DuoSpan - 51mm Joist

A 51mm structural aluminium joist (alloy 6063, T66) forming the core of the DuoSpan subframe system for decking and cladding installations. Measuring 51 x 68 x 3600mm and weighing 4.1kg per length, it is engineered to Eurocode 1 standards and suited to roof terraces and ground-level decks. Pre-drilled for slot-and-screw assembly with compatible DuoSpan brackets and cathodic barrier coated fixings.
Specifications
Dimensions & Construction
Construction
Aluminium alloy 6063, Temper T66. Pre-drilled holes, slot-and-screw assembly
Dimensions
W 51 x Thickness 68 x L 3600mm
Weight per ㎡
Weight: 4.1kg per length
Characteristics
Surface Finish Type
Mill Finish
Surface Composition
Aluminium
Technical Specifications
Thermal Conductivity / Resistance
Thermal expansion: 0.0235mm/m/°C
Usage
Suitable Applications
Decking and cladding subframe
Suitable Sectors
Roof terraces and ground-level terraces
Installation
Installation Method
Joist centres domestic: 400mm / commercial: 300mm Max unsupported span domestic: 900mm / commercial: 510mm Top-down fixing of decking boards