Mortise Lock vs. Cylindrical Lock: Which One Do You Need?
Mortise Lock vs. Cylindrical Lock: Which is Best for Your Door?
When it comes to securing your home or business, choosing the right type of lock is essential. Two of the most common options are mortise locks and cylindrical locks. While both offer solid security, they function differently and are better suited to different needs. Here’s a detailed breakdown of these two lock types, their features, and when you should use each one.
What is a Mortise Lock?
A mortise lock is a high-security locking system that is installed within the door itself, rather than mounted on the surface. It consists of a lock body (or chassis) that fits into a pocket, or mortise, in the edge of the door. The lock typically includes a latch bolt, operable trim, knobs or levers, and sometimes roses or escutcheon plates that cover the lock's trim.
How is a Mortise Lock Installed?
To install a mortise lock, a pocket or mortise is created in the door's edge. Additionally, a hole must be drilled in the door's face to accommodate the lock’s trim and cylinders. Depending on the model and its functions (like privacy or passage mode), further holes may be required. The installation process can be straightforward but may require additional steps based on the lock type.
Why Install a Mortise Lock on an External Door?
Mortise locks are ideal for external doors because they offer a high level of security. With their robust construction, including multiple notches and levers, they are very difficult to bypass. Modern mortise locks come in various sizes, so you can choose one that fits the specific needs of your door. They provide an extra layer of security, especially when combined with other home security components.
In addition, mortise locks are great for homes with children, as some models feature a “passing function,” which allows the door to latch without locking, ensuring safety without restricting access. For commercial properties, mortise locks are often the go-to choice due to their durability and ability to withstand wear and tear.
What is a Cylindrical Lock?
A cylindrical lock (also known as a knob lock) is one of the most common types of locks found on residential doors. It is surface-mounted and consists of a lock body that fits into the door’s edge. The lock is installed through two holes—one for the lock body and the other for the latch bolt. This type of lock can operate independently or in conjunction with a deadbolt.
How is a Cylindrical Lock Installed?
The installation of a cylindrical lock is relatively quick and easy. The installer drills two holes of equal size in the door—one for the lock body and the other for the latch bolt. Installation typically takes around 20 minutes and is simpler compared to the mortise lock installation, making cylindrical locks a popular choice for homeowners.
Why Install a Cylindrical Lock on an External Door?
Cylindrical locks are a practical and cost-effective choice for securing external doors. They are easy to install, replace, and rekey. They are also more resistant to picking or bumping compared to older lock types. While not as secure as mortise locks, cylindrical locks still offer a decent level of security, especially when paired with a deadbolt.
Since cylindrical locks are surface-mounted, they can be easier to replace than mortise locks, making them ideal for people who want a lock that’s easy to upgrade. While cylindrical locks are a great option for residential homes, they may not be as robust as mortise locks for businesses or high-security applications.
Mortise vs. Cylindrical Locks: Which is Right for You?
Security: Mortise locks offer superior security due to their complex mechanism. For high-security applications or external doors, a mortise lock is often the better choice.
Ease of Installation: Cylindrical locks are easier to install and replace, making them ideal for those looking for a budget-friendly option.
Durability: Mortise locks tend to be more durable, especially in commercial settings where doors see heavy use.
Cost: Mortise locks are typically more expensive due to their complex construction, while cylindrical locks offer an affordable alternative for homeowners.
When to Call a Locksmith
Choosing the right lock for your door can be confusing, but consulting with a professional locksmith can help you make the best decision. Whether you're considering a mortise lock installation, a cylindrical lock, or need other door security solutions, working with a trusted locksmith ensures that the lock you choose fits your security needs.
At Sherman Oaks Lock & Safe, we offer expert advice, lock installation, and emergency locksmith services. Whether you need to upgrade your home’s security, rekey your locks, or get assistance with a lockout, our team is here to help. Call us today for a free estimate or for any of your locksmith needs.
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