"Quite a number of people believe that barn doors cannot be locked. Hence, they offer no privacy. But in actuality, this thought is inaccurate."
"Yes, they do. As long as an interior barn door is fitted with an appropriate fixture, it can be locked. To lock an interior barn door, you need to install a functional lock."
"Where your barn door locks from depends on the type of lock you install on it. Most types of locks only lock on one side.
Can They Lock From Both Sides?
"Different locks are suited for locking barn doors from the inside and the outside. So, when choosing a lock, you should consider where you intend to latch the door from..
If you are storing valuable horse tack inside the room with the barn door, you will have to secure the door from outside.