Lysaght bondek II

LYSAGHT BONDEK II profile steel decking is roll-formed from SuperDyma steel or Zinc coat, hi-tensile steel strip. In base metal thicknesses 0.75mm, 1.0mm & 1.2mm -  AS1397:2011

LySaght Bondek II

LYSAGHT BONDEK II is a highly efficient, versatile and robust formwork, reinforcement and ceiling system for concrete slabs. It is a profile steel sheeting widely accepted by the building and construction industry to offer efficiency and speed of contruction.

The typical Bondek II profile and dimension of a cross section of composite slab is given in illustration respectively. The section properties and the material specification are given in tables respectively.

BONDEK II profiled steel decking is roll-formed from SuperDyma steel or Zinc coated, hi-tensile steel strip, in base metal thicknesses (BMT) of 0.75, 1.0 & 1.2mm. The steel strip conforms to AS1397:2011.

LYSAGHT BONDEK II has superior spanning capacities. 1.2mm BMT LYSAGHT BONDEK II can be used as a permanent formwork spanning up to 3.8m unpropped used in steel-framed construction.

LYSAGHT BONDEK II composites slabs can be designed to achieve a fire-resistance of up to 240 minutes. For fire resistance levels of 90 and 120 minutes, the BONDEK II ribs contribute significantly to the resistance of the slab in fire.


Design Advantages include

  • Excellent spanning capacities for greater strength and less deflection.
  • Acts as permanent formwork with minimal propping and no stripping of formwork face is required.
  • Fast and easy to install (600mm wide) with less handing required.
  • Works as reinforcement with composite slab saving on concrete and reinforcement costs.
  • Advanced Design for Fire Resistance.
  • New BONDEK II design software gives added flexibility and ease of design.
  • Nationwide technical support.

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