Don't underestimate the importance of your home's garage door, as that door is what keeps items you have stored in your garage safe and secure from potential thieves. A strong door also cuts down on humidity, heat, and cold that might get trapped in the garage, protecting your car's battery from draining and protecting tools and other metal pieces from early rust. While you have many options for the material of a garage door, note why steel may be the best out of all your choices: