Water Tightness in Windows and Doors
Standard: EN 12208:2001
Standard Information
- Standard Number: EN 12208:2001
- Title: Windows and doors - Water tightness - Classification
- Status: Current
- Application: Windows and doors in buildings
Classification System
Test Pressure Classes
The standard defines classes based on test pressure:
- Class 1A: 0 Pa (No requirement)
- Class 2A: 50 Pa
- Class 3A: 100 Pa
- Class 4A: 150 Pa
- Class 5A: 200 Pa
- Class 6A: 250 Pa
- Class 7A: 300 Pa
- Class 8A: 450 Pa
- Class 9A: 600 Pa
- Exceptional: > 600 Pa (Special requirements)
Method Classifications
- Method A: Unprotected
- Method B: Protected
Testing Requirements
Testing procedures include:
- Water spray application
- Pressure differential testing
- Duration of exposure
- Water penetration assessment
- Performance monitoring
Application Guidelines
Recommended Classes by Building Type
- Class 4A: Protected locations, low-rise buildings
- Class 5A-6A: Standard residential buildings
- Class 7A-8A: Commercial buildings, exposed locations
- Class 9A: High-rise buildings, coastal areas
- Exceptional: Special applications, extreme conditions
Performance Criteria
Products must demonstrate:
- No water penetration at specified pressure
- Maintained functionality after testing
- Effective drainage systems
- Proper seal performance
- Durable weather stripping
Critical Components
- Weather seals
- Drainage channels
- Frame joints
- Glazing systems
- Hardware integration
Installation Requirements
- Proper frame sealing
- Correct drainage paths
- Appropriate sill details
- Weather barrier integration
- Flashing installation
Important Considerations:
- Select appropriate class for location and exposure
- Consider building height and orientation
- Verify test certificates
- Ensure proper installation methods
- Maintain regular inspection schedule