Aluminium Joist 50 × 30 mm – 4m

Aluminium Joist 50 × 30 mm – 4m

Maximum strength. Long-lasting stability. Premium substructure for decking and cladding.

The aluminium joist 50 × 30 mm (4 m length) is a premium substructure solution for composite decking and cladding installations. With its robust profile and corrosion-resistant aluminium construction, it provides unmatched durability, dimensional stability, and load-bearing capacity, making it ideal for both residential and commercial projects.

Unlike timber or WPC joists, aluminium joists are completely resistant to rot, moisture, deformation, and pests, guaranteeing a flawless and long-lasting installation. They are the preferred choice for demanding projects, ensuring the perfect base for composite boards.

Key Benefits

• High strength & stability – excellent load-bearing capacity for decking and cladding

• Durable aluminium construction – resistant to rust, moisture, and weathering

• Long-lasting performance – will not warp, rot, or deform

• Maintenance-free – no protective treatment, painting, or oiling required

• Professional-grade solution – ideal for residential and commercial installations

• Precise fit – designed for compatibility with composite board systems

Technical Specifications

• Product type: Aluminium joist

• Dimensions: 50 × 30 mm

• Length: 4,000 mm

• Material: High-grade aluminium alloy

• Color: Black (powder-coated for corrosion protection)

• Profile: Rectangular structural joist

• Compatibility: Composite decking and cladding boards (all systems)

• Installation: Substructure, fixed with stainless steel clips and screws

• Resistance class: 100% resistant to UV, moisture, frost, fungi, mold, and insects

• Maintenance: Completely maintenance-free

• Applications: Decking, façades, soffits, commercial and heavy-duty projects

Why Choose Aluminium Joists?

Because they offer the strongest and most durable base for composite systems. With no risk of rot, deformation, or structural weakness, the Aluminium Joist 50 × 30 mm guarantees reliability, safety, and performance for decades.

A premium foundation for professional-grade composite decking and cladding installations.