secure door brace two pack (aluminum) secure door brace these well established and tested garage door braces can withstand category 5 hurricane winds. hurricanes, tornados, and wind protection. check with your insurance provider for a discounted rate on your homeowners insurance. 1 brace needed for each car in garage (1 car garage = 1 brace, 2 car garage = 2 braces, etc). easy for do-it-yourself project - all hardware included in the price.