High Velocity Hurricane Zone Approved


Our toughest folding system, designed to face hurricanes and completely impact-rated

The NanaWall SL73 is perfect for securing common areas and in areas exposed to heavy rain. Both forced entry rated and passing a more difficult water test, you can rely on the NanaWall SL73 when you need it most

SL73 Waialae Country Club Honolulu Hi

Forced Entry Rated and Dynamic Water Performance


SL73 floor track

Reinforced For Mid-Rises

The NanaWall SL73 has achieved design pressure performance making it acceptable for up to mid-rise level exposures. For specific sizes and capabilities, please refer to the performance chart.

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Completely Impact Rated

Many approved systems are limited to outward opening and are not approved for areas that need protection from water. The NanaWall SL73 offers a complete impact rated system, allowing both inward and outward opening systems to qualify, while also providing protection from water penetration.

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Florida Product Approval:



SL73 swing door

Include A Swing Door, Or Two

If you plan on needing daily access, be sure to include a swing door. Take a look at your configuration options and choose one that works best for your design.

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Sl73 doors closed

Sound Control

The NanaWall SL73 featuring a 70mm panel depth and using special laminated glass options, provides one of our best choices for sound control. While delivering peace of mind as an impact rated system, you get an additional benefit of both peace and quiet.

SL73 Rollers


The NanaWall SL73 features reinforced floor supported rollers, within the rolling structural post. This combination allows for high wind load performance and impact resistance. Stainless steel hinges are optional when needed.

SL73 Aluminum Core

Insulated Aluminum Core

The NanaWall SL73 features a door panel depth of 70mm utilizing an advanced thermal strut that provides comfort for all climates and excellent sound control.

SL73 Floor tracks

Floor Track Choices

The NanaWall SL73 features two sill options, a high-performance sill, and the low-profile saddle sill. Both sills help provide security protection from wind driven rain.

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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.