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Aluron AS 75 windows feature slim aluminum frames that allow for expansive glazing while maintaining excellent thermal insulation. Komsta manufactures these windows using profiles from the Polish producer Aluron, based in Zawiercie.
Aluron K. Baran i Wspólnicy S.K.A. is a Polish manufacturer of aluminium systems based in Zawiercie. Komsta Stolarka Aluminiowa began collaborating with the company in June 2026 and has since integrated its systems into our product range.
The first Aluron window system offered by Komsta is the AS 75: a three-chamber profile with a 75 mm installation depth, designed for thermally insulated windows and balcony doors. It is available in four thermal variants, ranging from standard to high-performance, allowing you to match the insulation level to your building's requirements and budget. A version with triple sealing is also available, featuring an additional gasket between the frame and the sash for superior protection against wind, rain, and noise.
The system is CE certified, with its performance parameters verified by independent testing institutes. In addition to the window system, Komsta offers a full range of Aluron solutions, including the AS 75 door system, AS 178 HS lift-and-slide doors, AS 100 PIVOT pivot doors, and AS VGB all-glass balustrades.
Komsta Stolarka Aluminiowa manufactures Aluron AS 75 windows at its plant in Pyskowice, ul. Nasienna 2. In June 2026, we began working with Aluron, a Polish manufacturer of aluminium systems based in Zawiercie. This partnership expanded our range with solutions for single-family houses and commercial projects.
The Aluron AS 75 system achieves a thermal transmittance coefficient of Uw from 0.67 W/m²K. This means that very little heat escapes through the window, allowing the room to maintain its temperature for longer and reducing the frequency at which your heating needs to run. With high-performance glazing, there are no cold spots around the window, so you can comfortably place a desk or sofa right next to it.
This performance is achieved through next-generation thermal insulators within a 75 mm deep profile and a glazing range of 16-66 mm, which allows for the installation of thick triple-glazed units. The system meets all current thermal insulation standards, as confirmed by certificates from renowned research institutes.
The system is available in four thermal variants, with the final insulation performance depending on the window dimensions and the chosen glazing. For this reason, Komsta calculates it individually for every order and provides the value in the quote.
Aluron AS 75 windows are available in three burglary resistance classes: RC2, RC3, and RC4. The class indicates how long a window can withstand a break-in attempt. The higher the rating, the harder it is to gain entry and the more likely a burglar is to give up.
The sound insulation reaches 47(-2;-6) dB. In practice, this means a significant reduction in street noise, allowing for comfortable conversation and restful sleep with the windows closed, even near a busy road. The additional seal in the triple-seal version further enhances this protection.
The system has achieved Class 4 air permeability, E1950 (1950 Pa) water tightness, and Class C5 wind load resistance. Together, this means that with the window closed, you won't feel any drafts, wind-driven rain won't leak inside, and the large glass pane won't flex during a storm.
The solid construction and durability of aluminum ensure the windows last for many years. The frame does not warp under the influence of sun or frost like other materials, so the window remains just as tightly sealed after years of use.
The AS 75 system supports sashes up to 3000 mm in height, 1600 mm in width, and weighing up to 200 kg. This allows for floor-to-ceiling windows in a single piece, without the need to divide them into smaller sections.
The minimum visible frame width is 46 mm, and the sash width is 33 mm. Narrow profiles mean more glass in the same opening, resulting in more natural light indoors and less visible structure in the window frame.
The triple-seal sash version offers increased rigidity thanks to its deep outer chamber. Large, heavy sashes do not sag over time, and the handle operates smoothly. The system also allows for all-glass corners and arched structures, including welded ones.
The AS 75 system allows for:
The system is compatible with smart home solutions, allowing windows to be integrated with automation and opening sensors.
Aluron K. Baran i Wspólnicy S.K.A. is a Polish manufacturer of aluminum systems based in Zawiercie. The company provides window, door, lift-and-slide, pivot door, and all-glass railing systems.
Aluron systems are tested by independent research institutes. Certificates confirm thermal insulation, burglar resistance, watertightness, air permeability, and wind load resistance. For the investor, this means that the parameters in the table can be compared with offers from other manufacturers on the same terms. An example of a project using the AS 75 system is the Emaus Garden Apartments in Krakow.
