The best in the industry, DECRA metal roofing products carry a Lifetime Limited Warranty. Additionally covering 120 mph winds, hail penetration for any size hail. This also covers manufacturing defects, including excessive granule loss. In addition, material and labor are covered for the first 20 years. After that time, material is covered for the remaining warranty period.
In many states, the Class 4 Impact Resistance rating can earn discount on homeowners insurance.
Ask your local insurance agent for details.