Simulated Divided Light Windows

KC's leading experts in simulated divided light windows in Kansas City, Overland Park, Olathe and the entire KC metropolitan area.

Simulated divided light (SDL) windows offer the classic appearance of true divided lights—with the convenience and performance of modern window technology. At Historic Window Co., we provide architecturally accurate simulated divided light windows for historic homes across Kansas City, Overland Park, and Olathe, KS.


SDL windows replicate the timeless charm of multi-pane windows using advanced materials and manufacturing techniques. Whether you're restoring a 1930s Colonial or replacing deteriorating wood sashes in a mid-century bungalow, SDLs deliver historic style with better insulation, lower maintenance, and improved longevity.

Simulated Divided Light Window Replacement

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Simulated Divided Light Windows in Kansas City


In Kansas City’s historic neighborhoods like Brookside, Valentine, and West Plaza, curb appeal matters. Simulated divided light windows provide an affordable and energy-efficient solution for homeowners who want to maintain traditional styling without the cost of custom TDL fabrication.

Our SDL windows feature:


  • Interior and exterior muntin grids
  • Spacer bars between glass layers for dimensional depth
  • Double- or triple-pane insulated glass
  • Wood, aluminum-clad, or fiberglass sash options
  • Custom sizing and grille patterns to match your home’s period


Each window is tailored to reflect your home’s original design, down to the smallest detail. And our installation team understands the needs of older homes—ensuring a clean, precise fit and seamless finish.

Simulated Divided Lite Options


Not all simulated divided lites are created equal. At Historic Window Co., we offer a wide range of SDL configurations to suit the architectural style and historic period of your home. Whether your original windows featured six-over-six Colonial grilles or asymmetrical Prairie-style patterns, we can replicate the look with precision.

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Available SDL options include:


  • Surface-applied wood or composite grilles
  • Between-the-glass muntins for easy cleaning
  • Spacer bars that replicate true divided depth
  • Custom grille layouts to match original specs
  • Energy-efficient Low-E and argon-filled glass
  • Paint or stain finishes that match existing trim

Our SDL solutions are approved by many local historic commissions and ideal for homeowners who want modern performance without compromising their home’s traditional charm.

Simulated Divided Lite Window Options Kansas City, Overland Park, Olathe KS


Homeowners in Kansas City, Overland Park, and Olathe trust Historic Window Co. for expert advice and precision installation of SDL windows. Whether you live in a 1920s Craftsman in Overland Park or a 1940s stone cottage in Olathe, we’ll help you find the perfect simulated divided lite window option for your space.



We work with top manufacturers and offer both factory-built and custom SDL configurations. Our commitment is to help you preserve the architectural value of your home while adding comfort, energy savings, and long-term value.

  • What are simulated divided light windows?

    Simulated divided light (SDL) windows are made with a single glass unit that has interior and exterior grids, along with a spacer bar between panes to mimic the look of true divided light windows.

  • Are SDL windows allowed in historic districts in Kansas City?

    Many local historic commissions in Kansas City, Overland Park, and Olathe allow SDL windows if they closely replicate the original window style. We work with local guidelines to ensure compliance.

  • What are the benefits of simulated divided light windows?

    SDL windows offer the traditional look of divided panes with modern insulation, improved energy efficiency, easier cleaning, and lower long-term maintenance costs.

  • Can you match my home’s original window grid pattern?

    Yes. We offer fully customizable grille patterns and muntin layouts to replicate your original windows' look, tailored to your home’s architectural style and period.

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