Sheerline Prestige Bi-Folds
Prestige bi-folds can help soften boundaries, creating an increased sense of space and a seamless transition between your garden and the inside of your home.
Slim, equal 138mm sash-to-sash sightlines ensure light bathes your interiors, even when your doors are closed. Giving you bright airy interiors no matter what style or configuration you choose.
Our Prestige bi-folds achieve U-values of 1.4 with double glazing, and 1.0 with triple glazing. Other aluminium bi-folding doors usually achieve a U-value of 1.8.