Glass Walls Windows

Folding Windows

Horizontal accordion-style windows with flexible sizing

  • Accommodate small openings or large walls of windows
  • Available in aluminum, wood, and aluminum clad frames
  • Superior weather performance and energy efficiency

Operable Accordion Window Systems

NanaWall folding windows offer the same design principles as folding glass walls with narrow frames, high performance, and easy operation.

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Versatile Styling and Finishes

Customize your folding windows with aluminum, wood, or aluminum clad frames. Choose from diverse colors, finishes, and simulated divided lites to personalize or match existing aesthetics.

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Exceptional Weather Performance

Designed with long-lasting durability, NanaWall accordion-style windows offer advanced weather protection and energy efficiency, ensuring year-round comfort in any climate.

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Smooth Operation and Durability

Alongside smooth, single-handed operation, our folding windows meet or exceed industry standards for air infiltration, water penetration, structural performance, and forced entry.

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Unlike traditional sliding windows, accordion-style systems make full use of the opening rather than restricting the space to only half of the opening.

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Standard to our folding windows is a two-point locking mechanism consisting of a top and bottom locking rod for added security and peace of mind.

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We engineer independently-tested hurricane impact systems for air infiltration, water penetration, and structural load with excellent results. Our Miami-Dade approved SL73 is the impact-rated solution for high-velocity hurricane zones.

Matching Window Door Combo

Achieve unparalleled flexibility with a customizable window door combination. Folding windows can be paired with full-height folding glass doors with matching frame styles for cohesive design and optimal functionality.

Maximize counter space with a functional pass-through window ideal for entertaining and al fresco dining, and to capitalize on the indoor/outdoor experience.

Explore Window Door Combinations
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Explore Folding Window Projects

Find inspiration for your next project in these striking commercial and residential accordion window applications.

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Get Help With Your Window Project

Connect with NanaWall experts to answer your questions and discuss how we can support your glass door and window project.

(866) 210-4285
Monday - Friday: 7 AM - 5 PM PST

Get Support
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Folding windows in a house covered with green vines, overlooking a scenic landscape with mountains in the background on a sunny day.
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