First windows are strong and generously sized to ensure function and style in a wide range of homes and situations. Available with ThermalHeart technology in the Residential and Metro series for maximum thermal efficiency. There are upgrade ranges to meet the need for large ‘architectural’ sizes.

Roof Windows

The First roof window offers superior insulation and heat retention when closed, thanks to First’s ThermalHEART technology. The window can be opened for high level ventilation, and has options for electric or manual opening. Rain sensors can provide automatic closing via an electric control. First roof windows can be dual coloured to complement colour schemes on the interior and roof.