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How do interior french doors latch.
For an interior french door you will want to order a passage or privacy function door knob or lever.
French doors use a barrel bolt as a top latch to secure one of the doors.
Interior french doors with bore holes for rooms you would like to be able to lock or just prefer to have a working knob or lever that latches you will want to purchase french doors that are already drilled with a cross bore hole on one side and a latch bore on the other.
The doors latch together instead of to a door frame by virtue of their respective handles.
To have the most security possible it is a good idea to select an exterior french door that is double bored for a handle set with both a locking handle and a deadbolt.
A passage is a door knob that functions but has no type of lock at all whereas the privacy will have a privacy push turn button to lock the door knob in place for privacy.
Unlike interior french doors typically exterior french doors only have one handle set that gets installed on the primary door or the one with your chosen handing.
Jqk closet door ball catch hardware stainless steel catch adjustable with strike plate brushed satin finish 2 pack hbc100 p2.
Lots and lots of doors already come this way with standard door prep.