Purlins & Girts - Stratco
Steel Frame Bolt through the outer web hole (closest to the sheeting) and the inner flange. NOTE: Lap (12.5% of Span) MATERIAL Stratco purlins are manufactured from hi-tensile, zinc coated steel complying with AS1397, with a minimum yield stress of 450MPa and Z350 (g/m ²) coating mass. Individual mass and steel grade for