Yes, but it requires a proper structural review first. The type and size of your door directly impacts the framing and support needed and the building manufacturer must know the door type and dimensions before any structural modifications are made. The moment you enlarge an opening, change the header, or alter a load-bearing element, you’re into permit territory in virtually every Canadian province. Adding a door to an existing building without a structural assessment is one of the most common and costly mistakes shop owners make. Metal Pro can assess your current structure and engineer the opening correctly from the start.