Built from G-90 galvanized steel that resists rust and corrosion. Curved corrugated profile with a 2″ (50 mm) pitch and 0.5″ (12.5 mm) depth, engineered for strength and water drainage. A reinforced safety lip runs the top edge, and 2″ (50 mm) side flanges fasten it securely to the foundation wall. Manufactured in Calgary; ships in 1–2 business days.