Why Class 4 Impact Resistant Shingles Matter for Your Roof Replacement
Understanding Impact Resistance in Asphalt Shingles When you start looking into a new asphalt shingle roof, you will run into a lot of numbers and test results. One that comes up frequently is the impact resistance rating. If you live in a place that gets hail, high winds, or just the occasional branch falling from a nearby tree, this rating deserves your attention. I have spent years working with asphalt shingles of all types, and the difference between a basic 3-tab shin