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Most Innovative Patio, Multi-slide or Multi-Panel Door 2022

NanaWall Generation 4 Folding Glass Walls 

multi-slide door

The Product

Generation 4 Folding Glass Walls is a platform of eight different systems designed to meet requirements for a wide array of project types, all with similar aesthetics, features and performance, for both interior and exterior commercial and residential applications. Generation 4 is available in aluminum, solid wood or clad material, and offers multiple sill and hardware choices.  

Technology developments include a multifunctional thermal break design offering a slim, energy-efficient bi-fold door. The panel stacks can move to either side of the opening, which enables unlimited widths. 

What the Judges Say

  • Hardware and the amount of light is impressive.  

  • Engineering and building a huge door system and utilizing a water-resistant sill proves this innovation. 

  • Nice clean design with the folding door approach. 


Rachel Vitello

Rachel Vitello

Rachel Vitello is the Assistant Editor & Researcher for Window + Door and Glass Magazine.