How To Install Double Cylinder Door Lock

A double cylinder door lock is a type of security device primarily found on residential doors.

How to install double cylinder door lock.

There s a reason people want to equip their homes with double cylinder locks. Replacing a euro cylinder or upvc door lock a simple guide from www fastkeys co uk additional info step 1. Instead the door is locked or unlocked using a thumb turn style lever. Open front door to reveal the face of the lock.

These locks require a key to lock or unlock the door both from the outside and the inside making them a little safer in one regard. Single cylinder deadbolts entry knobs and handlesets are operated with a key from the outside but do not require a key for locking or unlocking from the interior of the property. This is the easiest way to rekey your door if you re giving the cylin. If your new deadbolt has a concealed screw for the interior door knob consult the installation instructions for your specific lock.

Choose a position on the door for the lock. Single cylinder locks are more common than double cylinder. Calling a locksmith out for this how to install a deadbolt lock job will cost 150 or more but you can install a heavy duty deadbolt yourself in less than an hour for a third of the price. Installation of a double cylinder deadbolt uses the same size and dimension of pre drilled door holes as a conventional single cylinder deadbolt does and it is installed using the same procedure.

This is a video on how to replace the key cylinder in a commercial storefront door. They can also be used as the primary locking mechanism on patio or balcony doors. You ll have to adjust the position a bit if you have a combination storm door so as not to interfere with the storm doorknob or lock. For safety reasons if you choose a double cylinder deadbolt make absolutely certain your family knows where the key is and leaves it there.

For example if there s a window on or nearby the door think of sidelight windows.