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What locks should I have on my wooden French windows/ double doors?

Different insurance companies have different requirements regarding French windows / double back doors. Some ask just for a 5 lever British Standard BS3621 mortice lock fitted to the first opening door (leaf), either a sashlock or a deadlock. A sashlock is a lock which has a latch as well as a bolt and works with a pair of handles and a key from both sides. A deadlock is just a bolt and is key operated from both sides. On the second opening door (leaf) they ask for key operated bolts fitted at the top and bottom of the door. Other insurance companies require you to have key operated bolts at the top and bottom of both doors as well as any lock, 2 or 3 lever deadlock or sashlock normally in the middle of the door. Lastly your insurance company may require you to have both a 5 lever British Standard BS3621 mortice lock and key operated bolts fitted top and bottom of both doors (leafs).


Category: Choosing Door Hardware
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