This deadbolt has a thumb turn on the inside of the home but no indication no keyhole on the outside of the home.
Security locks for french doors.
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Deadbolt locks on the doors should have at least a 1 inch throw and mortise locks are typically stronger than typical bored locks.
Sumnacon 2 pcs door flush bolt 8 inch concealed security door lock for french doors composite doors wood doors double doors dummy doors brush stainless steel finish prime line mp4914 surface bolt 8 in steel brushed chrome finish heavy duty construction 1 set.
Three point locking mechanisms are best for french doors.
Half deadbolt installed on french dooranother big boost in french door security comes from eliminating the flush bolt.
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A deadbolt lock will will give your double doors greater protection than a latch or rim lock ever will.
Install a home security system.
The type and quality of lock that you have on your french doors plays a big part in making the doors as secure as possible.
This can be accomplished with a three point locking mechanism which allows the top and bottom to be locked simultaneously or with the use of double cylinder vertical deadbolts which will lock the two doors together.
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French door locks and the security of your french doors.
Locking both the top and bottom of the doors will significantly reduce the weak point in the middle.