Composite Decking – Support Joist

£4.66 inc vat


Inc. VAT PER Meter

Number of Meters

SKU: dksupport001 Category:

A sturdy companion for composite decking. Composite Support Joists provide the substructure for your space. Pre lined centre of each joist and easy to cut, composite support joists are the efficient way to strengthen and steady the deck.

    • Dimensions: 40 mm x 30 mm
    • Length available in 2.9 meters

Made from 100% recycled material, these joist do not rot or require treating. Stronger than wood equivalent. Composite joists will support your decking. Suitable to lay on a concreate base or existing patio for speed and durability

Deckorum recommends 4 meters per 1 m2*

* Please consult our professional team at Deckorum for personalised advice

Additional Information

Weight 2.85 kg
Dimensions 2900 × 40 × 30 mm


Delivery: 3-5 working days,  delivery can be arranged with our friendly staff for any specific requirements.

Large deliveries will be made to the address stated and/or at the drivers discretion to the nearest place of safe dismount. Deliveries will need to be unloaded manually and will require the customer to assist the driver or unload all the materials.  We advise arrangements are made for this in advance.

Delivery Options Mainland UK
Sample Pack FREE
Small Parcel less than 5kg £9.99
Large Parcel less than 20kg £29.99
Large Standard Delivery £89.99

* Additional charges for Scotland & NI deliveries may apply, prices exclusive of vat

Terms and Conditions apply


Deckorum bestow the environmentally friendly Composite Support Joist that is a composition of 100% recycled wood and polyethylene for dependable reliability.

Dimensions: Width: 30 mm

Depth: 40 mm

Length: 3900 mm – 2.9 meters – 9.51 feet

Weight: 981 grams per meter

For your full installation guide please click here

For the Technical specification test results please click here

Deckorum provides an excellent service for you to get Get Started.

For more information or for any questions regarding your project please Contact Us


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