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.
Full length upvc door lock.
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.
15 jul 2016 03 23 00 by cheap locks locks upvc door lock identifying your upvc or composite door lock can be a difficult task.
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Multipoint also known as full door locks or bolts are usually installed in upvc plastic doors.
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.
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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When your upvc door or window lock gets jammed it normally is a result of a defective lock mechanism.
Jammed lock or lock is stuck.
Multipoint locks have been primarily used on upvc doors although occasionally and more recently they re being fitted to timber and composite doors.
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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.