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Blast Resistant - B1200 Series Fixed Nail Fin

Fixed Window

Frame Depth (inches) 3.25

Description Blast resistant architectural grade 3-1/4" fixed window system with nail fin frame.


  • Applications
  • Security and Blast Resistant

Test Size (inches)

49.75 x 67.75

Condition/Hazard Response


Design Blast Pressure (psi)

Minimum UFC 4-010-01

Positive Phase Impulse (psi-msec)

Minimum UFC

Test Method

UFC Calculation

Standard Features

  • Fixed windows for blast mitigation
  • Provides GSA level C protection against explosive attacks
  • Meets DoD UFC 4-010-01 criteria
  • Trim & clip or receptor anchoring system
  • 1" insulating glass construction using industry standard laminated technology
  • Mulls to fixed and operable products 3 1/4" frame
  • Coped corner construction

Technical Data

Product Literature

Additional Resources

Installation Accessories

3¼" Unitized Frame Accessories
View Accessories >
3¼” Frame Accessories
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CAD Files




Blast Resistant Fixed with Nail Fin

Shock Tube Tested • Third Party Calculations • Manufactured in the USA