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The Premium HST K76 and Premium HST K88 sliding window system has come to give new meaning to energy saving! It was designed and manufactured specifically to meet the increased energy efficiency requirements of modern constructions, providing a unique sense of robustness. The Premium HST K76 and Premium HST K88 is a heavy-duty sliding system, designed based on modern architectural trends for maximum exploitation of sunlight and achieving the best possible view in very large openings.

Kaptain’s Premium HST K76 is a truly innovative product. Its slim line and timeless character particularly emphasize its technical characteristics: Perfect thermal and acoustic insulation, and of course, stability and tightness and perfect functionality.

Series variations and unusual dimensions with leaves up to 3.0m wide and 2.5m high offer the best conditions for your personal, unique architecture.

The pleasantly quiet and light movement of the sliding elements is another special feature of the Premium HST K76, which was created on the basis of a modern 76mm & 88mm profile system.

Premium HST K76, the new heavy-duty door that gives you the ability to flexibly configure very large openings to the garden and the terrace while maintaining brightness. The living spaces open to the garden, the terraces become living spaces.