First APL Architectural Series

Designed by professionals, for professionals, First® APL Architectural Series is ideal for both houses and apartments.

Large windows and doors can be tailor-made exclusively for your new home. Durable box-shaped window frames and awning sashes sit flush with the façade.

Clean surfaces, continuous sightlines and square-edged forms add to the modern, contemporary look.

  • Designed with clean, flush surfaces, continuous sightliness and square-edged forms
  • Maximum sizes possible
  • Wide product range
  • Flush frame windows for seamless look
  • Sliding doors specially designed for tough exposures - externally sliding with flushline sill and easy-glide panels
  • Corner sliders (interior and exterior) available as well as multiple stacking systems and cavity and overwall slider options
  • Tall and wide bi-folds possible