Clean Lines Design Flexibility for Unique Applications


Narrow Framed Folding System Providing Ultimate Versatility

Enhanced Design Options

NanaWall SL45 features all the standard configuration options of a folding glass wall plus so much more. This top-hung system is capable of unlimited widths and many specialty design options that allow you the freedom to operate beyond a typical straight wall design.

See Standard Configurations


Proprietary technology allows folding panels to stack 180-degrees to plane of the opening providing a true breakthrough in the folding door industry. With FoldFlat, the panels fold and then pivot all the way back to stack out of and parallel to the opening.

  • Full 180° Movement
  • Expanded Point of View

Learn More

SL45 Folding Glass Walls

Unique Capabilities

SL45 can create open corner designs without the need of a meeting post and features unhinged paired panels for the widest openings—offering more control of where you can stack the doors when opened.

See Specialty Configurations

SL45 Folding Glass Walls- cornerless

Special Solutions


Options Include:


play video


play video

SL45 Folding Glass Walls-features an all aluminum design

All Aluminum, Narrow Sightlines

The NanaWall SL45 features an all-aluminum design for low maintenance finishes and minimal sightlines that form a picture frame like appearance. All folding and locking hardware is integrated into the profiles for a clean look. There are no surface mounted hinges.

SL45 Folding Glass Walls -Commercially Rated Swing Door


NanaWall SL45 has been independently tested for air and water penetration resistance, structural deflection, and forced entry. Also with NFRC rated, certified and labeled thermal performance.


Commercially Rated Swing Door

The SL45 swing panel has been engineered for "normal" commercial traffic and has been independently tested to half a million opening and closing cycles.

Operable Storefront

SL45 Folding Glass Walls -performs well in unprotected areas exposed to weather

Full Exposure

NanaWall SL45 performs well in unprotected areas exposed to weather, and wide spans of operable glass make it a better alternative to fixed storefront solutions.

SL45 Folding Glass Walls -FlexSpace visibility in interior school application

NANAWALL Flexspace

NanaWall SL45 offer flexibility, natural daylight and visibility in interior school application. Classrooms turn into adaptable multi-functional spaces and when closed, the SL45 provides acoustical buffering for privacy.

SL45 Folding Glass Walls -Office Interiors

Office Interiors

Unlike traditional glass wall partitions, SL45 not only provides transparency but also flexibility and sound control within workplace interiors. Sound-rated SL45 has been acoustically tested to meet up to STC 35.

Learn More About SL45
Acoustical Performance

Learn More About NanaWall
Sound Control Solutions


SL45 Folding Glass Walls -Concealed Locking

Secure / Single Hand Operation

Concealed multiple point locking operates easily with a turn of a handle. The top and bottom shoot bolts between each folding pair of panels have a full one inch (24 mm) throw. No surface mounted flush bolts.

SL45 Folding Glass Walls-features an all aluminum design

Continued Long-Term Satisfactory Operation

Smooth sliding and folding operations are assured even when dirt or debris might collect in the bottom track. State-of the-art hardware is used with patented, sealed, ball bearing running carriages. Compensation and adjustment features provide long-term ease of operation.

SL45 Folding Glass Walls - Dual Independent Roller Axles

Dual Independent Roller Axles

The unique dual roller, top-hung design makes many of the specialty design features of SL45 possible. The main weight of the system is carried by the head track. The bottom track is a guide.

Quiet and Smooth Top Bottom

Our sound-free roller material remains smooth and round even when stationary for long periods of time and resists extreme temperatures.

SL45 Folding Glass Walls -track

Design Flexibility

The designer has flexibility with custom sizes and double and triple glazing choices; floor tracks that are for various applications and weather exposure; a large selection of muntin and SDL layouts; and details such as horizontal mullions and kick plates or other custom layouts.

SL45 Folding Glass Walls - handle

Large Openings Are Possible

Openings can range from as few as two panels to as many as twelve panels and can be as wide as 43’ (13 m). With the addition of paired panel sets, widths can be unlimited.

SL45 Folding Glass Walls -Optional Stainless Steel Hinges

Optional Stainless Steel Hinges

For applications near the ocean, stainless steel hinges are designed to resist salt-air environments.

German Engineering

NanaWall systems are designed in Germany, providing world-class quality and long-term reliability

Unique to You

Each NanaWall system is custom made to order based on your project and your personal preferences

Wide Openings

NanaWall folding systems can replace walls or doors up to 39’ wide, select systems can go even wider if desired

Built to Perform

NanaWall systems meet or exceed air, water, structural, and forced entry tests for weather, durability, and security


NanaWall systems offer a variety of material options and finishes to coordinate with any design

Ease of Operation

NanaWall systems offer single-handed operation and move smoothly with little effort

Download our brochures or place an order for printed ones.