Real Heavy Duty:; Weighs 600 lbs and withstands winds up to 12 on the Beaufort Scale when properly secured—unmatched stability, except during a hurricane.Built to Last:; Constructed with 2" x 2", 19-gauge high-strength steel poles and reinforced roof & side stringers for anti-collapse safety; triple rust-resistant coating for maximum durability.Big and Tall:; Dimensions: 21' x 13'2" x 10'10" with a 27-gauge sheet metal roof; snow load capacity of 12,000 lbs—ideal as a permanent carport for superior vehicle protection.Easy Assembly:; Use drills, ladders, and gloves; assemble with a friend following the manual. Estimated setup time: 6 hours.