How To Install Double Cylinder Door Lock

If your new deadbolt has a concealed screw for the interior door knob consult the installation instructions for your specific lock.

How to install double cylinder door lock.

Choose a position on the door for the lock. This is a video on how to replace the key cylinder in a commercial storefront door. Open front door to reveal the face of the lock. A double cylinder door lock is a type of security device primarily found on residential doors.

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. There s a reason people want to equip their homes with double cylinder locks. For example if there s a window on or nearby the door think of sidelight windows. They can also be used as the primary locking mechanism on patio or balcony doors.

For safety reasons if you choose a double cylinder deadbolt make absolutely certain your family knows where the key is and leaves it there. Instead the door is locked or unlocked using a thumb turn style lever. 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 the easiest way to rekey your door if you re giving the cylin.

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. Install the deadbolt lock about 44 inches above the bottom of the door. 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. Replacing a euro cylinder or upvc door lock a simple guide from www fastkeys co uk additional info step 1.

If you re in a situation where you cannot or do not want to use a drill to install your lock there are a couple ways of installing an interior door lock without a drill.