
Plastic tubs of paint can be challenging to open, especially when paint dries around the rim and seals the lid shut. Before opening a new tub of paint, it is recommended to cover the rim with plastic wrap, such as cling film, to prevent dried paint from sticking the lid shut. If the paint has already dried, applying heat, such as by running the lid under hot water, can help loosen the dried paint and allow the lid to be screwed off easily. Alternatively, tools such as a screwdriver, paint can opener, or putty knife can be used to pry off the lid.
Characteristics of opening a plastic tub of paint
| Characteristics | Values |
|---|---|
| Tools | Paint can opener, screwdriver, putty knife, rubber gloves, sandpaper, jar opener, hammer, nail, mallet, drill |
| Techniques | Using a flathead screwdriver, prying the lid, using moderate force, punching holes, pouring with a paint can pourer, tapping the lid with a rubber mallet, hammer or screwdriver, using hot water, using plastic wrap, using olive oil or Vaseline, banging the edge of the paint lid |
| Preventative measures | Wiping excess paint with a damp cloth, covering the rim with plastic wrap, applying Vaseline or Petroleum Jelly |
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What You'll Learn

Using a paint can opener
To open a plastic tub of paint with a paint can opener, you will first need to ensure you have the correct tool for the job. A paint can opener is a relatively simple device, usually made of metal, with a hooked end and a handle. It is designed to hook into the lip of the paint can and pry the lid open. There are various types available, from basic flat metal bars with a hooked end to more complex tools with multiple functions, but they all serve the same purpose. Once you have your paint can opener, you can begin the process of opening the paint tub. Place the paint can on a flat, stable surface and ensure it is secure and will not slip or slide as you apply force to open it. Take your paint can opener and hook the curved end under the lip of the paint can lid. It is important to get a firm grip here, as you will need to apply some force to break the factory seal and pry the lid open. With a firm grip on the tool, and your other hand steadying the paint can, begin to lever the handle of the opener upwards. This will create an opening between the lid and the tub, breaking the seal. Once you have a gap, you can then work your way around the edge of the lid, prying it further open as you go, until you can remove the lid entirely. This process may require a little force, especially for new, tightly sealed paint cans, but it is an effective way to open a paint tub without damaging the lid or the contents.
- It is important to keep a steady hand and apply even pressure when prying the lid open to avoid spilling or splashing paint.
- If the paint has been stored for a long time, or if the lid is particularly tight, you may need to tap the paint can opener further down the edge of the lid, prying a little at a time, working your way around, to release the vacuum seal.
- Always keep your other hand on the paint can to steady it and prevent it from slipping as you apply force with the opener.
- Some paint can openers have a bottle opener end, which can be useful for prying off paint lids that have a lip, providing extra leverage.
- After opening, always clean your paint can opener and ensure it is stored safely, as the hooked end can be sharp and cause injury if not handled properly.
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Using a screwdriver
If the paint lid is particularly tight, a screwdriver can be a useful tool to gain some leverage. First, locate a flat-head screwdriver that is relatively thin and long; this will provide the best chance of prying the lid open without damaging the paint tub or injuring yourself. Insert the screwdriver into the gap between the paint lid and the tub. Wiggle the screwdriver gently to create some space, being careful not to scratch the paint tub. Once you have created a small gap, slowly work the screwdriver around the edge of the lid, using it as a lever to pop the seal. This may take a bit of effort, but the screwdriver should provide enough leverage to break the vacuum seal and open the paint tub. Be mindful to keep your hand and body posture stable to avoid any spillage or injury when the lid suddenly pops open.
Another method using a screwdriver involves creating a new grip for your hand. This is especially useful if the paint lid is very tight and there is no gap to insert the screwdriver. First, ensure the screwdriver is clean and dry. Then, carefully hammer the screwdriver into the center of the paint lid. You want to create a deep enough hole for the screwdriver to be firmly lodged in the lid, providing a secure grip. Once the screwdriver is firmly in place, you can use it as a handle to grip and turn the lid. This method may require some force, but the screwdriver should provide enough torque to break the seal and open the paint tub.
If you are concerned about creating a hole in the paint lid, you can also use the screwdriver to create a pry bar. For this method, you will need a longer flat-head screwdriver. Insert the screwdriver into the gap between the lid and the tub, as close to the edge as possible. With your other hand, grip the paint tub firmly. Use the screwdriver as a lever, prying the lid away from the tub slowly and with controlled force. Work your way around the edge of the lid, prying it up bit by bit until you can finally break the seal and open the paint tub. This method may leave some marks on the lid, but it should still be functional for sealing the paint afterward.
For an alternative approach, you can also use the screwdriver to create a nail-pulling tool. This method is useful if you don't have a hammer and need to create a grip without damaging the paint lid. Start by inserting the screwdriver into the gap between the lid and the tub, at a point where you want to create a handle. Lever the screwdriver gently to lift the lid slightly, creating a small gap. Then, take a sturdy piece of wire and insert one end into the gap, hooking it around the edge of the lid. With the wire hooked, you can pull back on the wire, using it as a makeshift nail puller, to slowly lift and pry the lid away from the tub. This method may take some time and patience, but it should eventually allow you to break the seal and open the paint tub.
These methods using a screwdriver can be effective for opening a stubborn paint tub. However, it is important to exercise caution and avoid using excessive force, as this may result in paint spillage or injury. Always ensure that the screwdriver is clean and dry before use, and be mindful of your hand and body placement to maintain stability during the process. With careful execution, you should be able to successfully open the paint tub and access the contents without damaging the container or compromising the paint quality.
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Using a jar opener
If you have a jar opener, you can use it to open a plastic tub of paint. Firstly, make sure you are wearing gloves, such as rubber gloves, to protect your hands and to give you a stronger grip. You can also try using sandpaper to hold the cover and turn it to open, as this increases friction and helps strengthen your grip.
Once you have your gloves on, take your jar opener and place it under the lip of the lid. You can then use moderate force on the handle to pry open the lid. You may need to reposition your jar opener and try again. Open the paint can a little bit at a time to maintain the shape of the lid. Continue prying the lid off in a consecutive motion. To do this, scoot the jar opener across the lid and lift up every 1⁄2–1 inch or so.
If you are using a new paint can, you may not need a jar opener. You can use anything from a quarter or your keys, to the back of a fork or knife. However, if there is leftover paint dried to the rim, you may need to use a tool to help you open it.
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Using hot water
If you are struggling to open a plastic tub of paint, one of the quickest and easiest ways to loosen the lid is to use hot water. First, run the lid under hot water for around 30 seconds. The heat will loosen any dry, crusty paint, and the lid should then screw off easily.
If you are still unable to open the tub, you can try using a paint can opener, screwdriver, or any other tool with a flat edge to pry between the lid and the container, then lift to break the dry paint seal. Alternatively, try twisting the lid while wearing rubber gloves, as the rubber will provide additional traction and make it easier to open.
If you are still unable to open the tub, you can try using a pair of pliers to twist or pull the lid off. If the tub still won't open, you can try using a knife to carefully cut around the rim of the lid, or a hammer and nail to punch holes in the groove inside the rim to break the seal.
To prevent this issue from occurring in the future, remember to wipe off any excess paint from the plastic container and lid with a damp cloth before sealing the tub.
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Using a rubber mallet
Firstly, you'll want to ensure that any excess paint has been cleared out from the rim of the can. Use a cheap plastic ladle or an old rag or towel to remove any paint from the rim and get it back into the can. This will help to prevent the lid from becoming stuck.
Next, place the lid on top of the rim, with the paint side facing down. Hold the rubber mallet with one hand and gently tap the lid into place. You don't need to use a lot of force or pound the lid; small, gentle taps will do the trick. Tap the lid a few times in a clockwise direction until it is securely in place.
If you're having trouble opening the paint can, the rubber mallet can also be used to help break the seal. Simply give the lid a few gentle taps with the mallet, and the seal should break, allowing you to open the can.
Additionally, if you find that the paint has dried and fused the lid shut, you can try using the rubber mallet in combination with other methods. For example, running hot water over the lid for a few seconds can help loosen the dried paint, and then you can use the mallet to gently tap the lid and break the seal.
Remember, when using a rubber mallet, it's best to use a tool with a small head for more control and precision.
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Frequently asked questions
If the paint tub is new, you can use anything to open it from a quarter or your keys to the back of a fork or knife. If the tub is old, you can try using a flathead screwdriver, a paint can opener, or a putty knife. Place the tip of your tool of choice underneath the lip of the lid and press down on the handle to pry open the lid.
Before sealing the paint tub, wipe the excess paint off the rim of the tub and the inside of the lid with a clean cloth. You can also apply olive oil or Vaseline with a paper towel or your finger around the edge of the lid.
Try running the lid under hot water for half a minute or so. The heat will help to loosen the dry paint. You can also try banging the edge of the paint lid on a flat surface to break the dried paint.
Rubber gloves, sandpaper, a jar opener, a drill, a hammer, a nail, a mallet, and a screwdriver are all tools that can be used to open a stuck paint lid.
Valspar paint tubs have a little diagram on the top saying "push and lift". Try pushing down on the lid and then lifting it up.











































