Product

Protective Steel Plates for Underground Infrastructure
Protective steel plates play a critical role in safeguarding essential underground infrastructure from damage caused by excavation and construction activities.

Poongkuk SI’s protective steel plates are designed to protect natural gas pipelines, underground power cables, telecommunications networks, industrial facilities, and other buried utility systems. Engineered with high-strength steel and advanced anti-corrosion coatings, our products provide long-term protection and reliable performance in demanding environments.

Since 1995, Poongkuk SI has accumulated extensive experience and technical expertise in underground infrastructure protection. As a trusted supplier to major energy, power, and telecommunications projects throughout South Korea, we continue to deliver solutions that enhance safety, durability, and operational reliability.

Features

Superior Mechanical Strength

Manufactured from high-strength steel, our protective plates effectively absorb and distribute impacts from excavators, heavy machinery, and other construction equipment, helping prevent damage to underground facilities.

Excellent Corrosion Resistance

Advanced tar epoxy coatings provide outstanding corrosion resistance and ensure long-lasting performance, even in harsh underground environments.

Efficient Installation

Standardized product dimensions and customizable specifications enable efficient installation, maintenance, and replacement while meeting a wide range of project requirements.

Enhanced Safety

By minimizing the risk of accidental damage during excavation work, our protective steel plates help protect critical infrastructure, reduce maintenance costs, and improve overall site safety.