Ear Protection
Frequently asked questions
How do I insert earplugs correctly?
Roll the earplug between clean fingers into a tight, crease free cylinder. Reach over your head with the opposite hand and pull your ear up and back to straighten the ear canal. Insert the rolled earplug with your other hand and hold it in place for 30 to 40 seconds while the foam expands. The earplug should sit deep enough that most of it rests inside the ear canal. When fitted correctly, your voice sounds muffled and outside noise reduces significantly. Improper insertion reduces protection substantially.
Are ear muffs better than earplugs?
Ear muffs and earplugs both provide effective hearing protection but suit different situations. Ear muffs offer higher noise reduction, work better in very loud environments and are easier to fit correctly. They suit intermittent noise exposure because you can remove and replace them quickly. Earplugs are more comfortable in hot conditions, fit under hard hats easily and suit continuous wear throughout a shift. For maximum protection in extremely loud environments, wear both together. Choose based on your noise level, comfort needs and work conditions.
What is SLC80 rating for hearing protection?
SLC80 (Sound Level Conversion) is the Australian standard rating that shows how much noise hearing protection reduces. The number represents decibel reduction when worn correctly. An SLC80 rating of 27dB means the protection reduces noise exposure by 27 decibels for 80 percent of wearers. Higher numbers indicate greater noise reduction. Ear muffs typically offer higher SLC80 ratings than earplugs. Match your hearing protection SLC80 rating to your workplace noise levels to ensure adequate protection.
How often should disposable earplugs be replaced?
Replace disposable foam earplugs after each use or when they become dirty, damaged or lose their shape. The foam deteriorates with exposure to earwax, moisture and repeated compression. Using dirty earplugs increases infection risk. If earplugs no longer expand fully after rolling or show visible dirt and damage, discard them immediately. For hygienic protection, individually sealed sachets ensure each pair is clean. Reusable earplugs with washable designs last longer but still need replacement when the material hardens or shows wear.
What noise level requires hearing protection in Australia?
Australian workplace regulations require hearing protection when noise exposure exceeds 85 decibels over an eight hour period. This level applies to construction sites, manufacturing plants, workshops and many industrial environments. Even brief exposure to very loud noise above 140 decibels requires immediate protection. Prolonged exposure to noise above 85dB causes permanent hearing damage. Employers must provide appropriate hearing protection and workers must wear it in designated areas. Regular noise monitoring helps identify when protection becomes mandatory for specific tasks or locations.