Line Marker Signs

Reliable Line Marker Signs for Essential Protection 

Vulcan’s Line Marker Signs are a trusted choice for safeguarding fiber optic and utility lines. As a visible first line of defense, our WARNING signs help protect critical infrastructure by clearly communicating the presence of underground cables and utilities.

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Substrate Options for Maximum Durability 

Our line marker signs are built from materials designed for durability and clear messaging: 

• Aluminum – Lightweight, corrosion-resistant, and strong, aluminum remains a top choice for outdoor durability. 
• HDPE – High-density polyethylene offers flexibility and weather resistance for signs in variable climates. 
• ACM (Aluminum Composite Material) – A three-layer panel with an aluminum surface bonded to a polyethylene core, providing stability and allowing for digital printing.

Available Sizes and Customization Options 

Vulcan’s line marker signs are available in various standard sizes to suit different applications, including 12” x 9” and 10” x 14” for rectangular signs, with cable route signs typically in a 12” x 4” format. Custom sizes are also available to meet specific project needs, ensuring versatility for any application.

Specialized Decoration for Lasting Legibility 

Effective signage relies on both durable substrates and resilient printing techniques. Each substrate offers unique benefits for different applications: 

• Aluminum – Screen-printed with a Thermoset Polyester Ink system, which uses automotive-grade pigments for maximum longevity. This ink is cured at a high temperature to ensure a lasting bond with the aluminum surface. 
• HDPE – Low-surface-energy material that requires specific surface treatments to securely bond inks. Only select outdoor inks are compatible with HDPE, ensuring message clarity. 
• ACM – Digitally printed for flexibility in design and customization, with a protective clear topcoat to prolong message legibility in outdoor environments. 

With Vulcan’s Line Marker Signs, clients receive reliable, high-quality signage solutions designed to meet the demanding utility and infrastructure protection requirements.

All petroleum line markers will be made in accordance with Federal Regulations 192.707 and 195.410