1, d0: It is non-combustible and meets the government's regulations for materials used on the exterior of high-rise buildings.
  • Rust resistant: The fully aluminium construction gives this low joist a natural rust resistance, ensuring a strong, long lasting decking support
  • Recyclable: Aluminium can be recycled time and time again ensuring that if disposed of correctly, your low joists will never end up in landfill.
  • Supports aluminium decking: Available for use with fire-resistant balcony decking boards.
  • Low maintenance: Unlike with timber supports, the Alideck Low Joists do not need regular stains or treatments, saving time and expense.
  • Stable in all weather conditions: Unlike timber it will not warp, expand or bend.
  • 30-year warranty.
  • 60-year life expectancy.


Designed for use with aluminium balcony decking boards.

General information


Qualicoat powder coating


Aluminium (30% recycled)


50 x 80 mm

Uniclass 2015

Pr_20_76_51_07 Aluminium structural sectionsPrimary


Q55/110 Deck

Specification data - Aluminium structural sections Enhanced data

Standard product features


50 x 80 mm.


Aluminium (30% recycled).


Qualicoat powder coating.

Fire rating:

A2-s1, d0.

Product Options


Maximum span is dependent on application, loading and spacing requirements. Consult manufacturer's literature for information.

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