The door drops or moves over time and ends up moving the locking points to the point the door doesn t lock anymore.
Upvc door lock not turning.
Door not locking properly stiff handle when lifting up.
If the handle has been feeling a bit stiff and the key wont fully turn any more chances are that your upvc door locking bolts are not fully throwing because the door is out of alignment.
Cold weather upvc door lock won t lock or shut properly 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.
When upvc patio door is open i can lift the handle and turn the key to lock and turn key about 400 degrees clockwise before.
Leaving home pushed the external lever up heard a snap and the multi point locking system did not engage and extend out.
Houses with door lock problems due to weather the hot and cold weather can cause issues with your doors.
Almost all upvc doors are made up of two locking parts a cylinder lock where you put the key into and turn and a multipoint lock that you engage by lifting the handle or on really old models repeated turns of the.
Not only is this a inconvenience but if your the wrong side of the door and don t have access to another entrance your locked out.
Lift external handle but wont engage multi point locking system and key wont turn.