A rod for preventing the sagging of an open-web steel joist that is used as a purlin with its depth at right angles to a roof slope. Diagonal bracing of sag-rod is more effective in stress reversal condition. The alignment of sag-rods plays an important role in transferring the stresses.
![SAG ROD SAG ROD](https://www.raksteels.com/wp-content/uploads/2022/08/SAG-ROD-1.jpg)
SAG ROD
![SAG ROD FIXING SAG ROD FIXING](https://www.raksteels.com/wp-content/uploads/2022/08/7.jpg)
SAG ROD FIXING