How Do You Install A Single-Cylinder Deadbolt Lock?
Adding a deadbolt to an exterior door is a effective way to increase home security. Deadbolts are more secure than traditional lock and knob combinations, because the body of a deadbolt can’t easily be broken and the bolt projects through the doorjamb into the framing. Many jurisdictions consider a double-cylinder deadbolt, which requires a key to open from either side, a safety hazard in case of fire. Installing a single-cylinder deadbolt, which opens with a lever on the inside, is a project a competent DIYer needn’t fear tackling; one that doesn’t require special tools to complete. It isn’t even necessary to take the door off its hinges to do the installation! If beefing up the security of your front or back door is on you to-do list, here’s how. MEASURE: Before you buy a lock, make two measurements. Locks fit a specific range of door thicknesses, so you’ll need to measure the door front to back. This is usually about two inches, but may be more on old or ornamental doors. Also measu
