The crystal upvc a rated casement window delivers superior thermal performance engineered for residential applications requiring both energy efficiency and natural ventilation control. Featuring a top-opening configuration with obscure glazing, this 610 x 1040mm window combines contemporary upvc construction with advanced low e glazing technology. The 28mm 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 performance. This thermally efficient specification reduces heat loss while maintaining robust weather protection. The espagnolette locking system features night vent positioning, providing two secure locking positions for flexible ventilation. Integrated trickle ventilation allows controlled airflow without compromising security, while the obscure glazing ensures privacy in bathroom and utility installations. Features & benefits: a-rated energy performance with 1.3 W m k u-value for exceptional thermal efficiency. Low e 28mm glazing unit with argon gas fill and warm edge spacer bar technology. Espagnolette locking with night vent position offering two secure settings for controlled ventilation. Trickle ventilation system allowing regulated airflow while maintaining security. Obscure glazing ideal for bathrooms, utility rooms, and privacy-critical installations. Outward opening top vent design maximising internal space and ease of operation. White upvc construction delivering low-ma...
The crystal upvc a rated casement window delivers superior thermal performance engineered for residential applications requiring both energy efficiency and natural ventilation control. Featuring a
