The question most Cumming homeowners are really asking after a hail season is what roofing material holds up best. The relevant standard is UL 2218, which drops a steel ball onto a shingle from increasing heights and rates the result Class 1 through Class 4. Class 4 is the highest rating, meaning the shingle survived a two-inch steel ball dropped from twenty feet without the mat cracking.
A Class 4 rating reduces the severity of hail damage. It does not make a roof hail-proof. Large hail can still bruise, fracture granules, and produce a covered loss on an impact-rated roof, so treat the upgrade as risk reduction rather than immunity.
Many Georgia carriers offer a premium discount for a Class 4 installation. The size of that discount varies by carrier, and it is not universal, so ask your carrier directly before assuming it applies to your policy. Get the answer in writing along with what documentation they need from the installer.
One point that surprises homeowners mid-claim: if your roof is already being replaced under an approved claim, upgrading to impact-rated is usually an out-of-pocket difference you pay, not something the carrier funds. The carrier owes like kind and quality for what was there. The upgrade is your decision and your cost.
Common Class 4 products you will see quoted in this market, listed without endorsement:
- ·GAF Timberline AS
- ·CertainTeed Landmark IR
- ·Owens Corning Duration STORM
- ·Atlas StormMaster Shake