Safety innovations complete deluxe bi fold door lock 2 pack made from unbreakable clear polycarbonate.
													
																	How to lock a bifold door with key. 
									
	
		
	
																	Mark the door at the locations of the screw holes in the lock with a felt tip marker. 
																	The lock body itself should cover the folding portion of the lock. 
																	Set the lock aside. 
																	That will prevent the door from being opened i e. 
															
													
									
	
		
	
																	A normal latch on the door frame probably wouldn t hold. 
																	Short video showing how to use my 3d printed bi fold door lock. 
																	1 16 of 268 results for bifold door lock with key amazon s choice for bifold door lock with key. 
																	For a simple single bifold door lock consider using a padlock. 
															
													
									
	
		
	
																	4 7 out of 5 stars 2 067. 
																	So if you just want a deterrent you could use a baby proof bifold door lock. 
																	I actually invented this bi fold door locks only to find out that it was painfully unoriginal. 
																	Get it as soon as thu sep 24. 
															
													
									
	
		
	
																	Install a hasp so that one end sits on one side of the folding section and one sits on the other. 
																	It s just a little plastic thing that slips over the top of the door at the hinge part so that the hinge can t bend. 
																	Install 3 inch long surface bolts at the upper portions of the edge bands of the innermost doors one at a time. 
																	A bolt going upwards only works if you are tall. 
															
													
									
	
		
	
																	A lock across the middle hinge sounds like it would rip out in seconds. 
																	Insert a padlock through the hasp to keep the door locked except when opened with a key. 
																	For reasons of space i want to replace our inward opening bathroom door with an inward opening bi fold door this sort of thing but i can t think how to add a lock to it. 
																	So i while making a couple for my sister in law i decided. 
															
													
									
	
		
	
																	A hook and eye arrangement doesn t sound. 
																	There s no effective way to lock a bi fold door as david said you can just lift a bifold door and take it off the tracks.