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Structural Decking for Concrete Slab Construction   BlueScope LYSAGHT BONDEK<sup>®</sup> II

Structural Decking for Concrete Slab Construction

LYSAGHT® BONDEK® II structural decking system is a highly efficient and robust profiled zinc coated steel sheeting for use in the construction of composite floor slabs. It has been tested to perform as formwork and longitudinal reinforcement in one-way composite slabs. It has effective longitudinal tensile reinforcement and the top of the ribs has been embossed to bring about greater mechanical bonding between the steel sheet and concrete.

LYSAGHT® BONDEK® II steel decking can act as permanent or ’lost’ formwork for suspended in situ concrete floor or roof slabs in new and refurbished buildings. On most projects it will also act as all or part of the tensile bottom reinforcement for the concrete slabs. LYSAGHT® BONDEK® II steel decking system is especially suitable for ’fast-track’ construction methods where speed, simplicity and affinity with steel framed structures makes it ideal for high and low rise buildings. The speed and ease of installing LYSAGHT® BONDEK® II  steel decking means that buildings can be erected faster, enabling projects to be completed earlier and within budget without compromising on quality.

LYSAGHT® BONDEK® II steel decking system is a complete structural steel decking system for concrete, mansonry or steel frame construction.

LYSAGHT® BONDEK® II General Specifications

Base Metal Thickness (BMT)

0.75 mm , 1.0 mm , 1.2 mm

Effective Coverage Width

600 mm

Rib Height

54 mm

Mass (Unit Weight)

10.3 kg/m2 (for 0.75 mm)


13.6 kg/m(for 1.00 mm)


16.02 kg/m2 (for 1.20 mm)

Grade of steel

G550 (for 0.75 mm and 1.0 mm)
G500 (for 1.2 mm)

Coating Class



Features and Benefits

  • Ease of installation
  • Excellent spanning capacities for greater strength and less deflection
  • Reduction in construction time by as much as 10 days per slab
  • Steel floor deck provides a stable working platform instantly
  • Steel floor deck arrives on site in lightweight sheets, cut to length
  • Works as composite slab saving on concrete and reinforcement costs.
  • When installed, the deck acts as a diaphragm
  • Fire performance rating in accordance to British Standards and PSB Corp Singapore

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LYSAGHT® BONDEK® II Installation

You may like to know other profiles available in BlueScope Lysaght Malaysia Structural Decking Solutions :-

Long Spanning Steel Decking Profile
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  Metallurgical technology is by no means static – about 70% of the steel used in today’s cars did not exist 10 years ago. These new grades of steel are stronger and more durable than ever before.  
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