The Keylite White Painted Top Hung Hi-Therm Roof Window (1340 x 980mm) combines a unique set of features for an energy efficient window that is quick and easy to install. The standard integrated, expanding thermal collar delivers outstanding insulation. Pre-fitted flick-fit brackets allow installation in under two minutes, while the sash finger spring ensures the sash re-fits smoothly. Trickle ventilation is controlled through the top handle, even when the window is securely closed. A recessed fit is standard and the window is suitable for 15° to 75° roof pitches, with a 10-year guarantee. The fully glazed centre pane U-value is 1.1 W/m².K, with warm edge glazing included as standard.

• Controlled trickle ventilation through the top handle, even with the window securely closed.
• Designed for a recessed fit as standard.
• Works on roof pitches between 15° and 75°.
• 10 years of manufacturer guarantee cover.
• Centre pane achieves a U-value of 1.1 W/m².K when fully glazed.
• Fitted with warm edge glazing as standard.
• Standard-fit integrated, expanding thermal collar.
• Flick-fit Brackets come pre-fitted, allowing installation in under 2 minutes.
• Smooth sash re-fitting via the Sash Finger Spring.