If you want to secure a front door, a bedroom door, a bathroom door, or any other interior or exterior door without using a lock, you’ll benefit from this article. Show
Over the years I tried a bunch of different techniques, and I can tell you that all that glitters is not gold. In fact, some of them were a complete waste of time. Now let’s move on to the best methods that you can use to lock almost any type of door without a lock quickly and easily. 1. Place a Wedge Underneath the Door
Many of you have probably already heard about this method but I certainly didn’t want to leave it off the list because it’s so simple yet powerful. When you want to lock a door without a lock using a door wedge (or door stop) you have basically two options:
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You can choose any of the two options, both will keep your door shut (to a certain extent). If you don’t have a doorstop at home, I encourage you to make your own door wedge from cardboard. You can easily make one in a minute: just fold a piece of cardboard into a wedge shape (check out the photo below to get a closer idea of what I’m talking about). The door wedge should be at least 2 inches wide.
Note: If you want to use a commercial door stopper to lock a door, make sure it’s made of rubber to prevent slipping under pressure. TipIf you want to make sure your door remains closed even if someone tries really hard to open it, I suggest you use your wedge in combination with another method (check out the following items on the list). Alternatively, instead of cardboard, you can use a thick sock to make a wedge and stuff it under the door. In most cases, that will also prevent the door from opening, however, don’t forget to test it to make sure it really blocks the door. Of course, this method is not perfect (and won’t replace a real lock) but if you want to lock a door without a lock quickly and easily, you should definitely consider trying it. Pros
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Here you can learn more about the proper use of door stops. 2. Insert a Modified Fork Into the Strike Plate
It might sound weird, but an ordinary fork can be used not only for dining but also to lock a door and keep unwanted visitors from entering a room or a house. So how can you make a lock out of a fork? First of all, to make your own DIY door lock some changes need to be made to the fork (so make sure it’s not an indispensable part of your tableware):
Now that your DIY two-part fork lock is ready, here’s how to use it to lock a door:
Note: In order to make this work properly, you need to use a fork with a flat (and not rounded) handle. FYI – While this hack will prevent pushing the door open, it won’t protect against high-force attacks, such as kick-ins (click here to see how to prevent a door from being kicked in). However, it’s still a quick and easy way to lock a door without a lock. Make sure you also check out the video below to get a complete picture of how this method works: 3. Put a Chair Under the Door Handle
This is another proven and time-tested way to lock a door without modifying it. Chances are good that you’ve already heard about it but I’m here to tell you that although it may sound too simple, it’s a really powerful way to barricade a door from the inside (when done right). This is how it works:
To get the best result, I suggest you use an office chair so you can easily adjust the height of the back. If you only have non-adjustable chairs at home, you will probably need to raise the height by placing chair raisers or other solid objects under the legs. Keep in mind that this method only works on doors that have a lever and not a knob. What if a door has a doorknob (and not a lever) and you want to lock it using a chair? You can still do it but it will work only if the door opens inward. Make sure you use a sturdy chair and wedge it tightly under the knob (only the two back legs of the chair should touch the floor). Keep in mind that it won’t withstand tremendous force, so you may want to use it only as an extra layer of protection. Related: 6 Clever Ways to Find Out If Someone Has Opened Your Door 4. Use a Belt to Keep the Handle In Place
Basically, you can use a belt to keep a door shut in two different cases: when a door has a hook (like most bathroom doors) and when a door is equipped with a door closer. This is how you can lock a door that has a hook using a belt: In order to keep the door closed, all you need to do is stretch the belt between the hook and the handle. This way the handle cannot be pushed down and the bolt stays in place. Again, this method can be applied mostly on bathroom doors as it won’t work without a hook. Check out the photo below: How to use your belt on a door with an auto door closer? In schools, offices, and other commercial buildings doors are often equipped with an automatic door closer. In that case, you can tighten the belt on the hinge to securely lock the door. The goal is to keep the two arms of the hinge tightly together to prevent the door from opening. 5. Get a Portable Door Lock
Portable locks are extremely popular nowadays, and for a reason: they not only provide an easy and secure way to lock a door without a lock but you can also add them as an extra lock to make sure nobody can enter through the door, not even those who have a key.
Addalock is one of those portable door locks I highly recommend checking out. It’s a small device that’s very easy to use and requires no real installation (so no screwing or drilling). Adding security to a door is just a matter of seconds. You can use it on doors that already have a lock (think of hotel and rented rooms, college dorms, apartment doors, or your front door) to get additional security, but you can also use it on a bedroom or bathroom door or any other door that has no built-in locking system. By the way, if you need to secure a bedroom door, make sure you also check out our list of the best methods here. Instead of Addalock (as an alternative), you can also use a door jammer (such as this one). It’s rather a portable barricade than a lock: one part of it should be placed under the door while the other part (the extension foot) rests on the floor. It works best on floors that are not slippery. Anyway, it could be a reasonable choice for inward opening doors with no lock. This is another portable security device (check out the photo below) that you can use to keep a door closed from the inside. You can install it without using any tools, so it’s another handy solution if you don’t want to make permanent changes to the door or the frame. Keep in mind that it won’t work if the gap between the jamb (the strike plate) and the door is less than 1/8 inch. 6. Reinforce the Door with a Security Bar
Security bars are widely available and most of them do a pretty good job when it comes to reinforcing a door from the inside. This model from Brinks is my favorite (however the one from Sabre also does a great job). It will definitely help you keep undesirable people outside. If you want some privacy, all you have to do is place the top yoke under the knob and let the padded foot rest on the floor. You can easily adjust the height of the device within a specific range, so it will fit most hinged doors. However, you can also use it on sliding doors. Check this video out to see exactly how it works: The Brinks security bar is made of heavy-duty steel, so it’s really sturdy and durable. It offers a really simple and quick solution to lock most doors without having to use a traditional lock. While security bars can be used without installation and are completely portable, I wouldn’t recommend using them if you want to travel light just because they’re much heavier and bigger than the previously mentioned items. 7. Add a Keyless Door Reinforcement Lock
If you’re not afraid of a little DIY, installing a keyless door lock could be a safe and secure way of locking both interior and exterior doors (from the inside). However, for obvious reasons, they are not suitable for traveling (unless your host doesn’t mind if you drill holes into the doorframe). Let’s start with my favorite model, this door reinforcement lock from Defender Security. This small device is very popular among those who need a permanent solution to lock a door without a lock. Here are some of its advantages:
The two biggest drawbacks are that installation requires drilling into the door frame and that it won’t work with outward-opening doors. Door bull is another similar product that you can use to add extra security to inward opening doors whether they have a lock or not. Although it requires installation, you can finish the whole process within 10-15 minutes. If you don’t like the previous Defender Security model, this one can be a good alternative. Note: Keep in mind that these types of locks work only with inswing doors. 8. Install a Door Barricade
Using a door barricade is a highly effective way to reinforce a door and keep unauthorized persons from entering a room or your home. There are many models on the market, I suggest you have a look at this one from Nightlock if you think installing a door barricade would be an ideal solution for you. What is a door barricade? It’s a simple device that is anchored to the floor and has two parts: the baseplate and the actual barrier. If you want to lock a door, you just have to slide the barrier into the baseplate. A door barricade uses the strength of the floor, therefore it usually withstands greater forces than some other keyless locks. Just have a look at the photo below: Why are door barricades so popular?
If you need to lock an outward-opening door, check out this model. Also, check out our complete guide on how you can secure outswing doors here. 9. Use a Strike Plate Lock
A strike plate lock is similar to a standard door chain but it’s sturdier and more durable. Also, it doesn’t damage your door because you can use the existing screw holes of the strike plate to mount it on the jamb. It’s very simple to use, you just have to place the ring part over the door handle to keep your door shut and unwanted visitors outside. You can install it on doors without any other lock but you can also add it as an extra lock to your front door. A strike plate lock can significantly improve security even if your door has a deadbolt. 10. Tie a Shoelace Around the Doorknob
It’s a very simple DIY method to keep an inward opening door closed without using a lock. Here’s how it works:
Alternatively, you can secure the doorknob to any fixed anchor point around the door (if there’s any). 11. Get Rid of the Door Handle On the Exterior Side of the Door
I suggest you only use this method in case of an emergency when there’s no other viable solution. For instance, if your front door lock breaks and you have to leave your home to get a new one, you can temporarily remove the exterior doorknob or handle to make it harder to get into your home while it’s empty. While this method works on both outward and inward opening doors, it’s quite a hassle and also pretty time-consuming, therefore it’s not recommended unless there’s no other reasonable way to keep your door locked. Locking a Door Without a Lock: Putting It All TogetherAs you can see, there are plenty of ways to lock a door without a lock. So which one should you choose? Before starting to apply any of the methods, you should decide if you need a permanent fix or just a quick temporary solution. If all you need is a quick fix, I suggest you choose from the first four methods on the list and make your own DIY door lock. If security is a concern, combine the methods with each other. For instance, you can use a wedge and a chair at the same time to lock a door. If you need protection for a longer time, I highly recommend that you get one (or two) of the above-mentioned security devices. Most of them are pretty affordable and they do a great job when it comes to keeping a door closed whether it has a lock or not. Why can't I lock my door with a key?Door lock problems are often caused by a malfunctioning lock mechanism or latch assembly, but there are several common reasons why locks stop working: The lock is dry or dirty. It doesn't fit in the door properly. The latch and strike plate don't align.
How do you lock a door manually?In a pinch, a simple fork can be used to temporarily lock a door that inwardly opens. To secure the door, bend the tines of the fork so that the tips of the tines fit into the door latch and the rest of the fork can comfortably remain in the gap between the door and the doorframe when the door is closed.
Can you lock a door with the key inside?Yes, you can continue to lock your door from the outside with the key if your cylinder is equipped with an emergency function or priority function. This means that you can lock your door lock from the outside, even if there is a key inside the lock.
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