Mr. Fix It Lou Manfredini is back with some tips on caulking. Love the WGN Morning News? We love you, too. And you can have all the hijinks delivered to your inbox every weekday morning. Sign up ...

Don’t wait until leaks and water damage wreak havoc on your home. Instead, apply an effective seal to your home’s seams with exterior caulk.

We’ve included the rest of our recommendations on the best caulking guns below, as well as useful tips for how to choose the tool that’s right for you.