An innovative system that incorporates contemporary aesthetics and minimalist elegance, offering a modern, bold and sustainable approach to architecture.
A modular framing system made up of three solutions that are distinguished by the threshold introduced: SIGMA MAX, SIGMA PLUS and SIGMA CLÁSSICA.
SIGMA MAX
The visual effect of continuity between the interior and exterior floor is improved by this version, which represents the excellence of the system.
SIGMA PLUS
The version of the system that has a hidden threshold with an aluminium profile.
SIGMA CLÁSSICA
In its traditional version, this solution features a fixed frame across the entire window with a 17 mm view.
One of the most notable aspects of SIGMA is its discreet presence and harmoniously integrated into any environment. The central profile of the system presents a discreet and minimalist view of just 25 mm.
With a glazed area of 97.5% and sashes that can reach 12m2, SIGMA combines the purity of minimalist lines with functionality, without compromising the high thermal performance and AEV (air permeability, water tightness and resistance to wind pressure) of the solution.
The system has a thermal performance of 1.3 W/m²K, which gives it an A+ rating in the ADENE energy labeling system. The AEV test highlights the excellent performance of the system, reaching Class 4, 8A and C4, respectively.
SIGMA is an innovative and bold solution designed directly for architects and designers who see each project as a piece of art. The system includes a minimalist and exclusive side closure and handle, available in a lacquered or anodised* option to match the color of the frame profile, for a perfect integration with the whole.
The opening/closing mechanism is intuitive and resistant, with emphasis on the hiding of the fixings through tops, ensuring an elegant and clean finish. To improve the sobriety of the solution and provide an even more harmonious integration into each project, the system offers the option of bi-color profiles.
The smooth movement of the sashes is ensured by the anti-vibration rail on the threshold that absorbs the noise of the sliding movement. Regardless of the solution, it is possible to have a roller rail or casters on the sash.
Maintenance and durability
SIGMA was designed to make possible to partially remove the gutter to facilitate the cleaning. This ensures the proper functioning of the window.
Sustainability
Every detail was designed with elegance and ergonomics, providing not only a refined aesthetic, but also high energy and AEV performance to maximize user comfort and contribute to an increasingly sustainable environment. Sigma stands out for its exceptional efficiency in terms of thermal insulation, which results in a significant reduction in energy consumption and savings in heating and cooling costs for homes.
On the other hand, by favouring a greater entry of natural light, the system reduces dependence on artificial lighting during the day, further contributing to energy savings. This approach not only benefits the environment, but also results in a significant reduction in energy costs for consumers.
Finally, the inclusion of the aluminium closure and handle promotes the concept of circularity. The infinite recyclability of aluminium, which maintains its initial properties after each recycling process, together with its high durability, are additional commitments of the Extrusal brand in the development of new sustainable solutions.
The new SIGMA perfectly exemplifies how design can combine aesthetics and functionality in a single product. Its discreet, elegant and sophisticated design adapts perfectly to any environment, while its ability to provide large glazed areas and high energy performance make this system a smart choice.
The three versions presented allow Extrusal to respond assertively to the highest standards and demands of the market: SIGMA MAX, hidden threshold with integrated flooring, SIGMA PLUS, hidden threshold with aluminium profile, and SIGMA CLÁSSICA, traditional threshold. Three alternatives that adapt to the highest demands.
The versatility of customization options and the commitment to sustainability make SIGMA an ideal choice for those looking to create contemporary, bright, and efficient spaces.
SIGMA is the materialization of Extrusal's commitment to quality and innovation.
Sophisticated. Innovative. Genuine. Minimalist. Bold
SIGMA - Sustainable elegance in every movement
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* The surface treatment with traditional wood effect decoration as well as the Forest Collection Colors finish are not applicable to the exclusive SIGMA range of accessories.