Maintenance free rigid multi-chamber vinyl profile. Full 3¾” Depth Welded Mainframe with beveled colonial exterior features curves that are not only beautiful, but also allow for maximum weld surface resulting in superior strength and years of long lasting performance. Heatseal® warm edge spacer system for excellent thermal efficiency and drastic reduction in the possibility of condensation on the inside of the window:

  • Full integral interlock with double weather-stripping.
  • Optional Auto-Lock features an exclusive automatic locking system which is easy to engage.
  • Heavy gauge fully extruded handles on both sashes.
  • Fiberglass mesh half screens standard on all windows.
  • Optional locking screen provides an additional safety measure.
  • Available in Replacement and New Construction applications




Optional Auto-Locks: All colors except Euro-White are available at an additional charge:

ThruVision® Screen  (standard on all OKNA Windows): Regular Screen