DuoSpan® Subframe

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DuoSpan® combines the strength of aluminium with the design flexibility of recycled plastic. This achieves a system that provides exceptional ease of installation, enormous strength and durability, and the scope to construct stunning decks and structures that would be impossible with conventional subframes.

DuoSpan® provides the perfect subframe for Millboard decking, as well as a universal support system for other outdoor flooring. Its ingenious design facilitates top-down fixing of decking boards and makes it an easy installation for all levels of competence.

DuoSpan® has been designed by industry professionals to comply with Eurocode 1: Actions on Structures (BS EN 1991-1-1), and is available in component form, or in five simple off-the-shelf kits, for ease of ordering.

Platform Compatible Version Certified to
IFC IFC - 1 2.1
Revit Revit - 1 2.1

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Properties and values

IFC
IfcExportAs
IfcBeamType
IfcExportType
JOIST
COBie
BOS_General
NBS_Data
Accessories
DuoSpan 51 mm Joists fixed together using DuoSpan aluminium brackets and provided fixings, specialist designed fixings are cathodic barrier coated with a 1000-hour salt spray resistance for minimal galvanic corrosion
Applications
Roof terraces and ground level decks
MaterialStandardsTemperDesignations
T66
MaxCommercialUnsupportedJoistSpan
510 mm
MaxDomesticUnsupportedJoistSpan
900 mm
PointLoadDeflectionCriteria
1/250
StructuralSectionsColour
n/a
StructuralSectionsFilmThickness
n/a
StructuralSectionsFinishApplied
Mill
StructuralSectionsFinishWorked
Mill
StructuralSectionsSize
51 x 68 x 3600 mm
SuppliedBy
The Millboard Company Ltd
ThermalExpansion
0.0235 mm/m/°C
Weight
4.1 kg
Pset_BeamCommon

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