The standard-fit integrated thermal collar expands to give your home superior insulation and greater energy efficiency. The flick-fit brackets come pre-fitted for installation in under 2 minutes, with a sash finger spring for smooth re-fitting of the sash. Trickle ventilation is adjustable from the top handle while the window stays securely closed. It is backed for 10 years by the manufacturer's guarantee and can be fitted to roof pitches of 15° to 75°. A centre pane U-value of 1.1 W/m².K (fully glazed) comes alongside standard warm edge glazing.

• 10 years of manufacturer guarantee cover.
• U-value of 1.1 W/m².K at the centre pane (fully glazed).
• Warm edge glazing as standard.
• Built-in thermal collar that expands, fitted as standard.
• Under 2-minute installation with pre-fitted Flick-fit Brackets.
• Sash Finger Spring for a smooth re-fit of the sash.
• Securely closed yet ventilated: controlled trickle ventilation via the top handle.
• Fits recessed as standard.
• Suitable for roof pitches from 15° to 75°.