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Lignuma

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Slim frames, natural design, and customizable color options for interiors and exteriors – Optiwin’s Lignuma Passive House window system combines durability and low-maintenance with Passive House standards, certified by PHI Darmstadt. This passive-house-certified wood window system merges the best of nature and technology, offering numerous customization options to suit your needs.

Fall Protection
Burglary Protection
Energy Efficiency
Child Safety
Ecology & Sustainability
Soundproofing
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Variants outside

Lignuma modern exterior
Lignuma classic exterior

variants inside

Classic with visible hardware
Classic with concealed hardware
Modern with concealed hardware

Griffe

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Accessories

Window grilles for the interior side
Window sill exterior
Window sill interior

technical details

  1. Triple Glazing
    Ug 0.5 – for maximum insulation value
  2. Spacer
    Psi 0.023 – prevents condensation
  3. Frame Insulation
    For optimal insulation and design
  4. Additional Insulation
    For enhanced insulation performance.

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