Splendoor - Onyx Exterior door, Anthracite

The Splendoor Onyx exterior door features a durable 67 mm thick sash with acoustic panel filling, providing 44 dB sound insulation and a U-value of 0.85 W/m²K for excellent thermal efficiency. Finished in anthracite PVC foil, it includes RC2 security, two locks, three double anti-burglary pins, 3D hinges, an aluminium threshold with thermal break, and a four-sided rebate with additional sealing for improved insulation.