Install a latch plate on top of the latch.
Installing door thumb lock.
A professional locksmith can install a new deadbolt for you in a matter of hours.
Insert the exterior part of the lock into the door by feeding the long metal piece through the opening in the center of the bolt.
If your latch came with a rectangular plate and you need a round one or vice versa take measurements of your latch plate.
Insert the new bolt into the opening on the edge of the door and fasten it to the door with the provided screws.
In case you require to replace an old thumb turn lock it will be easier to purchase a new bathroom lock remove the existing hardware and alter the holes if need be.
Place a wedge at the bottom of the door to keep it in place.
If you want to install a bathroom thumb turn lock on a new door continue reading our guide below.
Depending on the door mortise the hole that the latch sits in the latch plate may be round or rectangular.
Purchase a door stop or professional grade door wedge from a local hardware store or from an online retailer.
Fit the wedge into the bottom of the door as close to the wall as possible.
Bathroom thumb turn handle.
Installing a new deadbolt lock can improve your home security especially if you think your current lock system has been compromised or there are unaccounted for copies of your house keys in circulation.