How to Remove Caulk from Caulk Gun

How to Remove Caulk from Caulk Gun: 8 Easy Steps

When it comes to filling in cracks and gaps around windows, doors, plumbing fixtures, and other areas of your home, caulking is the best way to go. It’s a durable, flexible sealant that helps keep out moisture, drafts, and pests. 

Using a caulking gun makes it easier to apply caulk, as it gives you more control and a more even bead. But when the time comes to replace the old caulk with new, you need to know how to remove caulk from caulk gun. 

This is necessary to use a new caulk and get a good seal. We are going to show you the full process of how to do this easily, so let’s get started.

How to Remove Caulk from Caulk Gun? Step By Step Process

How to Remove Caulk from Caulk Gun

Any job, no matter how big or small is composed of a series of steps that must be followed in order to achieve the desired result. 

Sometimes these steps are simple and straightforward, but in other cases, they may be more complex and require a greater level of precision. 

Regardless, it is important to always follow the steps correctly in order to complete the job correctly. Failing to do so can often lead to subpar results or even complete failure. 

Taking caulk out of a caulking gun is not difficult, but it does require a few steps to do it correctly. Just follow these simple steps, and you’ll have the old caulk removed quickly.

Step 01: Hold the Caulk Gun Parallel to the Surface

The first step is to hold the caulking gun horizontally to the area that you will be working on. This is important as holding it at an angle can cause the latex caulk to come out unevenly.

Step 02: Locate the Tube Release Lever

There is a trigger on the caulk gun that controls the flow of sealant from the tube. In the case of a caulk gun, the tube release allows the user to easily unplug the gun by releasing the pressure on the tube.

You will find the tube release on the top of the caulk gun near the trigger. It is composed of a metal rod attached to a piston-type end. 

An electric caulking gun also features a release rod. As soon as you press the trigger, it automatically extends the rod to release the pressure in the tube. Consequently, the silicone sealant is coming out of the nozzle.

Step 03: Pull the Lever

Once you have located the release mechanism, simply pull it back to release the tube’s pressure. You may need to use a little force to pull it back, as the pressure can be quite strong.

Step 04: Remove the Tube from the Caulk Gun

With the pressure released, you can now disconnect the tube from the caulking gun. To do this, simply press the tube on any side and pull it out. The tube should come out easily, without any resistance.

Step 05: Remove the Remaining Caulk from the Gun

Caulk stuck in gun

During this process, some caulk may have ended up in the caulking gun. Use a putty knife or utility knife to remove the caulk stuck in the gun. This is an effective caulk remover.

Ensure that you clean out the entire gun, as any leftover sealant can harden and make it more difficult to use in the future. You can also use cloth rags to clean the inside of the gun.

Step 06: Reassemble the Caulk Gun

Once you have removed all of the old caulk from your caulking gun, it is time to reassemble it with the new caulk. 

The process is the same as before but in reverse. Simply pull back a lever, insert the new tube of polyurethane caulk, and release the lever. 

Step 07: Cut the Tip of the Caulk Tube

The tip is sealed in a new caulking tube to prevent the sealant from coming out. You will need to cut this tip off before you can use the caulking gun. Make a small cut in the tip of the tube with a utility knife or box cutter. 

Be sure to only cut a small opening, as a larger one will allow too much caulk to come out at once. Also, you need to cut the tip at a 45-degree angle, as this will provide a better sealant bead.

Step 08: Test the Caulk Gun

Once you have trimmed the caulking tube tip, it is time to test the caulking gun. To test if the caulking gun is working properly, simply squeeze the trigger and see if the silicone caulk coming out back of tube. 

If it does, then it is ready to use. If not, check to see if the tube is properly inserted and that the release mechanism is in the correct position.

With these simple steps, anyone can remove caulk from a caulking gun. Be sure to follow the steps carefully in order to avoid any mistakes. 

Also, be sure to clean out the caulking gun after every use to prevent sealant from hardening within it.

Frequently Asked Questions:

There are many questions regarding caulk guns. Below, we will answer some of the most frequently asked questions.

1. How Do I Prevent Caulk from Hardening Inside the Caulking Gun?

When you cut a large hole in the caulking tube tip, it can cause the acrylic caulk to harden inside the gun. To prevent this from happening, you can use a large nail to seal the hole. Simply insert the nail into the hole and twist it to create a seal.

2. How Do I Remove Caulk from My Hands?

If you get caulk on your hands, simply use a little soap and water to remove it. After you have removed the caulk, apply some baking soda to your hands and rub them together. This will help to remove any lingering caulk residue. Make sure to clean your hands as soon as possible, as stubborn caulk can be difficult to remove once it dries.

3. How Long Does Caulk Last?

This will depend on the type of caulk that you use. Some varieties of caulk can last for a long time, while a few may only be usable for a limited time. Check the expiration date on the tube of caulk to see how long it is supposed to last. Generally, a good quality caulk will last approximately five years.

4. What Is the Shelf Life Of Caulk?

When unopened, caulk has a shelf life of approximately one year. After it has been opened, it is good for two months. If not used within this time period, it may become hard and inaccessible. 


Caulk is an important part of any home improvement project. Without it, your home will be susceptible to drafts and water damage. 

We hope that this article has helped you to understand how to remove caulk from caulk gun. 

By following the steps we discussed, you can easily remove old caulk. Also, you can insert a new caulk into the caulking gun and use it for your next project. 

Make sure to properly clean the caulking gun after each use to prevent any sealant from drying inside the gun.

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