https://www.jpcorry.com/jp-corry-products/keylite-thermal-roof-window-pine/
Keylite Thermal Roof Window - Pine
Description
Keylite's most versatile window, suitable for single or multiple applications in any roof with a pitch of 15˚-90˚. The opening handle is conveniently placed at the top of the window and also controls ventilation, giving the option of fresh air flow even when the window is locked and secure.
Thermal Performance
Keylite windows have an Expanding Thermal Collar, Warm Edge Glazing and a Streamlined Fit as standard, leading to enhanced thermal performance.
Keylite Roof Windows and Flashings are covered by a 10 year guarantee, with a new 20 year guarantee on Polar White PVC Centre Pivot Roof Windows. All electric components, blinds and accessories are covered by a 3 year guarantee.
Datasheet :- Centre-Pivot-DoP