or security door locks with single point locking, or three point locking systems can be repaired.
You can have the same key to work all the doors.
come in single point locking & three point locking as well.
The main brands of locks used in Australia are
Whitco, Lockwood, Austral, Bradman’s.
Whitco is the go to brand in screen doors and sliding doors.
with a life expectancy of about 10 years with everyday use.
Whitco MK2 is the most common screen door lock
Value for money
Last many years
Kid resistant
Whitco MK3 is the newer style of the MK2
It is a little bit more expensive
Also last many years
Austral sliding screen door lock.
There are good & bad points. If you have a single point locking system on a sliding door, it’s better to get a whitco Leichardt. If three point you must stick with the same lock.
Screen door cylinder (Barrel) it is so important to install this cylinder to provide security. This uses a proper key. The small cylinders (cheaper) ones provide little security, you may as will leave the door open.
Whitco Leichhardt is used for sliding screen door. This is the most common lock used for sliding screen doors & often used in 3 point locking systems
One of the better sliding door locks, but will not last for ever.
Lockwood screen door lock.
Quality is good but someone had an off day designing a hook bolt for a slam shut door lock. Yep it works but seriously!! Not in the real world. After time the customer needs to use the handle every time to close the door. Annoying
Dr Lock shop has all the screen door locks & parts here
There are other brands of security screen door locks, but at the end of the day people just want it to work & keep on working.
If you have a three point locking system ( This is 3 bolts or catches that lock into the door frame) you need to stick to the same brand of lock, as the three point locking system will not work with other brands & often you need to stick to the same model of lock as well.
But if you have just the lock with no other locking catches or bolts locking into the frame, you have options.
The two best picks are the Whitco MK2 for a normal hinged door or a Whitco Leichhardt for a sliding security screen door.
It’s a real must to upgrade the lock barrel to the more secure one. As picture above. They don’t cost much more. No point having a security door if a kid can open the the lock with the standard barrel. Pointless.
This video show you how to check your screen door lock.
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