How to bolt down a safe in concrete

How to Bolt Down a Safe in Concrete?

Gun safes can be a valuable way to protect firearms from theft and unwanted access. If you want to store a gun safe in your home, you can use a special method called bolting the safe into a wood floor, concrete floor, or wall. 

How to bolt down a safe in concrete? The process for bolting a gun safe into a floor or wall includes: Making a hole in the floor or wall, drilling holes into the safe, Fastening the safe into the holes, and filling the holes after the safe has been bolted in.

This technique for bolting a safe is an effective and inexpensive way to secure a safe against unwanted access.

In this blog article, I’ll explain how to bolt a gun safe to concrete to make your belongings more secure and give you peace of mind when you’re not at home.


let’s start reading;

How to bolt a gun safe on the concrete floor?

To bolt a safe into the ground floor, you will need concrete anchors, a hammer drill, a drill, and a 1/16-inch bit. You will also need two nails, two screws, a washer, and some concrete sealant. You can find these things in any hardware store.

You can follow these steps to bolt a safe in concrete:

Step # 1:

Now you have a mark on the top of the safe; it is time to drill a hole into the center of it. It would help if you used the 1/16-inch drill bit to do this. A drill with this size is very accurate.

When you place the level in the center of the safe, it should be level with the bottom of the hole. Make sure the holes seem appropriate before drilling one in the center of the safe. This hole will use to install a door lock and a deadbolt. If you don’t have a door lock, you can always use a combination padlock instead.

Step # 2:

You will require to drill holes in the concrete floor with the help of a masonry drill bit. The best way to do this is to drill holes at an angle and ensure the hole is about the same depth as the first one. Then, insert a washer and the bolts once the hole is drilled.

Make sure that the head of the bolts sticks up on the surface of the concrete flooring so they can be seen easily.

Step # 3:

Once the holes are installed, it’s time to put in the deadbolt. Thread the head of the bolts through the holes and down into the concrete. Pull the bolts out to inspect if there is any flexibility in the bolts to make sure they are securely fastened.

Step # 4:

Once you are sure that the bolts are in correctly, you will need to use concrete sealant to fill the holes. Afterward, apply a second layer after giving the concrete at least 24 hours to dry. Gun owners can also add some decorative trim if they want to get the look of a true concrete safe.

How to bolt down a safe in concrete

How to bolt a gun safe into the concrete wall?

The following are some steps to bolt a gun safe into the concrete wall:

Step # 1:

First, mark where you will place the holes in your concrete wall. Make sure that you mark exactly where you want the holes to be, or else you’ll have to move around the holes to get them to fit properly.

Step # 2:

Next, anchor holes in the concrete. You may use a manual drill or an electric drill to complete this. Because you want the holes to fit tightly, be careful not to over-drill them. A 14-inch bit works well for drilling the holes.

Step # 3:

Next, drill a larger hole at the back of the safe to allow for an anchor bolt. Use a drill bit sized between 10-12 mm. Drill two holes simultaneously, carefully avoiding drilling through the safe itself and just the concrete.

Step # 4:

Attach the hinges to the safe. If you are not using the hinges that come with the safe, you will need to find compatible ones. Once you have found the right ones, attach the hinges to the safe using the screws provided. To avoid the screws from breaking off and the hinge from falling off, be careful not to overtighten them.

Step # 5:

Use the drill to drill holes in the safe door. Then place the hinges and screws in the correct places. Make sure to mark where the screws go so you can easily remove them after installing the door.

Step # 6:

Now it’s time to install the handle on the safe. Find a way to make sure the handle is facing outwards. This will be the side you will use to access the safe. Attach the handle to the safe using the screws supplied.

Step # 7:

The last step is to install the combination lock. I did this by putting the screws in the holes, but if you prefer, you can also use the provided screws. Once you have completed this step, the safe is ready to be used.

To open it, turn the dial and press down. Make sure the combination is set correctly. Once the combination has been set correctly, the safe is ready to be used. You can now access any documents you want to keep inside the safe.

Tips And Tricks to successfully bolt your safe

  • Make sure that your washers are not too large. If the washers are too big, then the head of the bolt may not sit flush with the concrete. This means that you will have trouble inserting the bolts.
  • Use self-leveling concrete to make sure that everything sits level. The concrete has a leveling agent that makes it easy to lay down and ensures that everything is even.
  • Don’t put too much concrete in the holes. You don’t want the hole to be filled up with concrete. This will prevent the bolt from being able to go through properly.
  • Make sure that the bolts are tightened evenly. If they are too loose, you could have to drill out the bolts. This will more than likely cause a lot of damage to the surface of the concrete.
  • Make sure that the washers are lined up properly. They should be placed right at the bottom of the hole.
  • A safe in concrete will also need regular maintenance. It is important to keep it safe from dry concrete so that it does not become cracked or damaged. You can utilize a dehumidifier for drying out the safe. If you have a safe with a plastic liner, you can wipe it down regularly.
  • Make sure that the safe is well-ventilated. It will allow for the removal of any odors. There are vents in the top and bottom of a safe. You can remove these and add fresh air to your safe. This will help to remove any harmful fumes that may be inside your safe.
  • A good rule of thumb for a safe is to have 2 feet between it and your home’s foundation. This will give the safe more room if it ever needs to expand. A safe is generally safe if it is 4 inches from your wall. It will still give you plenty of space, but it will also prevent you from knocking your wall down accidentally.
  • The bolts should place as close together as possible without making any holes bigger than the actual diameter of the bolt. If you do this, there will be no need to drill out any holes. Just make sure that the holes are all the same size and depth. This will allow the bolts to be evenly spaced from each other.
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Frequently Asked Questions

Should you bolt down a gun safe?

Yes, you should always bolt down a gun safe. Gun safes are designed to withstand the impact of a gun blast and can easily stop bullets fired from a handgun. They come in various sizes, ranges, materials, and models. You should always choose one heavy-duty to protect your gun from getting stolen and strong enough to survive an earthquake or similar natural calamities.

Can you bolt a gun safe to the floor?

Yes, you can bolt a gun safe to the concrete floors. As long as the safe has an interior wall that’s thick enough and strong enough to hold the weight of the safe, then you can install it that way. Also, you don’t need to drill holes in the safe to mount it, but rather simply bolt the bolts into the walls.

Can you bolt a fire safe to the floor?

Yes, you can bolt a fire safe to the floor properly. However, you should know that doing so can put pressure on the surrounding walls and damage them. Fire safes are heavy and should therefore be bolted to the floor in a well-secured manner with strong bolts and proper fasteners.

How heavy does a gun safe have to be not to bolt down?

A gun safe shouldn’t weigh more than 500 pounds, and most will usually fall under a ton or two. A lot of gun safes can’t be bolted down because the structure is weak and will break apart with the weight of the safe. In such cases, it is best to use a padlock for additional security.

Can all safe be bolted down?

Safe can be bolted down if you’re concerned about theft. The most popular types of safe are locked ones with combination locks, which are usually harder to break in and open than the regular key-based ones. But there are many ways to pick safe combination locks, depending on the person opening them.

Can you move a safe on its side?

In most situations, moving a safe on its side is not possible. Most safes are made to open on their front or back only. However, there are some models where you can move it sideways if you remove the key, and handle, and slide it toward you.

How is a small home safe and secured?

A small house safe needs to be completely weatherproof. If it isn’t, it can get damaged by moisture or snow. Hence, these safes must be placed on a roof, which prevents exposure to the elements. You should also avoid using a padlock as the lock is subject to rusting over time. You should instead opt for a lockbox.


A gun safe is an extremely important safety tool. When you’re planning to own a safe gun, you’ll need to know how to use it. Most of them are bolted into concrete walls or metal shelves. To protect your family and your gun safe, you need to bolt it into a properly prepared area.

Make sure to use tamper-proof gun-safe bolts with a locking mechanism. The gun owner must also ensure that the area you plan to use has enough space to hold the gun safely.

It’s also important to read the manufacturer’s guidelines and follow all safety precautions before starting work to accomplish your project.

Please comment in the section below if you have any other questions regarding safe gun installation.

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