New ASTM F3561 Standard for K–12 School Security Design
A new ASTM standard, F3561, addresses forced-entry resistance of fenestration systems after simulated active shooter attacks in K–12 schools. Unlike ballistic-resistance tests, it measures how the entire glazing assembly—including framing, anchoring, and hardware—resists breach after being shot. The test involves three phases: hand manipulation, ballistic weakening with an AR-15, and dynamic impact with a 100-pound pendulum. Ratings range from Level 1 to Level 8. The standard aims to buy critical minutes for law enforcement response and occupant safety. Architects are urged to specify complete systems rather than individual components, as weak framing or hardware can undermine even strong glazing. The standard supports designing secure yet daylight-filled schools. A white paper and booth at AIA (#3423) offer further details.
Key facts
- ASTM F3561 evaluates forced-entry resistance of fenestration systems after simulated active shooter attack.
- The standard tests the entire assembly: glazing, framing, anchoring, and hardware.
- It is not a ballistic-resistance standard; it measures post-shooting breach resistance.
- Test phases: hand manipulation, ballistic weakening with AR-15, dynamic impact with 100-pound pendulum.
- Performance is rated Level 1 through Level 8.
- Data from the K–12 School Shooting Database shows increased frequency of incidents.
- The standard aims to delay forced entry, giving law enforcement and occupants more time.
- Architects are encouraged to specify complete systems to avoid weak links.
Entities
Institutions
- ASTM International
- K–12 School Shooting Database
- AIA