Upgrade your home's security and energy efficiency with the Crystal Triple Glazed Single Door. This robust PVC-U residential door is designed for durability and minimal maintenance, requiring only a simple wipe down. It features a state-of-the-art high-security multi-point locking system to keep your home safe. Enjoy superior thermal performance with triple glazing, which helps to keep out draughts, maintain a warm home, and reduce heating bills. The door boasts an impressive overall U-value of 1.2 W/m2K. It includes a 36mm Low E toughened triple glazed safety glazing unit filled with argon gas and a Warm Edge spacer bar for enhanced insulation. The package comes complete with a handle, lock, hinges, and cill. For added peace of mind, it features a high-security hook lock and trickle ventilation for controlled airflow into habitable rooms. Please note that the image handling is viewed from the outside, and sizes shown are the actual product dimensions, including a 30mm cill. Dimensions: H:209.0 x W:89.0 x D:7.0 cm. Colour: Grey. Guarantee: 10 years. Material: U-pvc. Model Number: 4RRHGW89209CPTG. Brand: Crystal. Keywords: Triple Glazed Door, PVC-U Door, Residential Door, Security Door, Energy Efficient Door, Grey Door, External Door, Composite Door, Low Maintenance Door, 890x2090mm Door, Crystal Door, High Security Lock, Argon Gas Glazing, Warm Edge Spacer.