K-LINE's 2-rail and 3-rail sliding windows are more than just openings—they enhance the home environment by allowing natural light to fill the space. They offer unrivaled views of the outdoors and can be opened wide to merge the living room and garden.
Key Features
- Sleek design with a slim central crossing (only 40 mm thick) and side frames (66 mm).
- Available in a choice of 30 colors, with an option for two-color combinations.
- Hidden water drainage system with no visible nozzles.
- User-friendly features include recessed rails for easy passage and intuitive handles with a choice of opening direction.
- Slim and durable aluminum profiles maximize glazed surface area.
- External lock with a key for maximum security.

Large dimensions possible
- Up to 3,600 x 3,000 mm height for 2 rails with 2 leaves.
- Up to 5,400 x 3,000 mm height for 3 rails with 3 leaves.
Advantages
- Ideal for new construction and renovation projects
- 2 tracks: Uw 1.4 W/m2.K (double glazing 4 / WE 20 argon / TBE 4) + Scw 0.55 + TLw 68%.
- 3 tracks: Uw 1.4 W/m2.K (double glazing 4 / WE 20 argon / TBE 4) + Scw 0.56 + TLw 70%.
- Enhanced airtightness and security.
- Patented locking profile to prevent the bimetal effect.
- Reduced aluminum surface sections (central bar 40 mm, lateral bars 66 mm).
- Simple and quick installation with fewer accessories required.
- Tailor-made manufacturing with exceptional quality, performance, and price ratio.

A pioneer in European window manufacturing
K•LINE understands the importance of natural light in daily well-being and introduced the hidden sash, maximizing glass surface area by 15% compared to traditional windows—a hallmark of our commitment to luminous spaces. With innovation at our core, K•LINE combines high insulation, light, and design in a minimal material. Its attention to detail and quality craftsmanship ensures optimal performance, transforming windows into decorative elements that enhance property value.
As a pioneer in European window manufacturing, K•LINE offers a connected window concept that improves home living through health benefits, energy efficiency, air quality, and safety. K•LINE is the right choice for professionals and individuals seeking quality, slim, and colorful window products, making innovation accessible to everyone, with a focus on aesthetics, comfort, and light.
