Designing for the Unthinkable: The Standard Redefining 
School Security
When it comes to school safety, the details of how a building performs under threat can mean everything. ASTM F3561 - the standard for forced-entry resistance after ballistic impact - is changing how architects, administrators, and security professionals think about educational facility design. OBE’s free white paper breaks down exactly what this standard means, how it works, and why it should be part of every informed conversation about school security.
Inside, You’ll Learn:
- What ASTM F3561 is and why it represents a critical evolution in school safety standards
- How the testing process works – and what it actually simulates
- What each performance level means for real-world protection
- Why testing the full system, not just individual components, is essential
- How ASTM F3561 compares to related standards and where it fits in the broader landscape

