PVC-U casement windows are the most popular style in the UK.  They are characterised by outward opening vents which are combined with fixed panels (lights).  They are available in a huge range of styles and colours. The profiles are slim, but strong and insulating.  When combined with high quality glazing, they create a thermally efficient window which is robust and easy to maintain – and will look good for years to come. Features: A Rated window with an overall U Value of 1.3 W/m2K. Low E 28mm glazing unit including argon gas and Warm Edge spacer bar White handle and sill included (sill is included in the OA product height) Espag locking including night vent position allowing two locked positions for the sash Trickle Ventilation allowing controlled air into your habitable room Fitted with egress hinges to conform with building regulations for fire escape To confirm the image handing the product is viewed from the outside Sizes shown are actual product sizes, the height includes 3