We offer several 40" x 96"(3'-4" x 8'-0") doors. You can customize Double Door even more to achieve a great size for your project at low price from US Door & More Inc because custom size is our nitch.Making a distinctive project is now more accessable than ever with our substantial collection. chat with our experts now to get individualize assistance. Please find the information about the rough openign dimension requirment on addtional information or chat with our experts as dimensions for these doors are nominal.