DuoSpan - 99mm Joist

99mm structural aluminium joist for use within the DuoSpan subframe system, offering increased load capacity and span capability.
Specifications
Dimensions & Construction
Construction
Aluminium alloy, extrusion to EN 755-9. Pre-drilled, top-down fixing.
Dimensions
W 99mm, L 3600mm, Thickness 68mm
Characteristics
Surface Finish Type
Mill Finish
Technical Specifications
Thermal Conductivity / Resistance
Thermal expansion: 0.0235mm/m/°C
Usage
Suitable Applications
Decking and cladding subframe
Suitable Sectors
Soft substrates, raised decks, commercial installations
Installation
Installation Method
Joist centres domestic: 400mm / commercial: 300mm. Joist support spacing: 1800mm centres domestic / 1200mm centres commercial.