BB-LINE 84 window features:


  • 5-chamber system with a depth of 81 mm.
  • Glazing packages ranging from 24 to 53.5 mm in thickness.
  • Modern design that perfectly aligns with current trends.
    Increased window stability thanks to expanded reinforcement chambers and the possibility of using bonded glass technology.
  • A third flexible central gasket providing excellent thermal and acoustic insulation.
  • More light – up to 5% more compared to other systems in this class (for a double-sash window measuring 1465 mm in width and 1435 mm in height).
  • Class B profiles according to the PN-EN 12608-1:2016-04 standard ensuring durability and safety.
  • Transition profiles for large sliding and balcony doors.
  • A wide range of decorative foils allowing for the customization of window appearance.


BB Line 84 is an advanced window system with a build depth of 81 mm, featuring a third flexible central gasket, which increases window rigidity thanks to expanded reinforcement chambers.


This system, with its optimized profile height, provides up to 5% more light compared to other solutions in this category.


Additionally, BB Line 84 offers transition profiles for large sliding and balcony doors and supports bonded glass technology, enhancing stability and enabling the creation of larger structures.









The system provides up to 5% more light than other solutions in its class.