The Invisible Wall MODULAR outswing casement and awning system with minimal sightlines of 7/8" relies on structural glazing to meet architects' aesthetic goals in connecting interior and exterior spaces. The minimum sightlines allow for increased areas of glass that can be installed and maximize the view. The frame is designed to be hidden from view, providing an invisible window system and opening between the interior and exterior finishes. The MODULAR outswing windows are available in various standards are customizable. They are thermally broken and tested.