Today everyone seems to be a little more security conscious than they used to be. New state of the art security systems with remarkable capabilities are now widely available to homeowners, but it is important to remember that all good systems should include deadbolt locks on all exterior doors.
Deadbolts come in two styles. One requires a key to unlock from the outside but is operated on the inside by turning a knob. These are best suited for doors with no glass and they are safer in the event of fire as there is no fumbling for keys to make your escape.
The other requires a key both outside and the inside. If your front door has a pane of glass in it, you should probably opt for this style so that would be burglars cannot break the glass and simply reach in a turn the knob. However, they double keyed style is harder to operate in a fire. Should you install this style, always be sure that the keys are easily accessible in case of fire or some other emergency. The installation of these two styles is basically the same.
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