If you’ve gotten a quote for a roof replacement recently, you’ve probably heard the term “Class 4 shingle” come up — especially here in Central Texas, where hail is a fact of life. Here’s what it actually means and whether it’s worth the upgrade.
What “Class 4” Means
It’s an impact-resistance rating (UL 2218) that shingles earn by surviving repeated hits from steel balls dropped from height in a lab test, simulating hail. Class 4 is the highest rating — the shingle has to survive the impact without cracking.
Why It Matters in Central Texas
Central Texas, including San Antonio and the Hill Country, sees some of the most frequent hail activity in the country. A standard architectural shingle can take hail damage that a Class 4 shingle would shrug off, which means fewer repairs and fewer insurance claims over the life of the roof.
The Insurance Discount Angle
Many Texas insurance carriers offer a premium discount for homes with Class 4 impact-resistant roofing — sometimes significant enough to offset a meaningful chunk of the upgrade cost over a few years. Discounts and eligibility vary by carrier, so it’s worth asking your agent directly what your policy offers before you decide.
What It Costs
Class 4 shingles (like Owens Corning Duration STORM, which we install) typically cost more per square than a standard architectural shingle, but the gap has narrowed in recent years, and the potential insurance savings plus fewer future claims often make up the difference.
Is It Worth It?
If you’re already replacing your roof, and especially if you’ve filed a hail claim before, it’s worth at least pricing out the Class 4 option and calling your insurance agent to ask about the discount before making a final decision. We’re happy to give you both numbers side by side on your estimate so you can compare.