

Class 4 is the highest UL 2218 rating for hail-resistant shingles. It means the shingle survived a 2-inch steel ball dropped from 20 feet without cracking, splitting, rupturing, or opening on the back side. That sounds reassuring, especially after a Columbus storm leaves the yard covered in ice pellets and branches. But a laboratory impact…

Impact-resistant shingles typically cost $0.50 to $2.50 more per square foot than standard architectural shingles, and that usually works out to about $1,000 to $5,000 more on a typical roof replacement, depending on roof size and shingle class. If you're staring at a roofing estimate in Columbus and wondering whether the upgrade is worth it,…
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