When your upvc door or window lock gets jammed it normally is a result of a defective lock mechanism.
Full length upvc door lock.
They are long thin and have several small locks these comprise of a central locking mechanism and additional locking devices such as hooks deadbolts pins rollers and mushroom cams which go up the length of the strip.
The locksonline bo600 bo800 is a combined magnetic lock and pull handle designed to fit vertically at the doors edge and offers phenomenal holding force protection utilising multi positioned maglocks for far superior strength over and above that of a standard maglock setup.
Multipoint also known as full door locks or bolts are usually installed in upvc plastic doors.
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Multipoint locks have been primarily used on upvc doors although occasionally and more recently they re being fitted to timber and composite doors.
There are 2 main mechanical parts to its lock the euro profile cylinder and the multi point locking system.
There are many different brands on the market and identifying your replacement multipoint lock can feel like looking for a needle in a haystack.
If you are new to buying replacement door lock mechanisms for upvc doors please take some time to view our identifying guide.
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Measuring a upvc multipoint door lock mechanism two vital measurements to check are the pz sometimes called the centre size and backset sizes as shown in this lock case diagram.
You will also need to check the various dimensions between the locking points try to match these up with the technical drawings on the product pages.
Jammed lock or lock is stuck.