When the door is closed and you lift up the handle the hook bolts are thrown into their keeps in the doorframe.
Composite door handle wont lift to lock.
If your upvc door handle won t lift up to lock the door this is a problem locksmiths deal with on a daily basis easy to fix for a locksmith specialising in upvc door lock repairs.
Cold weather upvc door lock won t lock or shut properly.
Patio house french doors and then.
If you re having trouble locking your door you may need to have a look at part of the door that s referred to as the snib.
But that should be all.
Now you need to close the door and lift the handle this should also be smooth perhaps a little resistance as the door compresses against the seals.
If it s not in this position lift the handle and push it.
By turning the key in the cylinder whether from the inside or the outside you are locking those hook bolts into the positions you can see above.
The reason your upvc handle will not lift up or go down is usually not a problem with the handle itself but a problem with the door or faulty locking mechanism.
Upvc door gearbox this is is the part of the locking mechanism which operates all the hooks bolts and rollers on the multi point strip.
If it s the lock that s the problem.
Cold and freezing weather will cause a upvc door to not lock or close properly this is due to contraction of the upvc the shrinking can only be 1mm o r 2mm but is enough to stop your door from locking.
The second reason why a upvc handle wont lift to lock the door is caused by a broken gearbox.
If it is stiff to lift then eventually the lock is going to break.
Hot warm weather upvc door lock won t lock or close.
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How to remove false mullion from a upvc door and fix a broken handle.