Marvin Ultimate Multi-Slide Doors provide fresh air and an abundance of natural light. Available in sizes up to 50 feet wide and 12 feet high in uni-directional or bi-parting configurations. 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.