LK78X – exceptional energy efficiency

The easiest way to improve the energy efficiency of a building is to ensure its proper thermal insulation. Our extremely tight Purso LK78X window and door system combines an exceptionally low U value and superb usability in any weather conditions with highly stylish design.

LK78X is a safe choice when you need inward or outward opening doors, sliding doors or fixed, or inward or outward opening windows. Throughout its life cycle, the system requires minimal care and maintenance, and it is fully recyclable after it has reached the end of its service life.

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