Marvin Bi-Fold Doors can be configured from 2 to 8 panels. Connect your space to the outdoors. What statement is your door making? The right door can say a lot about a home. That’s why AVI offers a wide selection of door options from Marvin. Choose from sliding and swinging patio doors, scenic doors and more. All complemented by a full variety of hardware finishes and styles, interior wood and endless exterior door choices.