If you want to secure your bedroom door from both the inside and outside, often it's best to use some kind of deadbolt. While it allows you to lock the door while you're in the room, it also comes in handy when you're away and don't want anyone (roommates, for instance) to enter your bedroom in the meantime.
Motel-style security chain locks are one of the easiest kinds of locks to add to a bedroom door. Not only is a basic chain lock one of the most affordable lock options, but installing a security chain on a door doesn't require you to do anything to the existing doorknob. All you need is a screwdriver and drill.
When installing a deadbolt in a hollow core door, you will need to create room for all of the lock components on both sides of the door. Since the door is hollow, little force is required to make this room, unlike a non-hollow door.
Hold the latch plate with the padlock of your choice. There are other types of locks that you can install on a bedroom door. The ones mentioned here are the most common and easiest to install. But there are electronic locks, smart locks, cylindrical lever locks, portable door locks, and key locks.
Barricade your door.
If you're in your room and you want privacy, barricade your door by wedging a chair under the door knob or pushing a piece of furniture in front of it. This is only helpful if you're actually in your room when someone tries to barge in, but it will prevent them from being able to do it.
You can reinforce the door by adding a high-security steel striker plate with four screws that penetrate deep into the stud framing plus longer screws to the hinges. This type of reinforced door is almost kick-proof.
"Yes, you can. In a solid wooden door it would be hollowed out for the lock body anyway, with the outer frame of the door supporting the fixings, so actually they are easier to fit as less hollowing out is needed. In a hollow door the outer framework of the door is solid and will hold the fixing screws no problem.
You can add a lock to a door without drilling holes using a doorknob with a key, a temporary or portable door lock, and a lock on top of the door.
Well, deadlocks and deadbolts are the same in that they both need a key to lock. However, while a deadlock can only be unlocked in deadlock mode with a key, deadbolts can be locked and unlocked with a key and have a metal lock that extends from the door into the wall.
Installing a deadbolt lock on a steel door may sound intimidating, but with the right tools, it's a fairly simple task. Steel doors are easy to drill into using a bimetal hole saw and an electric drill. Most moderately skilled amateurs can complete this task in about half an hour.
Deadbolt Type
You can typically purchase a single cylindrical deadbolt for $20 to $70, while keyless deadbolts can cost anywhere from $50 to $200 or more depending on the type you purchase.
The most effective and efficient way of locking the door from the outside is using the double cylinder locks. The double cylinder locks are keyed on both sides. They can be opened and locked from the interior or the exterior. It also comes with several advantages, such as increased security.
Master Bedroom Key Location (Mysterious Key)
The key is just on the shelves on the top of the fireplace besides the picture frames and base. After getting that key, go to Madison's Master Bedroom and there should be a new selection for “Lock”. You can now locked the door and talk to Katherine to get your reward.
Generally speaking, deadbolts are sturdy locks that can withstand kick in and other forced entry attempts. However, a door with a deadbolt can still be kicked down if the door itself is not solid. So, to protect your door against kick in, you want to make sure both the lock and door are of high-quality grade.
If someone opens the door, the string will hang straight down, and when they close the door, it will be pushed to where it's visible from the outside. When you return, before opening the door, check if the string is sticking out. If it is, someone has been in the room.
In the U.S., there is no single comprehensive law against dual-cylinder deadbolts. Individual cities and states have local property and fire codes that may prohibit the use of dual-cylinder deadbolts. The code may prohibit the use of dual-cylinder deadbolts in some buildings and allow them in others.
Deadlocks are much stronger and more secure than the simpler and cheaper rim latches or Yale latches, and when fitted can make it almost impossible for a burglar to force their way into your home through the exterior doors.