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4m Aluminium Decking Joist 50mm x 50mm

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About this product

Cladco 4m Aluminium Joists are designed to create a supportive substructure for Cladco Aluminium Decking installations. These Aluminium Joists are Powder-Coated and reinforce the structure of Aluminium Decking Projects whilst being ultra-lightweight with superior strength when compared to timber or composite joists.

Total Price: £52.32 Inc VAT
View our product installation guide

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Nationwide Delivery

4m Aluminium Decking Joist 50mm x 50mm

4m Aluminium Decking Joist 50mm x 50mm
4m Aluminium Decking Joist 50mm x 50mm

Begin your Aluminium Decking Project with our Aluminium Joists

Starting out your Aluminium Decking project with a strong and supportive foundation is paramount when it comes to a high-quality finished project. Cladco Aluminium Joists enable you to correctly install your Aluminium Decking Boards upon a secure and supportive substructure, giving you a strong and professionally finished result.

These Joists can also be installed as a supportive substructure for both Timber and Composite Decking installations.

Manufactured from high-quality, durable and powder-coated aluminium, our Aluminium Joists are 4m in length and are available in Black only. The colour of your Joists does not need to match the rest of your Aluminium Decking, as they will be installed within the foundations and concealed with Aluminium Decking Board.

These Joists have an A2 Fire Rating alongside an S1 Non-combustible rating and so can be installed in living spaces that are more than 18m high. *


Materials: Non-corrosive Powder-Coated Aluminium
Joist Length: 4m
Joist Width: 50mm
Joist Thickness: 50mm
Available in Black
Each Joist weighs approximately 4.04 kg

*Before carrying out any installation, ensure you have checked all information with your building regulator and contractor prior to purchase. 


Please click on the variable options on our checkout page.

Cladco offer a Nationwide delivery service (UK Mainland) We offer a range of options, please see the table below.

Useful Links: Delivery Policy | Collection Policy


Delivery is estimated 5 working days (1 week).


Collection from our Okehampton or Andover warehouse. Please note we need 2 hour notice.

Sample Packs

Sample packs are sent via Courier and delivered within 3-5 working days.

Pricing Table

National Delivery (Orders under £1,000) Estimated 5 working days* £192.00
(Orders over £1,000) Estimated 5 working days* £96.00
(Orders over £1,500) Estimated 5 working days* FREE
Scotland Delivery Estimated 15 working days* £360.00
Millboard Delivery (Orders under £2,000) Estimated 5 working days* £192.00
(Orders over £2,000) Estimated 5 working days* FREE
Parcelforce Standard
(Small Parcels)
3-5 Working Days £5.99
Parcelforce Standard
(Large Parcels)
3-5 working days £24.99
Sample Packs 5 Working Days FREE
*Please allow for public holidays and weekends (non-delivery days)

When your goods are delivered these are sometimes delivered on a pallet with the necessary associated packaging to ensure they arrive with you in the best possible condition. We view the pallet and packaging as necessary for the protection of the goods and therefore will be a part of what is delivered to you. It is your responsibility to dispose of these items in a responsible manner when appropriate.

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