Measuring 940 x 1600mm, Keylite's White Painted Top Hung Hi-Therm Roof Window pairs energy efficiency with fast, easy installation through a unique mix of features. Excellent insulation comes from the integrated, expanding thermal collar supplied as standard. 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. Trickle ventilation is controlled through the top handle, even when the window is securely closed. Designed for a recessed fit as standard, it works on roof pitches between 15° and 75° and carries a 10-year guarantee. Warm edge glazing is included as standard and the centre pane U-value is 1.1 W/m².K fully glazed.

• Standard-fit integrated, expanding thermal collar.
• Pre-fitted Flick-fit Brackets make installation possible in less than 2 minutes.
• Sash Finger Spring ensures the sash goes back in smoothly.
• Adjust trickle ventilation at the top handle while the window remains securely closed.
• Recessed fit as standard.
• For roof pitches from 15° up to 75°.
• Manufacturer guarantee of 10 years.
• Centre pane U-value: 1.1 W/m².K fully glazed.
• Standard warm edge glazing.