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How Long Do Fireworks Last

Aaron Zambo • November 12, 2021

How Long Do Fireworks Last?

So you want to know if your New Year's Eve or 4th of July fireworks that have been sitting up for a few years are still any good. Two of the most frequently asked questions by firework consumers are, "How Long Do Fireworks Last?" or "Do Fireworks Expire?".


Fireworks are composed of either flash powder or black powder, which is housed in a securely sealed paper tube with a fuse to light the powder within. Charcoal, sulfur, and potassium nitrate are the components of black powder. This is why it's important to only buy fireworks from a reputable distributor. This will ensure that they are completely safe to use. By taking these measures, you’ll be able to put on a safe and spectacular fireworks display.


When purchasing fireworks, one of the first things you should do is check the expiration date on the packaging. Expiration dates are usually clearly visible on firework packaging . Now, about that box of fireworks that’s in your garage from last year's New Year's Eve or 4th of July fireworks celebration. Can you still use them? Due to their composition, some fireworks may not work properly if expired.


The following should help answer the questions "How Long Do Fireworks Last?" and "Do Fireworks Expire?":


Do fireworks expire?

If you purchase fireworks for the Fourth of July, New Years Eve, or any big event and do not use them, you don't necessarily have to throw them away. Fireworks can last for several years if stored properly in a cool and dry place. Although this is the case, it's always best to use unexpired products for your fireworks display to get the best results.


Are your fireworks expired?

As previously mentioned, fireworks typically do not expire. If you purchase them last year, chances are good they are still in good condition. If you still need reassurance as to whether or not your fireworks are still good, check for an expiration date. This date will tell you exactly how old the fireworks are. Remember, the older your fireworks are, the more prone they are to not perform well. This is why it's always best for you to use only un-expired products when putting on your fireworks display.


Where are your fireworks stored?

One important factor that determines how long fireworks last is how the fireworks have been stored. It is essential to keep them in a cool and dry location throughout the year. There should be minimal if any exposure to moisture when storing fireworks. Plastic sealable Tupperware and storage bins are great for storing your fireworks. This can make the product hard to use if not impossible. Dry, cool store is essential.


What is the condition of your fireworks?

Next, consider the actual condition of the fireworks. It's always best to avoid using fireworks that have visible damage to their exterior casing. Damage to the lighting area is also a clear sign that fireworks should not be used. If exterior casing of a firework is damaged, it could be dangerous to use them because the interior materials may no longer be safe to use.


How old are your fireworks?

Generally, fireworks can last several years. In some cases, they can remain safe and effective for up to eight years. However, this varies significantly from product to product. Ultimately, it's always a best to use stored fireworks within a reasonable amount of time. If this is not possible, it's best to just purchase new merchandise from a reputable distributor such as Uncle Sam's Fireworks.


Are you still unsure about using your old fireworks?

Contact the supplier, distributor, or the manufacturer where your purchased the fireworks for more specific information about the shelf life of the fireworks you have. Since the shelf life of fireworks can vary from one product to the next, it's always a good idea to contact the supplier, distributor, or manufacturer of a specific firework product.


It should be noted that the chemicals in fireworks do not decompose very quickly or at all in many cases. Fireworks also do not ignite on their own. As long as they're stored in a flame-free environment where there is limited amounts of humidity, most fireworks will last a long time. Finally, whenever you are using fireworks, it is important to make sure they are in the best condition possible and that you use them according to the manufacturers specific instructions. This will make a big difference in the enjoyment of your purchase.




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Awesome experience here at Uncle Sam's. Daniel was super knowledgeable and helpful.  I have been to quite a few firework stores but never have I had such a smooth and seamless experience.  This is definitely my new spot for fireworks!!

First time I went didn't disappoint awesome staff very helpful answered all my questions! Great selection too!

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