GAF Materials Corp., Wayne, N.J., introduces the new Cobra® Ridge Vent specifically designed for installation with nail guns. The ridge vent comes with 1 3/4-inch coil nails. When used with just about any type of nail gun, it installs in as little as half the time, yet still provides safety, efficiency and peace of mind. The product is virtually invisible when installed, offers superior protection and comes with a 40-year limited warranty.