Steel-Arte Storefront Window

The Steel-Arte Fineline Common Mullion™ window walls feature narrow sight lines, ideal for modern architecture. The steel storefront system shares a perimeter frame and feature common, or shared, mullions which separate fixed or venting windows. Optional third party structural engineering is available to ensure the design meets the site conditions of your project.

Dynamic differences

  • Flexible frame, jamb and mullion depths and dimensions
  • Flexible glass planes allow for the creation and manipulation of shadow lines
  • Optional third party structural engineering available
  • All dimensions are flexible

Window Options


Glass Options
Profile Options
Hardware Options
Finishing Options

Related applications

  • Dimensional flexibility enables precise horizontal and vertical alignments.
  • Fineline Common Mullion™ window wall and door assemblies can be aligned by using a continuous common sill.
  • Sills on oversize units can be shipped loose.

Steel-Arte Storefront Application Gallery


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