Galvanized Sag Rods – Precision Support for Roof & Purlin Alignment Galvanized Sag Rods are used to minimize sagging in purlins and maintain proper alignment in industrial roofing structures. Manufactured with precision threading and heavy zinc coating, these rods provide excellent structural support, stability, and corrosion resistance — even in coastal or high-moisture environments.✅ Hot Dip Galvanized for long-term rust pro ... Continue