Minimum blind width: 9", Maximum blind width (single blind): 78", Maximum blind width (multiple blinds): 100", Minimum blind height: 10", Maximum single blind height: 9" to 11*15?16" width: 84", 12" to 48" width: 120", 48*1?8" to 72" width: 84", 72*1?8" to 78" width: 78", Factory deduction for inside mount: 1?2", Minimum depth required for inside mount: 3?4", Maximum single valance width: 108" inside mount; 106" outside mount. (Continuous valances wider than 96" will be two or more sections spliced together)