Bullet Resistance Classification According to EN 1522:2000
EN 1522:2000 is the European standard that defines the classification system for bullet resistance properties of windows, doors, shutters, and blinds. The standard establishes seven resistance classes (BR1 to BR7), each representing different levels of protection against various types of ammunition.
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Resistance Classes Overview
BR1 (Bullet Resistance Class 1)
Basic protection against:
- Low velocity handgun ammunition (9mm)
- Standard pistol rounds
- Basic handgun threats
BR2 (Bullet Resistance Class 2)
Enhanced protection against:
- Medium velocity handgun ammunition (9mm)
- Enhanced pistol rounds
- Standard handgun threats
BR3 (Bullet Resistance Class 3)
High protection against:
- High velocity handgun ammunition (9mm)
- Advanced pistol rounds
- Enhanced handgun threats
BR4 (Bullet Resistance Class 4)
Very high protection against:
- High velocity rifle ammunition (5.56mm)
- Standard rifle rounds
- Basic rifle threats
BR5 (Bullet Resistance Class 5)
Enhanced rifle protection against:
- High velocity rifle ammunition (7.62mm)
- Enhanced rifle rounds
- Standard rifle threats
BR6 (Bullet Resistance Class 6)
High rifle protection against:
- High velocity rifle ammunition (7.62mm)
- Advanced rifle rounds
- Enhanced rifle threats
BR7 (Bullet Resistance Class 7)
Maximum protection against:
- High velocity rifle ammunition (7.62mm)
- Maximum power rifle rounds
- Advanced rifle threats
Testing Requirements
Each resistance class is tested against:
- Multiple shots at specified distances
- Different ammunition types
- Impact at various angles
- Spalling and fragmentation control
- Structural integrity maintenance
Components Tested
Testing includes assessment of:
- Glazing systems
- Frame construction
- Hardware components
- Sealing systems
- Installation methods
Application Guidelines
Recommended applications by class:
- BR1-BR2: Basic security, low-risk areas
- BR3: Standard security, medium-risk areas
- BR4-BR5: High security, high-risk areas
- BR6-BR7: Maximum security, critical infrastructure
Safety Requirements
- Emergency egress compliance
- Fire safety standards
- Accessibility requirements
- Maintenance access
- Emergency response procedures
Important Considerations:
- Classification must match security requirements
- Higher classes require increased maintenance
- Insurance requirements may dictate minimum class
- Local regulations may specify minimum standards
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