Hasp on either side of the joint between the two halves of the door.
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.
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.
Insert a padlock through the hasp to keep the door locked except when opened with a key.
Install a hasp so that one end sits on one side of the folding section and one sits on the other.
Slide the lock up until the end of the bolt.
That will prevent the door from being opened i e.
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.
A lock across the middle hinge sounds like it would rip out in seconds.
Set the lock aside.
4 8 out of 5 stars 1 991.
So if you just want a deterrent you could use a baby proof bifold door lock.
A hook and eye arrangement doesn t sound.
For a simple single bifold door lock consider using a padlock.
Install 3 inch long surface bolts at the upper portions of the edge bands of the innermost doors one at a time.
Safety innovations complete deluxe bi fold door lock 2 pack made from unbreakable clear polycarbonate.
I actually invented this bi fold door locks only to find out that it was painfully unoriginal.
A bolt going upwards only works if you are tall.
A normal latch on the door frame probably wouldn t hold.
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.
So i while making a couple for my sister in law i decided to film the making of them for youtube.
The lock body itself should cover the folding portion of the lock.
Short video showing how to use my 3d printed bi fold door lock.