Our aluminium window and door systems are fully tested and certified under mandatory European Standard EN 14351-1 (Windows and doors - Product standard, performance characteristics). Initial Type Testing (ITT) covers EN 12207 for Air Permeability (achieving Class 4), EN 12208 for Watertightness (achieving Class 9A/E1050), EN 12210 for Wind Load Resistance (achieving Class C5), and EN ISO 10077-2 for thermal performance calculation. Every container shipment includes full Factory Production Control (FPC) documentation and CE Declaration of Performance (DoP) certificates.