- A Class 4 impact rating is the key that unlocks most metal-roof insurance discounts.
- Typical savings are 10–30%, reaching 35% in high-hail areas; on a $1,200 policy that's ~$120–$360 a year.
- Savings are highly location- and insurer-dependent — some carriers offer little or nothing.
- Watch for a 'cosmetic hail damage exclusion,' which some insurers attach to metal-roof discounts.
How the discount works
Insurers price risk. A metal roof that resists hail, wind, and fire is less likely to generate a claim, so many carriers reward it with a lower premium. The single biggest factor is the roof's impact rating: a Class 4 rating (the top tier under the UL 2218 impact test) signals maximum hail resistance, and a Class A fire rating adds wildfire protection.
How much can you save?
Most homeowners with a qualifying metal roof see a premium discount of about 10–30%. On a typical $1,200 policy that is roughly $120–$360 back each year. In hail-prone regions the numbers climb — in parts of Texas like Dallas, Fort Worth, and Arlington, discounts of 15–35% are common.
But it is not universal. The discount depends on your insurer, your state's regulations, your roof's exact specification, and your local hail and wind risk. Some carriers offer only a few percent, and a handful offer nothing — so it pays to ask before you buy.
How to get the discount
- Choose a Class 4 impact-rated (and ideally Class A fire-rated) metal roof.
- Ask your installer for documentation of the panel's UL 2218 Class 4 rating and product specs.
- Send that documentation to your insurer and request a wind/hail-resistant roof credit.
- Re-shop your policy — carriers weight roof resistance very differently, especially in hail states.
Watch for the cosmetic-hail exclusion
Some insurers grant the discount but attach a "cosmetic damage exclusion," meaning they won't pay for purely cosmetic hail dents that don't affect performance. That is usually a fair trade for a long-lasting metal roof and a lower premium — but read the endorsement so you know what is and isn't covered.
Where it matters most
The discount is largest where the weather is worst: hail alleys (Texas, Oklahoma, Colorado), high-wind coastal and tornado regions, and wildfire zones. If you live in one of these areas, a Class 4 metal roof can be one of the highest-return home upgrades you make — protection and premium savings in one.