Steel Curtain Walls

May 18, 2018



Why choose steel?

  • Three times the wind load capacity of a standard aluminum curtain wall

  • Three times the modulus of elasticity of aluminum, allowing for smaller profiles

  • Superior thermal performance and reduced thermal expansion than aluminum

  • Significantly larger spans of glazing than traditional aluminum systems

  • Water-tight curtain wall framing joints with no visible weld bead

  • Low maintenance system

Given steel’s strength, it seems like the natural material of choice to support glazed curtain walls. However, aluminum has been dominant since the mid-1900s—outperforming steel with its lightweight, versatile and corrosion-resistant properties. 

Today, due to developments in manufacturing processes, steel framing is reemerging as a high-performance material in glazed curtain walls. It surpasses traditional aluminum framing systems in terms of free span size, narrow sightlines and design flexibility. 

Are Fire-rated Steel Curtain Walls Available?
Fire-rated steel curtain-wall frames are currently available with one- and two-hour ratings. They can provide fire protection (against the transfer of flames and smoke) or fire resistance (against flames, smoke, and heat transfer). Manufacturers can apply thermal insulation and isolation concepts to steel frames that earn the fire resistive classification.


Contact us today.

Phone: 6496 0040



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The superior quality of our materials, innovation and attention to detail are part of the foundation that form RP Technik Australia, as well as the uncontrollable concern for the satisfaction of our customers, partners and teams.


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