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Armourdeck Steel Deck Formwork

Armourdeck™ Steel Deck Formwork

Manufactured in two deck profiles to better fit the needs of your project


Manufactured by Big River Group, The formwork specialists.

Armourdeck steel formwork provides a fast, efficient method of creating suspended concrete slabs. The composite action of the steel decking also increases efficiency by forming a high performance composite slab.

Armourdeck steel formwork offers excellent spanning capabilities, high composite strength and minimal deflection. It is ideal for both concrete and steel frame construction.

Armourdeck steel formwork is roll-formed from hot-dip zinc coated, hi-tensile steel strip in a range of base metal thicknesses (BMT) conforming to AS1397.

  • Fast, easy installation
  • No stripping of formwork
  • Works as a composite slab
  • Saves on concrete and reinforcement
  • Reliable interlocking joins

  • High composite strength
  • Long spanning capability
  • Interlocking horizontal laps
  • Two widths 600 and 300mm
  • Anti-glare coating

Armourdeck 600
ARMOURDECK™ 600
  • 600mm width for quick cover
  • High composite strength
  • Long spanning capability
  • Ribs create safe working platform
  • Interlocking horizontal laps
  • Slip-resistant embossments

Armourdeck 300
ARMOURDECK™ 300
  • 300mm width for ease of handling
  • Light and easy to carry
  • Composite action
  • Interlocking laps
  • Flat soffit for attractive ceiling finish
  • No voids in slab

ARMOURDECK™ 600 – General Product Data

Gauge BMT (mm) Lineal Metres per Tonne Mass Linear Mass
(kg/m2)
Zinc Coating (g/m2) Yield Strength (MPa) Coverage
(m2/tonne)
0.75 161.4 6.20 10.33 Z350 550 96.84
1.00 122.8 8.14 13.57 Z350 550 73.68

ARMOURDECK™ 300 – General Product Data

Gauge BMT (mm) Lineal Metres per Tonne Mass Linear Mass (kg/m㎡) Zinc Coating (g/m㎡) Yield Strength (MPa) Coverage (m㎡/tonne)
0.75 334 2.99 9.98 Z350 550 100.2
1.00 254 3.93 13.12 Z350 550 76.2

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