The crystal upvc casement window delivers a-rated thermal performance in the uk's most popular window style. Featuring an outward-opening top vent combined with slim, robust profiles, this 610 x 610mm window provides effective ventilation and enduring performance. The 28mm low e glazing unit incorporates argon gas fill and warm edge spacer bar technology, achieving a u-value of 1.3 W m k. Espag locking with night vent position enables two secure sash settings, while integrated trickle ventilation ensures controlled airflow. The upvc construction requires minimal maintenance and delivers long-term aesthetic retention. Supplied complete with white handle and cill, this casement window suits residential applications requiring efficient, durable glazing solutions. Features & benefits: a-rated thermal efficiency with 1.3 W m k u-value for reduced heat loss. 28Mm low e glazing unit with argon gas and warm edge spacer bar technology. Espag locking system with night vent position providing two locked sash configurations. Integrated trickle ventilation for controlled room airflow. Low-maintenance upvc construction with white finish and clear glazing. Ideal for residential refurbishment, new build installations, and domestic window replacement projects. Dimensions: 610 x 610mm cill included in height . Includes: white handle and cill.
The crystal upvc casement window delivers a-rated thermal performance in the uk's most popular window style. Featuring an outward-opening top vent combined with slim, robust