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.

Horizontal Sliding Windows

There is a wide range of appealing options with the First sliding window range. Standard choices include windows with a single sliding panel or two panels meeting in the middle. Corner sliders without corner posts are possible. And the double slider option is a format where two panels slide past each other, allowing the choice of which to open. Security screens or flyscreens can be fitted.


W Horiz