Few home-maintenance projects are as important as exterior painting because paint and caulking form the first line of defense against rain, snow, and ice. And a nice paint job will enhance the curb appeal and resale value of your home, too.

You want to repair and repaint as soon as you notice paint starting to crack, blister, and peel. Ignoring these problems will lead to a much more extensive—and expensive— job. Below are seven exterior painting tips every homeowner should know, whether you’re planning to paint the house yourself or hire a pro.