2
votes
1answer
72 views

Which cylinder door lock shield design is most secure?

I'm planning to place a shield on my front door and would like to know which of the 3 shield designs is the most secure option and why. Basic design characteristics: Top Left: the outside part of ...
0
votes
1answer
73 views

Is it safe to oil a lock? [duplicate]

I have a very sticky door lock, is it safe to oil it with standard household oil? Will oil degrade the security of the lock in any way? If it's safe, how should I apply the oil?
2
votes
3answers
203 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?
1
vote
2answers
275 views

Are garage door locks that cannot be opened from the outside available?

I would like to replace my garage lock with a lock face that does not permit opening it from the outside. I don't have a key to it anyway, and right now it's the weakest link of my home security. ...
7
votes
5answers
4k 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 ...
4
votes
3answers
3k views

Where do I buy a weather proof combination padlock?

I have a shed that I use a padlock to secure. The last lock I had lasted a year before failing. It cost about $40. My wife prefers combination so she won't need her keys just to work in the yard. I ...
2
votes
2answers
2k views

How do I install a chain lock on a steel door?

I'm tring to install a chain lock on the inside of my home. I've tried millions of things to get a hole in the steel door. Is a 12 volt drill not powerful enough?
2
votes
1answer
415 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 ...
11
votes
5answers
17k views

How to tell if your locks are bump proof?

I was reading about lock "bumping" where burglars buy 'bump' keys and can open locks very quickly. I was also reading that some locks are bump proof (double chamber perhaps?). My question is: how can ...
7
votes
2answers
454 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
6answers
3k 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 ...