100% Recycled Plastic Joist – 50mm x 100mm x 3000mm
Durable, Low-Maintenance Subframe Solution for Composite Decking

Engineered for strength and built to last, our 100% Recycled Plastic Joist (50mm x 100mm x 3000mm) is the ideal choice for constructing long-lasting, maintenance-free subframes for composite decking. Manufactured from high-quality recycled plastic, this joist offers exceptional resistance to rot, moisture, insect damage, and general wear – far outperforming traditional timber joists in outdoor environments.

With its solid, non-absorbent construction, this joist is perfect for ground-level and raised decking projects. It won’t warp, crack, or deteriorate over time, making it the smart and sustainable alternative to wooden subframes.

At 3000mm in length, this plastic joist reduces the number of joins in your substructure, helping to speed up installation while increasing structural integrity. Whether you’re building a garden deck, balcony platform, or outdoor feature, this joist delivers dependable, low-maintenance performance from the ground up.

Key Benefits:

• Dimensions: 50mm x 100mm x 3000mm – ideal for composite decking subframes

• Material: 100% recycled plastic – eco-conscious and sustainable

• Weatherproof: Will not rot, swell, splinter or absorb moisture

• Maintenance-Free: No painting, staining, or treating required

• Applications: Ideal for composite decking substructures, garden buildings, outdoor platforms, and landscaping frameworks

Why Choose Recycled Plastic Joists?

• Long-lasting performance in wet, shaded, or high-moisture areas

• Resistant to ground contact decay and insect infestation

• Supports composite decking boards with lasting strength and alignment

• Reduces labour, maintenance, and replacement costs over time

• Environmentally responsible alternative to treated timber joists

Build your deck on a foundation you can trust. Our 50mm x 100mm recycled plastic joist provides superior durability, stability, and sustainability – all with zero maintenance.

Smart, strong, and sustainable – the perfect base for composite decking.