Measuring 780 x 1400mm, Keylite's White Painted Top Hung Hi-Therm Roof Window pairs energy efficiency with fast, easy installation through a unique mix of features. An integrated, expanding thermal collar is fitted as standard for excellent insulation. The flick-fit brackets come pre-fitted for installation in under two minutes and a sash finger spring allows the sash to re-fit smoothly. Even securely closed, the window offers controlled trickle ventilation via the top handle. It has a recessed fit as standard, suits roof pitches from 15° to 75° and is backed by a 10-year guarantee. It achieves a centre pane U-value of 1.1 W/m².K fully glazed and includes warm edge glazing as standard.

• Standard-fit integrated, expanding thermal collar.
• Under 2-minute installation with pre-fitted Flick-fit Brackets.
• Sash Finger Spring for a smooth re-fit of the sash.
• Top handle provides controlled trickle ventilation while the window stays securely closed.
• Recessed fit as standard.
• Works on roof pitches between 15° and 75°.
• Backed by a 10-year manufacturer guarantee.
• Centre pane U-value: 1.1 W/m².K fully glazed.
• Fitted with warm edge glazing as standard.