The crystal upvc casement window combines outward opening top hung vents with fixed panels, engineered from slim, strong and insulating upvc profiles. This 1190 x 1115mm configuration delivers robust thermal performance and enduring aesthetic appeal. The a-rated u-value of 1.3W m k results from advanced low e 28mm glazing units incorporating argon gas fill and warm edge spacer bar technology. Trickle ventilation enables controlled airflow management, maintaining indoor air quality while preserving thermal efficiency. The espag locking system features dual locked positions including night vent functionality, delivering enhanced security and ventilation flexibility. The grey external and white internal colour scheme provides contemporary kerb appeal while maintaining traditional interior aesthetics. Features & benefits: most popular window style in the uk, suitable for residential properties and new build installations. A-rated thermal performance with 1.3W m k u-value for superior energy efficiency. Low e 28mm glazing unit with argon gas fill and warm edge spacer bar technology. Espag locking system with night vent position offering two secure sash positions. Trickle ventilation allowing controlled air circulation throughout the room. Obscure glazing for privacy while maintaining natural light transmission. Robust upvc construction requiring minimal maintenance for long-term durability. Dimensions: w 1190 x h 1115mm height includes cill . Colour: grey external white intern...
The crystal upvc casement window combines outward opening top hung vents with fixed panels, engineered from slim, strong and insulating upvc profiles. This 1190 x
