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The NBS window is an extruded aluminum frame unit designed specifically for metal building use. The window
comes completely assembled for ease of installation, and is self-flashing, so no framed opening is required.
The head and sill trim for windows are factory attached to the
window frame. The universal jamb pieces are “snapped” in place
without the use of fasteners and work well with all standard panel profiles.
The window does not need to be installed directly on 12" centers.

The window frame features a 1/4” polyurethane thermal barrier and the windows are 5/8" clear insulated glass. The finish is prime painted and finished with a white or brown paint, and are individually crated for shipping.

Window Sizes Available Through NBS

Horizontal Slider Fixed Fixed/Project-In
3030 2060 3040
4030 4040  
4040 5040  
Special window sizes and other types are available on special order for additional cost and possibly longer delivery.
For more detailed Information on NBS windows, please refer to the
Product & Engineering Manual:

Windows - Section 8.0