Aluminium Decking Joist

£35.00 inc. VAT

£29.17 ex. VAT

59mm x 40mm x 3600mm hollow profile for lightweight strength.
Suitable for low-level and raised decking systems.
A2 fire-rated, non-combustible design.
Handles heavy loads and high foot traffic.
Resists rot, moisture, and corrosion.
Low-maintenance for long-term reliability.

Quantity:

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UK limited companies only. Orders £150+. Credit subject to status, T&Cs apply.

£35.00

Description

Create a dependable decking foundation with our advanced Aluminium Decking Joist, engineered for modern outdoor builds. This hollow aluminium joist profile measures 59mm by 40mm by 3600mm for consistent structural performance. It delivers exceptional strength while remaining lightweight for faster handling and installation. Installers can work efficiently without compromising durability or long-term stability.

The system suits low-lying projects installed directly onto solid bases. It also supports raised decking designs using adjustable pedestals. This versatility makes it suitable for both residential and commercial use.

The aluminium structure resists rot, moisture, and corrosion throughout changing weather conditions. It maintains structural integrity where traditional materials often fail. High load resistance allows confident use in demanding, high traffic areas. Busy walkways, terraces, and shared outdoor spaces remain stable under constant footfall.

Fire safety compliance comes built in for complete peace of mind. The joist achieves an A2 fire-rated non-combustible classification. It supports safer construction in regulated and sensitive environments. Choose this Aluminium Decking Joist to meet modern building expectations. Its hollow profile balances strength and efficiency without unnecessary material weight. This design reduces subframe stress while preserving excellent load-bearing capability.

The clean, precise profile ensures accurate board alignment during installation. Projects achieve a refined finish with long-lasting structural support. Use the Aluminium Decking Joist across varied layouts and deck heights. It integrates easily with contemporary decking systems and fixing methods.

Minimal maintenance requirements reduce ongoing ownership costs. The NeoTimber® Aluminium Decking Joist delivers reliability, safety, and performance in one solution.

Specifications

Dimensions & Weight:

Profile Size: 59mm x 40mm x 3600mm (1.35mm thickness)
Weight (per 3.6m length): 3.14kg

Material Properties:

Material Type: aluminium grade 6063-T6
Finish: mill finish

Downloads

NeoTimber® Aluminium Decking - Technical Specifications
NeoTimber® Aluminium Decking - Installation Instructions

Delivery

NeoTimber® has three delivery services for you to choose from: Next Working Day (order before 11am), Express (3-5 working days), or Economy (7-10 working days).

Please note that Next Working Day and Express delivery are available to UK mainland destinations only.

After your order has been picked, our logistics team will contact you with a proposed delivery date and time, and to discuss any special requirements you may have. We will also call you on the day of your delivery to confirm everything. For more information please refer to the NeoTimber® Delivery Policy.

FAQs

Get quick answers to the most common questions.

What is the NeoTimber® Aluminium Decking Joist used for?

The aluminium decking joist forms a strong, stable subframe designed to support decking boards in outdoor installations. It provides a reliable structural base and is compatible with a wide range of decking materials, including composite, aluminium, and traditional timber, making it a versatile solution for various project types.

Can this joist be used for raised decking projects?

Yes, its high strength makes it suitable for raised decking when used with pedestal systems, as well as for low-level installations on solid bases. This versatility allows it to perform reliably across a range of decking designs and build requirements.

Is the Aluminium Joist fire-rated?

Yes, it is A2 fire-rated and non-combustible, helping to meet fire safety regulations and providing added peace of mind for both residential and commercial installations.

Is this joist suitable for heavy loads and high foot traffic?

Yes, thanks to its high-strength aluminium construction, it is designed to support heavy loads and perform reliably in hightraffic areas.

Does NeoTimber® Aluminium Decking require regular maintenance?

Aluminium joists require very little maintenance and are naturally resistant to rot, moisture, and corrosion. This ensures long-term durability and consistent performance with minimal upkeep over time.