How to square a roof for metal projects
If you're trying to figure out how to square a roof for metal, you probably already realize that metal roofing is one of the least forgiving materials out there. Unlike asphalt shingles, which you can smudge or stretch a little bit to hide a crooked roofline, metal panels are rigid, straight, and honest. If your roof isn't square when you start laying that first sheet, you're going to notice it pretty quickly as you work your way across the deck. By the time you get to the far end, you might find yourself with a massive gap or a panel that hangs off the edge by several inches. ...