• Minimum Headlap – 75mm
• Maximum Gauge – 345mm
• Minimum Pitch – 22.5° (75mm Headlap) 17.5° (100mm Headlap)
• Cover Width – 305mm
• Nail Size – 40mm x 3.35mm Slate Nails
• Batten Size – 50 x 25mm for rafters not exceeding 600mm
• Covering Capacity – 75mm headlap – 9.7 Tiles /m² (Tiles /m²) 100mm headlap – 10.5 Tiles /m²