High Velocity Hurricane Zone Approved


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

Miami-Dade Approved

The NanaWall SL73 has passed the most rigorous testing designed for windows and doors to be used in hurricane zones. Areas that require protection from water penetration or are located in mid-rise buildings, the NanaWall SL73 is designed to perform.

Forced Entry Rated and Dynamic Water Performance

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

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.

Learn more



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.

Learn more

Download our brochures or place an order for printed ones