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LK90X Balcony doors

LK90X is an energy-efficient and durable balcony door system designed for northern climates and demanding use cases. The system can be used for single and double doors as well as various upper and side jamb solutions, freeing up more building design decisions. The long use life, good thermal insulation characteristics, and freedom from maintenance of aluminium make LK90X a dependable solution for modern construction applications.    

All Purso building system products are made from 100% recycled Greenline aluminium.

Technical information
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  • Door U-value even 0.8 W/m2K
  • Thickness of IGU or panels 33–73 mm
  • Frame depths 90 mm
  • Inside and outside surface of profiles can be in different colours
  • Doors with surface mounted or butt hinges
  • Maximum weight of one door leaf 120 kg

Purso ECO

Purso’s ECO product family is the most energy-efficient choice for windows as well as lift and slide doors. The products’ thermal insulation is among the best in Europe, their functionalities can endure any weather conditions and their versatility leaves room for creative visions of the architect.

Get to know ECO products

Surface treatment adds character to the facade

Surface treatment is the key to a unique and durable facade. Purso’s anodizing and powder coating provide aluminium with a stunning appearance and strong protection against weather and wear – without compromises.

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References

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100% recycled Greenline aluminium

All our building system products are made of Greenline aluminium, which is 100% recycled. In our own remelt plant, aluminium scrap is melted and refined for reuse in our production.

Aluminium is an excellent material for recycling, as it retains its properties. Greenline aluminium meets all the same requirements as primary aluminium – with a significantly lower carbon footprint.

Read more about Greenline

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