| A clamp on roof hook should support a
worker without a security rope. However occasionally a roof hook
may ride up and off over the ridge during use, causing the
ladder to slide off the roof. Having a rope tied to a secure
object as shown can prevent this type of accident.
Watch out for a bowed roof or a warped ladder. A roof hook with a large radius could be safer, but also heavier to handle
Typical Roof Hook