HST sliding doors


Frame depth

153 - 239 mm

Sash depth

67 mm


Glazing thickness

14 - 52 mm

Air permeability

Class 4

Water tightness

Class 9A (600Pa)

Wind resistance

Class C4 (1600Pa)



  • sliding or lift-and-slide structures;

  • system adapted to the latest thermal insulation, aesthetics and safety requirements;

  • available system options: UG version with low threshold, UG - 90° angle solution

  • UG sliding structures are designed for use in residential building facilities, mainly private houses and public buildings;

  • structures with very large dimensions of sliding leaves – maximum structure dimen-sions: leaf height up to 3300 mm and leaf width up to 3500 mm.

  • structure design: frame – 3-, 5- and 7-chamber system;

  • combinations of two-, three- and four-element combinations possible on the basis of the two-track system;

  • possibility of using different types of core (single or double glazing);

  • the system enables the construction of large glazing surfaces, which ensures more daylight to the interiors and facilitates their arrangement while maintaining stability, func-tionality and lightness of the structure;

  • the system is compatible with other Aliplast systems;

  • wide range of colours – RAL colours, structural colours, Aliplast Wood Colour Ef-fect, anode, bi-colour;