Door screen door folding door the door-accordion door kit company “Optima”. “Grace” (38 Series). – 17 models – 3 color options: Oregon acacia ash. – 4 layout options casings – Model doorframe split: naliyaniki quarter box (each of these elements integral) – Easy and constructively the right fit for the perimeter and depth of the opening. – Doors are anchored along the axes of the opening and hinges. (Description of the process “in line 2” in the enclosed “readme&quo