World's very first sliding glass doors system with a wooden profile

By launching the NATURE hardware, KLEIN has developed a new way to create and enjoy healthier and more sustainable spaces. This is the first fully-standardized wooden hardware, and it provides the same ease of installation as all other KLEIN hardware. A unique architectural solution to subdivide spaces, which reinforces our commitment to sustainability and the environment.

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This product can also be purchased through our network of distributors. **
  • Our systems are tested to 100,000 cycles
  • European Design
  • KLEIN® 5 year warranty
Technical file NATURE
Organic, light and warm. Emotionally relaxed. A front-row esthetic and natural sustainability.

A unique, different and emotional system that upholds the highest international sustainability standards.

Downloads and technical Information

Installation types


Product details

  • - Cradle To Cradle certified product
  • - New clamp: centralizes all the system’s features, including height regulation, activation of the braking mechanism, and the anti-dismounting device.
  • - Quick, intuitive assembly thanks to pieces that connect the profiles.
  • - Three set-ups available, all with an innovative design:
    • Frameless sliding door and fixed glass
    • Framed sliding door and fixed glass
    • Framed sliding door + unframed fixed glass
  • - 12-mm glass, weighing up to 100 kg per sliding panel.
  • - Height regulation of +/- 2 mm.
  • - Profile made of laminated oak wood with Echo Varnish or Natural Finish options. PEFC wood certification.
  • - Silent, effortless sliding.
  • - Five-year KLEIN® warranty.
  • - Door braking with KSC, Klein Soft Closing: Smooth, controlled stopping.
  • - Design optimized to allow for the easy disassembly of the materials at the end of their lifespan. PVC-free.
  • - EPD Life Cycle Analysis eco-label.


Cradle to Cradle

EPD certificate

5 year warranty

Spanish fabrication certificate

Compatible products

    An aluminum handle that allows two different mounting options: screw-on for wood doors, and stick-on for glass doors.

    An oak wood handle for glass or wooden doors

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