Block the door from the inside by stuffing a sock or a similar piece of fabric under the door.
How to secure a bedroom door from the outside.
Check your existing deadbolt.
Any exterior door that only has a lock in the doorknob isn t secure.
Failing that this person will kick the door until it s open.
The best way to secure a door by strengthening windows is to use window security film.
This plastic can be applied like window tint and keeps the glass from shattering even when there is a puncture.
If the spindle and the outer door handle and door knob are removed your door will effectively be locked.
But there are other methods that can be used to secure a door without a lock such as door wedges and alarms.
A secure entry starts with a solid door and a grade 1 or grade 2 deadbolt with a solid 1 in.
The door is placed on the inside of the frame leading into the room and opens inward to the room.
Even a shoe or a slipper can work if the gap is large enough.
Surface bolts have a latch that slides from the door to a receptacle installed on the door frame.
It keeps the door secure from both sides.
Consider installing a keyed lock with a deadbolt or putting additional security measures in place.
For instance adding a surface bolt can offer security from the inside of the bedroom.
The handle turns the spindle which then retracts the latch to open the door.
I have purchased key locks but this person will either use something to get at the gap between the frame and door to the locking mechanism damaging or breaking the lock.
A sturdy screwdriver or small pry bar can quickly bow the doorjamb enough to release the latch.
The 8 2 steel door security bar is positioned securely on the floor about 8 inches from the door then placed on the doorknob for easy installation.
Long throw bolt see buying a deadbolt.
Even still the thumb turn can be a security issue if that is something you are concerned about.
This is less common on bedroom doors as most do not have windows.