Double Door Locks

Double locked doors are often used by people who want double security for their home, most often since the majority of burglaries take place during the day when people aren’t home. Here’s SOS Locksmith’s guide to double locks, illustrating the supreme security benefits that they offer homes.

Additional Security

If you live in an area with high amounts of crime, installing a double lock can really give you some of the added protection that it needs. Double locks will force burglars to take more time trying to pick or break through an additional lock, which acts as both a deterrent in the first place, and a major hinderance. Remember, that if you have double locked doors, that you need to protect all windows closed and locked as well.


Always install a high quality lock

Two shoddy locks won’t make much of a difference. However, if your door is fitted with two locks of a high quality, it will really offer your home a massive level of protection that is simply unbeatable. A quality deadbolt is made of hardened steel, and in a double layer can prevent even some of the most seasoned burglars from being able to enter your home.


Less Insurance Cost

Insurance companies often request homeowners to install double sets of locks, and if your home does suffer an unfortunate breakin, there’s a higher chance that the insurance company will compensate you for lost property when they can see that you’ve protected your home with double locks. Additionally, your insurance premiums will be much lower when you install two locks.


Less Fire Risk

You can lessen fire risks by installing a pair of single bolt locks that require a key to lock from outside, but can be easily opened from inside through a twist doorknob. While you might lock yourself outside, these locks add both security and fire safety to your home, preventing people from coming in, but also allowing you to conveniently leave whenever you want.


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Common types of commercial door locks

Are you seeking out a lock for your commercial business? It’s important to keep in mind that the wide range of locks that are commercially available boast a range of different features, and are all of different quality and efficacy. Before you purchase your lock, you’re going to want to be certain of the location where you are placing the lock, and exactly what kind of lock you’re seeking. Here’s SOS Locksmith’s short guide to the 7 most common kinds of locks available for commercial businesses today.



This brand makes both keyed and keyless locks, with a wide range of both home and office security solutions. Schlage locks are tampering resistant and durable, with switchable customizable keyways.



This company is focused on commercial security, and makes locks that are highly durable. They offer a wide range of lock types including keypad locks, and work along with ASSA Abloy to create impenetrable security solutions for commercial properties.


Corbin Russwin

This brand is a favorite among schools, government buildings, and other facilities that handle a large degree of public traffic. They can be easily installed, and are tamper resistant – with a curvy, attractive design that complements any aesthetic or decor.



This fashion forward brand offers both traditional and contemporary hardware in a range of aesthetics from warm to cold and futuristic. They manufacture everything from keyless entry systems, classic door knobs, pocket door locks that are hidden, or even levered door opening systems.



This lock company makes devices for high traffic areas such as schools, hospitals, and health care facilities. They create keyless entry systems, traditional keyed entry systems, automatically locking keypad systems, and remote fob lock control. Each Sergeant product includes an assortment of complimentary hardware that can maximize utility and convenience.



This brand created the Smartkey, one of the latest locksmith innovations that allows for owners to easily rekey all locks by themselves – which saves a great deal of money. If you’re working in a situation that has a high amount of employee turnover or people constantly coming in and leaving, this brand is a great choice, as it allows for temporary codes to be given to allow building access at single, specific moments – not to mention their extremely durable, bump proof, and pick resistant locks.


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