Window Frames for Arch-Style Metal Buildings

If you choose to add windows to your SteelMaster building, we offer the perfect window frames to allow you to do so without compromising the strength of the building. Endwall frames are constructed with 14-gauge steel and they are designed to fit perfectly between the panels.

The mounting holes are pre-drilled at our factory, which makes it easier to install. They also come in a variety of different sizes to meet your specific needs.


  • Standard Endwall Window Frame 24″ x 36″ – 14 gauge
  • Standard Endwall Window Frame 48″ x 36″ – 14 gauge
  • Custom endwall window frames are also available.
  • Sidewall window frames are also available in both standard and custom sizes.


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