1
vote
1answer
105 views

Can someone unlock a locked door and lock it back again without the key?

Is it possible for someone to unlock your front door get into your house and then lock the door again without being supplied with a key?
2
votes
2answers
134 views

How can we security manage keys for a co-op building?

After having some security incidents in our building, we have decided to change the locks and we are looking at a solution whereby we (co-op board) can give out to residents keys that cannot be ...
6
votes
4answers
5k views

How can I secure a door with a window right next to it?

My front door has a deadbolt, but right next to the knob/deadbolt is a tall narrow window, so that you can see whoever is outside. This is a security risk as anyone could smash that window and open ...
8
votes
6answers
16k views

How to secure a doggy door from intruders?

I installed a doggy door so that our dog can go in/out when it has to go to the bathroom while we are at work/away. It lets him out into our fenced in backyard. The gates are deadlocked, but ...
7
votes
4answers
3k views

How can I fit a Schlage lockset in my front door?

I moved into a condo with a Kwikset lockset in the door. I wanted to replace it with a Schlage lockset, but the actual bolt portion of the deadbolt was too large to fit into the pre-drilled hole. If ...
2
votes
1answer
358 views

what parameters should I look for when choosing an electric deadbolt?

I am looking for electric deadbolts for external steel doors - to place several of them on a door - one on each side (top, bottom, left, right) for extra security. I want to buy just the deadbolt ...
7
votes
2answers
316 views

How long do batteries typically last in electronic deadbolts?

I'm considering getting a Schlage Plymouth Keypad for our front-door but was curious how long the 9V battery typically lasts. The web site says "3 year battery life" but I'm... skeptical. =) Has ...
7
votes
5answers
2k views

Is it worth having two locks in exterior doors?

I've noticed that some places have a lock in the knob and a deadbolt in the exterior doors, and some places have a knob without a lock and just a deadbolt. Is there a benefit to having a lock in the ...