Home security is essential, especially in areas with high crime rates. Broken or rusty latches should be promptly replaced to ensure further residential safety. Repairing an old double-hung window lock is a simple process. It should take a homeowner no longer than 30 minutes, and the result--a more secure home--is well worth the effort.
- Skill level:
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Things you need
- Cake of soft soap
- Medium flat-blade screwdriver
- Center-latch sash lock
- Petroleum jelly
- Cotton swabs
Close the window so that the sashes line up.
Unscrew the side screws, using a screwdriver, to remove the old window latch lock.
Attach the center, latching part of the new lock. Run the screws over a cake of soap before installing them for a clean, friction-free installation.
Place the hook section of the latch in the center of the latch piece. Soap the screws and install the hook, using the screwdriver.
Place a thin layer of petroleum jelly over the hook's gears with a cotton swab to lubricate the latch.
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