Architectural hardware designer and manufacturer Krownlab announced today the introduction of Ragnar, the company’s newest top-of-the-line sliding door hardware system, according to Krownlab founder and CEO Stefan Andrén. “Ragnar is the culmination of two years of research aimed at developing what has become the pinnacle of Krownlab’s product development," Andrén said. “We re-examined our entire design and manufacturing processes to come up with what we believe to be our best system yet.”
Available in Brushed Stainless and Black Stainless finishes, the Ragnar sliding door hardware system features a custom-extruded track and track cover to elegantly sidestep visible fasteners. The track appears to simply float along the wall. And Ragnar’s trolleys use Krownlab’s patented exposed, oversized bearings as wheels for a truly iconic aesthetic.    The Ragnar sliding door hardware system’s high weight capacity also enables virtually limitless design freedom. From doors made of solid wood, to oversized frameless glass, Ragnar works with panels weighing up to 400 lbs., without compromising its effortless ADA-compliant movement. Built into the Ragnar sliding door hardware system are Krownlab’s other recent upgrades:

  • Tru-Level™ System – Allows for a full ½” of total adjustment across trolley and mounting points, even after installation.
  • Field-modifiable track: Track can be cut and drilled with commonly available tools to adapt to even the most quickly changing jobsites.
  • Infinitely adjustable door stops: Door stops can be quickly and easily adjusted to anywhere along the length of the track at any time with a simple Allen wrench.

The Ragnar system has an industry-leading 10-year warranty, backed by rigorous wear trials: Krownlab teamed with LiftMaster to create a testing system that runs 24 hours a day, 365 days a year to simulate the most strenuous installation environment possible. The Ragnar sliding door hardware system is available in single, bi-parting, and bypassing door configurations. Each configuration maintains the simple, modern design. Even in bypassing, the system simply mounts to the wall without using a bracket to support the outmost track, preserving the hovering effect its truly concealed fasteners provide. Krownlab fabricates its hardware in Portland, OR, and sells direct in the commercial architectural interiors market throughout North America. Stefan Andrén, a former product design director for Nike and Motorola, founded Krownlab in 2009 to develop high-quality architectural products that facilitate efficient, creative, and beautiful interior spaces. All Krownlab products feature an industry-leading 10-year warranty, and every component is mnufactured from the highest-quality materials and individually tested before leaving its facility. For more information visit Krownlab’s website at

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January 26th, 2023
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