-Heavy duty 14 gauge steel-Filled up with polyurethane for energy saving-Double pane E glass, tempered and sealed to avoid conditioning leaks-Included weatherstrippings to reduce air infiltration-Operable glass panels that can be opened independently from the doors-Thresholds made to prevent water...

-Heavy duty 14 gauge steel-Filled up with polyurethane for energy saving-Double pane E glass, tempered and sealed to avoid conditioning leaks-Included weatherstrippings to reduce air infiltration-Operable glass panels that can be opened independently from the doors-Thresholds made to prevent water...