The crystal upvc a rated window top opener combines the uk's preferred casement design with advanced thermal performance engineered for contemporary installations. Featuring an outward-opening top vent configuration in a compact 820 x 820mm format, this dual-tone window delivers both functional ventilation and visual refinement. The obscure glazing utilises a low e 28mm glazing unit incorporating argon gas and warm edge spacer bar technology, achieving an a-rated u value of 1.3W m k. Espag locking with integrated night vent functionality provides two secure sash positions, while trickle ventilation ensures controlled air circulation without compromising security. Finished in grey externally and white internally, the upvc profile combines slim aesthetics with robust construction requiring minimal maintenance. The included white handle and cill complete the installation-ready specification. Features & benefits: a-rated thermal efficiency with u value of 1.3W m k for superior insulation performance. Low e 28mm glazing unit with argon gas fill and warm edge spacer bar technology. Espag locking system featuring night vent position for dual secure sash functionality. Trickle ventilation allowing controlled air circulation while maintaining security. Obscure glazing providing privacy without sacrificing natural light transmission. Grey external white internal dual-tone finish for contemporary aesthetic versatility. Outward-opening top vent casement design optimised for effective...
The crystal upvc a rated window top opener combines the uk's preferred casement design with advanced thermal performance engineered for contemporary installations. Featuring an outward-opening
