Perfect for Indoor, Outdoor ,Backyard, Lawn, Garden, Balcony, Poolside Arch Ø (mm):Ø40×1.5 Purlin Ø (mm)：Ø40×1.5 Snow Load: 42 lbs/ft² Wind Load：50 miles/h Temperature Resistance：-22 – +158 °F. Truss Spacing: 6.6 ft.