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Blast Resistant - B6500IBG Series Single Casement

Frame Depth (inches) 2.25

Description Blast resistant architectural grade 2-1/4" casement window that installs inboard of existing window.


  • Applications
  • Security and Blast Resistant

Test Size (inches)

48 x 85

Condition/Hazard Response


Design Blast Pressure (psi)

7 psi

Positive Phase Impulse (psi-msec)

44 psi-msec

Test Method

ASTM F 1642

Standard Features

  • Interior-mounted, fixed and casement windows for blast mitigation
  • Preserves original windows while providing blast protection for historic projects
  • Provides cost saving blast solution by not disturbing original installation
  • Provides GSA level C protection against explosive attacks
  • Meets DoD UFC 4-010-01 criteria
  • Casement vents are designed to operate after blast incident
  • Single glazing or 1" insulating glass construction using industry standard laminated technology
  • Standard multi-point locking hardware or maintenance-only option available
  • Vents swing inward for easy cleaning and access to exterior window
  • Can also be used as primary blast window
  • Improved acoustic and thermal performance by adding additional interior glazing layer

Technical Data

CAD Files




Interior Blast Guard; Casement; Single Glazed
Interior Blast Guard; Casement; Insulating Glass
Interior Blast Guard; Fixed; Single Glazed
Interior Blast Guard; Fixed; Insulating Glass

Shock Tube Tested • MEETS UFC 4-010-01 2007 CRITERIA • Manufactured in the USA