This simple diy trick may solve your issues.
Patio door doesn t lock.
You might need to prop the door up and tighten its connection to the door frame.
It it doesn t check to be sure the door is properly aligned.
If a patio door is difficult to operate won t lock properly or is loose or drafty make adjustments to the roller latch or strike to fix the issue.
If you replace the latch and your sliding patio door lock still doesn t work correctly use the model information you determined earlier to replace the entire mechanism and install a new lock.
When the door is shut the striker doesn t slip past the striker plate into the receiving hole in the jamb or it goes in but doesn t bottom out preventing the door from locking.
Replacing locks on french doors.
Open the door completely and twist the lock as usual.
In addition to cleaning and lubricating sliding door tracks you want to lubricate the door lock.
If it comes out watch to see whether it connects with the lock catch in the door frame.
Sometimes patio doors become hard to open even when the track is clean.
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Patio doors lead to the outside and have to withstand all kinds of abuse from the weather doors being slammed and being hit with flying objects.
One door has to be shut before the other.
Its a double door with both doors opening outwards.
Prime line sliding glass door handle set 3 15 16 in diecast and wood black hook style internal lock model c 1259.
Free delivery with 45 order.
The best way to lubricate any lock is to disassemble it and use an aerosol lubricant to flush away grime and coat the moving parts of the lock.
The problem lies with the door that has to be locked last.
Open the patio door very slightly and turn the lock.
As a result your patio door lock can malfunction.
Types of door locks for the exterior.
Prime line diecast with wood handle gray patio door handle tee lock keyed model c 1064 27 14 27 14.
It a upvc and about 2yr old.