Senator’s extensive range of PVC casement windows are the most secure, elegant, versatile and energy-efficient products on the market. Designed for optimum strength, superior thermal properties and excellent weathering performance, they retain their pristine appearance year after year with the minimum of maintenance. casement-style-window1 (Copy)casement-style-window2 (Copy) Casement windows are the most popular style of window in Ireland and ideal for any new-build or window replacement project. shadow-top Using only superior materials our casement window system combines modern looks with exceptional energy efficiency. ‘A’ energy-rated as standard and with a window U value of 1.38, our casement windows exceed the requirement set out by the Department of the Environment for Irish Building Regulations*. In addition, all of our casement windows can be upgraded to triple-glazed or passive standard. We offer a wide selection of frames including open out, top or side-hung openings, which can be manufactured in a variety of different configurations including Bow, Bay or French windows. The size and style can also be tailored to your openings according to the position of your window and the space available.