Wind uplift rating

For residential shingles, the relevant wind rating is the manufacturer's tested maximum — typically 110, 130, or 150 mph. Class H is the highest shingle wind-resistance designation under UL 2390 testing. NC building code references ASCE 7 wind-speed maps that assign design wind speeds by county; coastal and near-coastal counties require higher-rated products than the piedmont and mountains. The FORTIFIED Roof program adds requirements on top of code minimums, including enhanced nailing patterns and sealed deck seams.

On a storm claim, a roofing assembly that reached its rated limit is not a defective product — physics determined the outcome. But the wind-rating documentation matters for the claim narrative. If the original shingle was rated for 110 mph and NOAA's storm data shows 120-mph gusts in the area on the date of loss, that is a documented cause-of-loss argument that supports the supplement. We pull NOAA wind records for every wind-damage claim and include them in the claim package.