If it’s been quite a few years since your garage door was last painted, or you’ve never repainted it, and it’s an older model, it could probably use a fresh coat. Painting your garage door can help to keep it protected from the elements, and can also modernize it and allow it to tie into your home’s overall aesthetic. It can also boost curb appeal and value if you’re thinking about selling. However, what should you know about the painting process?