With a unique blend of features, the White Painted Top Hung Hi-Therm Roof Window (660 x 1180mm) is energy efficient and simple to install. The standard integrated, expanding thermal collar delivers outstanding insulation. Installation takes under two minutes with the pre-fitted flick-fit brackets; the sash finger spring then helps the sash re-fit smoothly. You can manage trickle ventilation from the top handle while the window remains securely closed. 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.

• Controlled trickle ventilation through the top handle, even with the window securely closed.
• Recessed installation as standard.
• Suitable for roof pitches from 15° to 75°.
• 10 years of manufacturer guarantee cover.
• U-value of 1.1 W/m².K at the centre pane (fully glazed).
• Fitted with warm edge glazing as standard.
• Integrated, expanding thermal collar as standard.
• Pre-fitted Flick-fit Brackets make installation possible in less than 2 minutes.
• Smooth sash re-fitting via the Sash Finger Spring.