Sag Rod

Sag Rod

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Sag rods are tension members used in steel roofing systems to support purlins and prevent sagging. They improve structural stability by distributing loads and maintaining alignment over long spans.

Additional information

Size

12MM (Can Customize)
Material Name

Mild Steel / Galvanized Steel
Material Source

Manufactured from high-strength steel rods, cut and threaded at both ends. Galvanized or zinc-coated for corrosion protection when used in exposed or humid environments.
Material Performance

1.High tensile strength
2.Good corrosion resistance (with galvanization)
3.Long-lasting structural support
4.Withstands high tension loads
5.Minimal elongation under load
Benefits

Prevents sagging and deflection of purlins

Increases the rigidity of roofing structures

Suitable for long-span metal roofs
Usage

Commonly used in pre-engineered buildings, steel sheds, and industrial roofing systems. Positioned between purlins to counteract downward force and reduce bending over long spans.
Packaging

Supplied in bundles, typically tied with steel wire or strapped and labeled by length and diameter. Protective end caps may be added to preserve threading during transport.
Precautions

Installation Care:
Ensure rods are properly aligned and tensioned before tightening nuts. Misalignment can affect load distribution.

Storage:
Keep in a covered, dry space to prevent rust. Avoid stacking directly on the ground.

Maintenance:
Inspect regularly for signs of corrosion, bending, or loosening—especially in coastal or high-humidity environments.

Cutting and Threading:
If cut onsite, re-thread ends carefully and apply anti-rust treatment to exposed surfaces.

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