The crystal upvc a rated casement window delivers proven thermal performance engineered for residential applications across the uk. Featuring a top hung opener positioned above a fixed light, this 905 x 1040mm window combines outward opening functionality with slim, strong upvc profiles. The 28mm low e glazing unit incorporates argon gas fill and warm edge spacer bar technology, achieving an impressive 1.3 W m k u-value with a-rated energy efficiency. This thermally optimised construction reduces heat loss while maintaining long-term durability and minimal maintenance requirements. The espag locking system includes a night vent position, providing two secure locked configurations for the sash. Integrated trickle ventilation delivers controlled airflow, while the included white handle and cill complete the installation-ready package. Features & benefits: a-rated energy efficiency with 1.3 W m k u-value for superior thermal performance. 28Mm low e glazing unit with argon gas fill and warm edge spacer bar technology. Espag locking system featuring night vent position for two secure sash configurations. Integrated trickle ventilation allowing controlled air circulation. Suitable for residential installations, home improvements, and replacement window projects requiring energy-efficient solutions. Includes: white handle and cill. Dimensions: w 905 x h 1040mm cill included in height measurement . Colour: white. Glazing: clear.
The crystal upvc a rated casement window delivers proven thermal performance engineered for residential applications across the uk. Featuring a top hung opener positioned above
