Galvanized roofing nails are steel nails that are zinc-coated. They hold up better against rust, and they can also be used for asphalt shingles. ... The length of the nail is the shank, and the shank can also vary. Screw shank nails are twisted and have sharp diamond tips, and they are used to securely fasten wood roofs.
In a number of states, roofing contractors need to get licensed in order to perform roofing work. Obtaining a roofer license bond is a common licensing requirement. Not all states require a roofing contractor license and bonding, but contractors may have to get a bond to meet county criteria, too.Dec 8, 2017
It's bad enough that a fall might kill you, but roofers face a whole host of other on-the-job hazards as well. Burns from volatile tars and chemicals, electrocution from contact with exposed power lines, and injuries from falling tiles and other roofing debris are just a few of the risks roofers face each day.Sep 11, 2014