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Molding Tips: How to Get the Most Out of Your Decibullz Earplugs

Molding Tips: How to Get the Most Out of Your Decibullz Earplugs

Posted by Colleen Boyd on Jan 16, 2019

Custom is always better. But in many cases, custom products and services is expensive and time consuming. But it doesn't have to be that way. Decibullz Custom Molded Earplugs provide perfect fitting hearing protection at an affordable cost. What’s more, the custom molding process can be done in minutes at home or at work. You no longer have to worry about doctor appointments, gooey injections or long waits.

Because customers are molding the earplugs themselves, it can be hard to know if you’re doing it right. We want to share our best tips and tricks so you can get the most protection and comfort out of your Decibullz earplugs.


#1: Find some help

Have another person mold the earplug. You will be able to tell when it’s securely in the ear canal, and they will be able to achieve coverage and smoothness with the mold. If help isn’t available at the time, mold the earplugs yourself using a mirror. It is much easier when you are able to see what you’re doing.


#2: User a smaller silicone tip

In order to make molding easier, use a smaller tip size than what you will be using full time. For example, if a medium silicone tip fits perfectly, use the small size to mold. This way you can focus on achieving a good seal around the bowl of the ear without having to worry about perfect placement of the tip. Once your molds are cool and set, swap out the smaller tips for your correct size.


#3: Ensure everything is lined up

For most people, the ear canal is angled forward toward the eyes. When molding the earplug, angle it slightly forward to improve fit. Then, use the ear canal and ridges to help lock the mold in place.


#4: Solutions for small and large ears

If you have small ears, we recommend trimming a little off the top of the mold when they are soft and pliable. If you have large ears, create more of a shell surrounding the bowl of the ear instead of a plug.


#5: Try not to over-mold

When molding the earplugs, try not to spread the thermoplastic too thin. It is best to gently push the pliable mold inward and upward.


#6: Use a bite block while molding

Using a bite blocks opens the ear canals allowing the material to get a little deeper in the ear.


#7: Use foam

Between foam tips and silicone tips provided in each box, foam tips will provide the highest noise reduction. If using foam, compress the tip as small as possible then quickly insert the earplug into the ear. Once it place, it will expand and increase noise isolation.


#8: Mold twice

Mold your earplugs as instructed in the directions. Once they have cooled for one minute, press into the ear again. Then allow your earplugs to fully cool and harden.


#9: When in doubt, try again

In addition to the superior hearing protection, one of the best things about Decibullz Custom Molded Earplugs is that they can be remolded as many times as needed. If you mess up or hate how the mold looks, you can start over. Just throw your molds back into hot water and give it another try. 

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