Stellar Inline Sliding Door System

The Stellar Inline Sliding Door is where slimline aesthetics and intelligent design combine. With a stunningly slim aluminium profile and an interlock of just 35mm, frames sit wonderfully unobtrusively. And with sashes that can be up to 1675mm wide, the Stellar Inline Sliding door opens up endless possibilities, creating bright, airy spaces and unrestricted views.

Product features

  • U-values as low as 1.4W/m2K (double glazed)
  • U-values as low as 0.9 W/m2K (triple glazed)
  • Multipoint locking
  • 2, 3 or 4-pane layout
  • Flush door appearance
  • PAS 24 security as standard
  • Weather performance to BS6375-1
  • ​Pre-inserted gaskets
  • ​Internally beaded system with patented knock-in beads
  • Meets new Part L requirements for thermal efficiency.
  • New thermal break technology

    The special polyamide thermal break technology delivers a highly thermally insulated bifold that achieves a U-value as low as 0.95 W/(m2K).

    • Special polyamide
    • Under glass seal
    • Tailed glazing gasket
    • Frame centre seal

    Designed to meet Part L requirements, improve insulation and weather protection without the use of foam.


    When you want to put all the attention on the view and create a striking style statement, the Stellar Inline Sliding door is the answer. The system has been purposely designed to maximise natural light diffusion and deliver next-level aesthetics for today’s modern interiors. It’s available in 2, 3, and 4-pane configurations with a maximum total width of 6500mm, so it offers design flexibility to support all architectural requirements.

    Efficient performance

    As you’d expect, the performance of the Stellar Inline Sliding Door is impressive. Its innovative thermal break technology means the door meets Part L thermal efficiency requirements of Building Regulations with standard 28mm double glazing. Its outstanding weather performance and security testing credentials uphold the quality of the Stellar Inline Sliding Door.

    It’s also fabricator friendly with a direct glazed fixed light, eliminating the need for a fixed dummy sash, reducing fabrication time and improving manufacturing efficiencies. And thanks to its pre-gasketed, knock-in beads, installation is quick and straightforward, whilst providing a neat high-end finish on the gasket line.


    Our range of threshold options can meet various access needs. Some can be set into the floor, for an almost seamless transition. There are options designed for wheelchair access, and for exposed locations deeper thresholds channel water away from your home.
    Like all products in the Stellar range, the Inline Sliding Door comes with a 25-year surface guarantee as well as a 10-year mechanical and hardware guarantee. It’s easy to live with and promises a high-end finish every time.

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