Double Hearing Protection Mandatory Sign | High-Noise Zones

Site supervisors and safety officers use this mandatory sign to designate areas where standard earplugs or muffs are not enough. It is a critical addition to your workplace safety signs collection, specifically placed at the entry points of high-decibel environments like fabrication workshops, airport tarmacs, or heavy machinery plants where noise levels exceed safe limits for single-layer protection.

By clearly instructing workers that double hearing protection must be worn, the sign reduces the risk of noise-induced hearing loss. It eliminates confusion for contractors and staff entering a zone, ensuring they have both plugs and earmuffs fitted before they begin work. This visual prompt serves as a constant reminder in loud settings where verbal warnings are impossible to hear, making the daily safety routine faster and more consistent for every operator on the floor.

This sign follows the AS1319-1994 standard for mandatory signage, using the recognised blue disc format to signal a required action. It is built for environments where extreme noise is a constant factor, such as crushing plants or engine test cells.

Features

• Mandatory sign indicating double hearing protection is required
• Follows AS1319-1994 specifications
• Blue disc format for clear PPE instruction