The crystal upvc french door delivers thermally advanced performance engineered from energy-efficient frame materials and market-leading security systems. Designed for seamless property-to-garden transitions, this left-hand master configuration suits residential installations requiring lasting durability with minimal maintenance. The 28mm low-emissivity toughened safety glazing incorporates argon gas fill and warm edge spacer bar technology, achieving a u-value of 1.4W m k for enhanced thermal efficiency. Integrated trickle ventilation provides controlled air circulation while maintaining environmental performance. The high-security hook lock system delivers reliable protection, complemented by factory-fitted hardware including single handle, lock, hinges and 150mm cill. The dual-colour finish features grey external surfaces with white internal faces for contemporary aesthetic appeal. Features & benefits: 28mm low-e toughened safety glazing unit with argon gas and warm edge spacer bar for superior thermal performance. High-security hook lock system providing enhanced protection and peace of mind. Trickle ventilation for controlled air circulation and indoor air quality management. Left-hand master door configuration with integrated handle, lock and hinges. Dual-colour finish: grey external white internal for contemporary design applications. U-value: 1.4W m k. Dimensions: 1690 x 2055mm height includes 150mm cill . Glazing: clear.
Brand: Crystal
The crystal upvc french door delivers thermally advanced performance engineered from energy-efficient frame materials and market-leading security systems. Designed for seamless property-to-garden transitions, this left-hand
