Multi-point locking systems are now commonly used and are found mainly on UPVC doors. A multi-point locking system has a minimum of three locking points that all lock simultaneously with the turn of a key. Cylinder locks are a common type of lock found on doors.
You would need to check with your home insurer whether this type of lock is acceptable as some types of cylinder locks are vulnerable to a technique known as lock snapping. Sliding patio doors may be referred to specifically in a policy as the lock requirements will slightly differ from that of a standard door. Sliding patio doors can be vulnerable as they can be lifted off their runners. Commonly used on external doors, including French and double doors. Your policy may specify that key-operated security bolts should be fitted to the top and bottom of the door.
Closed shackle padlocks are more difficult to attack and the design of this type of lock helps prevent bolt cutters and saws getting to the shackle, which is the most vulnerable part of a padlock.
Straight shackled or shutter padlocks are often used for locking shutters, gates, barriers and chains.. Long shackle padlocks allow for more flexibility, but they are easier to disable as the shackle part of the lock can be easily attacked with a saw or bolt cutters. A guide to lock types 1.
So long as the lock has been independently tested and meets security standards, then you can be certain that — and based on the advice of your locksmith — that your door lock is the right one for your doors. A lock that meets the safety requirements of the BS, and could be a nightlatch lock or mortice deadlock. Please remember that a non-tested nightlatch used on its own will not secure your business and could be open to theft and burglary. If you are unsure, speak to us and we will help you find the information in your insurance policy.
If your composite door has been tested to PAS 24 and carries a Secure by Design certificate, then the lock has been tested to a very high level of attack so new locks are not needed. If the door is untested then changing the locking cylinder to a Sold Secure SS Diamond cylinder or TS 3 star cylinder will prevent locks being broken and burglars gaining forced entry.
Is it time to upgrade your business insurance? Get a Quote. Number of Levers Engraved — Faceplate should state the number of levers the lock has. Standard Number Engraved — The Faceplate of the lock will state the standard number e. Image Source: Master Locksmith Association Key-operated Window Locks We always strongly recommend fitting your windows with key-operated window locks, which can be fitted to the top or bottom of a window, or on the handle that closes the window.
Push paddle locks: Where you push in on the metal lever to open the door. These deadbolts have one primary weakness. If access to the inside is possible via a nearby window or even through the peephole using simple tools , the door can be opened using the thumbturn.
A double cylinder deadbolt uses a key cylinder on the inside and the outside of the door to solve this issue. These have the clear disadvantage of always requiring a key to open the door from the inside if it is locked.
This can pose a significant problem in a fire or other emergency situation. If used in a residential situation, it is strongly recommended that a key is left on the inside when people are present to ensure a safe exit in an emergency. The final type of deadbolt is a hybrid between a single and a double deadbolt, and is called a lockable thumbturn. It features a thumbturn on the inside that works like a normal single cylinder deadbolt, except the thumbturn can be locked using a key so it cannot lock or unlock the door.
This means in a residential situation, the thumbturn can be left in an unlocked position while people are inside the house, and it will operate exactly like a standard single cylinder deadbolt. When everyone is leaving, especially for extended periods of time, the thumbturn can be easily locked so that even if someone has access to the door from the inside, the deadbolt cannot be unlocked.
This type of deadbolt provides maximum flexibility and security in most situations. All deadbolts that we sell are rekeyable, however, products from some vendors are easier to rekey than others.
Knob Locks Knob locks are frequently installed in residential situations on exterior doors in addition to deadbolts, and are sometimes used as the primary source of security for doors. First and foremost, it should be said that knob locks should virtually never be used for security on external doors. The problem lies in the fact that the lock cylinder is in the knob itself and not the door. In almost all setups, they can be broken off the door with a hammer or bypassed using pliers or a wrench behind the knob, completely bypassing the locking cylinder.
If you currently have knob locks, consider replacing them with simple passage knobs as it will provide almost as much security as long as you are using deadbolts on the same doors. When purchasing complete knob setups it is important to ensure the proper handedness and backset. Lever Handle Locks Lever handle locks are frequently used for inner doors in commercial settings.
They are easier to open than knob locks as they have a large push down style handle rather than a knob that one must grasp and turn. Frequently when handicap accessibility is important lever locks are used.
Our lever handle locks are ADA accessible and can be changed between left and right handedness. Levers can frequently be the target of torque attacks excessive pressure applied to the handle to try and force the lock. Some levers are "clutch" levers meaning if they are forced they just turn rather than apply pressure to the lock. Cam Locks Cam locks are used in a variety of applications but are most frequently found in filing cabinets, mailboxes, and lower security OEM applications.
They can rotate clockwise or counter-clockwise and the amount of rotation can be limited to 90 or degrees. Rim cylinder locks are generally used in rim latch locks which are mounted on the inside of the door. Rim cylinder locks always have a long metal piece extending out the rear of the lock that runs through the door into a locking mechanism on the opposite side of the door. Rim locks are held in place by two screws from the inside that screw into the back of the rim cylinder.
By contrast, mortise cylinder locks are threaded and actually screw into mortise hardware that is mounted within the door. They are held in place by a set screw and utilize a cam to actuate the locking hardware. Mortise cylinders come in several different lengths and there is a large variety of options for the cams depending on the exact mortise hardware they are being used in.
Euro Profile Cylinders Euro profile cylinders sometimes called DIN cylinders are frequently used in locking devices in Europe and other parts of the world. They are also used in North America in some sliding glass door locks and room dividing doors.
They come in several varieties: single cylinder one sided , double cylinder locking cylinder on each side , and single cylinder with thumbturn locking cylinder on one side and thumbturn on the other. The euro profile cylinder is a fairly standard form factor. The exterior and optionally interior lengths do vary, but the rest of the dimensions are fairly standard.
Euro profile cylinders are held in place by a single screw that runs through the middle of the cylinder in most applications.
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