Can I install a keyed lock in my sliding patio door if it didn't come with one?Roger E., Katy, Texas You have two options: You can get a general retrofit kit from an outfit like Swisco.com (it ...

Yale Locks & Hardware brings the security and convenience of its keyless electronic locks to additional products with the launch of the Yale Assure Lock® for Andersen® hinged patio doors.

A more aesthetically-pleasing alternative is to use a patio door lock. The locks, which start at $8, work like a deadbolt to lock the sliding door in place. Some also let you lock the door a few ...

These are the models at risk - and the simple thing you can do to protect yourself - Patio doors can be protected by fitting purpose-made locks or a security bar. Talk to a locksmith for advice.