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.