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8 Types of Door Locks To Keep Your Home Safe
Ensuring home security is paramount, and a fundamental aspect of this is selecting the appropriate door locks. While property crime rates in the U.S. have generally declined, local conditions and personal habits, such as consistently locking doors and windows, significantly impact vulnerability to burglaries. According to the Aurora, Illinois Police Department, a significant percentage of burglaries occur through unlocked entry points. Eugene Klimaszewski, president of Mammoth Security, Inc., provides an expert overview of various lock types and their optimal applications for enhancing home safety.
The article begins by detailing deadbolts, which Klimaszewski describes as the 'stalwarts of home security.' These come in single and double-cylinder varieties. Single-cylinder deadbolts are recommended for exterior doors, while double-cylinder versions, requiring a key on both sides, are suitable for doors near windows. Deadbolts offer a two-tier security system, often complementing existing knob locks. Their extra-long barrels extend deep into the door jamb, making forced entry with tools like crowbars extremely difficult.
Knob locks are commonly found on interior doors. They typically feature a button or turn mechanism on one side for locking, which disengages automatically when the knob is turned. The exterior side may or may not be keyed. Klimaszewski advises that while knob locks provide basic security, they should always be paired with deadbolts on exterior doors due to their susceptibility to being jimmied open with simple tools. This section also briefly mentions the importance of securing outdoor equipment with robust locks resistant to bolt cutters.
Cam locks, consisting of a keyed lock on the door's interior that operates a flat metal cam, are primarily used for cabinets, mailboxes, and other lightweight applications, according to Klimaszewski. Although easy to install and offering basic security, they are not recommended for entry doors. However, they can provide sufficient security for interior passage doors leading to utility or storage rooms that require locking.
Mortise locks are characterized by their robust and secure design, often found in older homes or commercial buildings. The mechanism is fitted into a deep recess, or mortise, within the door. It operates a locking cylinder that can engage with strikes on the top, bottom, or side jambs. Historically, vintage skeleton key lock sets were a type of mortise lock. Klimaszewski highlights their superior security but notes that their complex installation, requiring a deep mortise, is best left to professionals.
Keyless entry locks, which replace traditional keys with keypads, offer both convenience and security. Users can program unique combinations to retract a deadbolt or mortise lock, or open a knob lock. These are ideal for entry doors and multi-family dwellings, allowing custom codes for different users. Many keyless locks are battery-operated and include an emergency keyhole to prevent lockout during power failures.
Smart locks represent a modern security solution, providing remote access and smartphone compatibility. Klimaszewski emphasizes their utility for all entry points, enabling users to monitor and control locks from anywhere. They are particularly popular among Airbnb hosts, allowing guests temporary mobile access. Smart locks typically integrate with existing deadbolt or knob lock mechanisms and require minimal maintenance, such as occasional battery replacement or recharging.
Euro profile cylinder locks are more prevalent in Europe and are best suited for patio and sliding glass doors. This cylindrical lock set fits into a door opening, with a key or handle rotating a cam to operate a bolt. For sliding doors, a hook mechanism secures the door to the jamb. These locks can be keyed on both sides or feature an interior handle for operation.
Finally, padlocks are presented as a simple yet effective security option. Comprising a U-shaped shackle and a keyed or combination lock body, they are portable and removable. While less aesthetically pleasing, requiring a separate latch installation, padlocks are highly effective for securing gates, garage doors, and utility rooms where appearance is less of a concern. The article concludes by reinforcing the importance of choosing the right lock for each specific security need.
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