> It's the same with roofers. They have no idea what galvanic corrosion is, and will invariably use the wrong nails for anything metal. Maybe, they don't need

> It's the same with roofers. They have no idea what galvanic corrosion is, and will invariably use the wrong nails for anything metal. Maybe, they don't need to? These trades should have cheatsheets where they can check for certain scenarios - like the 2 described, and it would provide Do's and Don'ts?