The $8,000 Phone Call After the May Storm

Last May, a Frisco homeowner called our office three days after a supercell tore through Collin County. Golf-ball hail. Shredded gutters. Standard architectural shingles cracked from ridge to eave. His wind and hail deductible was 2% of his $400,000 dwelling coverage — that’s $8,000 out of pocket before the carrier paid a dime.

His neighbor, two doors down, had the same storm. Same hail. Same builder. But she’d installed Class 4 impact-resistant shingles eighteen months earlier. Her roof had dents. Zero cracks. No functional damage. No claim needed. And her annual premium? It was $950 less than his — because her carrier applied a 28% impact-resistant roofing credit to her dwelling coverage.

Two houses. Same storm. One paid $8,000 and filed a claim that will follow him at renewal. The other paid nothing and kept her discount.

Proverbs 27:12 says it plainly: “A prudent man foreseeth the evil, and hideth himself; but the simple pass on, and are punished.” A Class 4 roof is foresight in physical form. But only if the policy behind it is built correctly. That’s what this guide is about.

For a broader view of how the Texas home insurance system works — coverage types, policy forms, deductible structures — start with our full Texas home insurance guide. What follows is the Class 4-specific playbook.

Like our Facebook page for more insights like this — we publish North Texas insurance intelligence you won’t hear from your roofer or your builder.

What a Class 4 Impact-Resistant Roof Actually Is

Think of it like body armor for your house. Standard architectural shingles are a t-shirt. Class 4 shingles are a Kevlar vest — same size, same shape, completely different engineering under the surface.

The classification comes from a test called UL 2218, developed by Underwriters Laboratories. It’s the same organization that certifies the electrical panel in your home. They don’t take shortcuts. Here’s the test:

• A 2-inch solid steel ball (weighing 1.4 pounds) is dropped from 20 feet onto the shingle surface.
• The ball strikes the same spot twice.
• If the shingle shows no cracking, splitting, or rupture on either side, it earns a Class 4 rating.

That’s designed to simulate the force of baseball-sized hailstones traveling at terminal velocity — the kind of hail that rolls through Collin and Denton Counties every spring. Standard shingles fail this test. Class 4 shingles pass it because they’re manufactured with SBS (Styrene-Butadiene-Styrene) polymer-modified asphalt. In plain English: the asphalt is blended with a rubberizing compound that flexes on impact instead of fracturing.

There are four classes in the UL 2218 system (Class 1 through Class 4), but only Class 4 delivers the maximum insurance credit. Anything below Class 4 earns a smaller credit — or none at all, depending on your carrier. If you’re upgrading, go all the way.

The Insurance Math: How 20–35% Savings Actually Works

Here’s the detail that matters — and that most roofing company websites gloss over. The discount applies to your dwelling coverage premium (Coverage A), not your entire homeowners insurance bill. Your policy also includes personal property, liability, medical payments, and loss of use — those portions are unaffected by your roof type.

But dwelling coverage is the largest component of your premium — typically 50–65% of the total. So a 25% discount on dwelling coverage translates to roughly a 12–20% reduction in your total annual premium. That’s still significant, especially in a market where Texas homeowners premiums have climbed 55%+ since 2019.

Let’s run the real numbers on a typical North Texas home:

And that table doesn’t include the avoided claims. Every hail claim you don’t file is a rating factor you don’t trigger — which keeps your renewal premium lower and your carrier options wider. In today’s North Texas underwriting environment, claim-free history is as valuable as any discount.

For a deeper look at how roof valuation affects your claim payout, see our guide to actual cash value vs. replacement cost on your roof.

The Cosmetic Damage Exclusion Trap (What Your Roofer Won’t Tell You)

This is the section that separates an insurance agent’s perspective from a roofing contractor’s pitch. And it’s the reason we wrote this article.

Many Texas carriers that offer the Class 4 discount also require you to accept Endorsement HO-145 — officially titled “Exclusion of Cosmetic Damage to Roof Coverings Caused by Hail.” This endorsement was adopted by the Texas Commissioner of Insurance under Order No. 98-0390 and has been part of the Texas Personal Lines Manual since 1998.

Here’s what it means in practice:

• If hail cracks your Class 4 shingles (functional damage), your claim is covered normally.
• If hail dents your Class 4 shingles but doesn’t crack them (cosmetic damage), the carrier pays $0. The exclusion applies.

Class 4 shingles are engineered not to crack. That’s the whole point. But they will dent. And under HO-145, dents without cracks are cosmetic — not covered. So the very feature that makes Class 4 shingles valuable (flex without fracture) is the same feature that triggers the cosmetic exclusion.

Is that a bad deal? Not necessarily. But you need to understand the trade-off before the roofer is on your roof:

• If you’re keeping the home long-term and your primary goal is lower premiums and fewer claims, the Class 4 + cosmetic exclusion combination often makes sense. You save hundreds per year, your roof performs better, and you avoid the 2% percentage deductible entirely for most storms.
• If you’re selling within 3–5 years and curb appeal matters, a heavily dented roof with no insurance coverage for cosmetic repair could be a problem. A buyer’s inspector will flag dented shingles.
• If your carrier offers the discount WITHOUT a cosmetic exclusion — and some do — that’s the best of both worlds. This is exactly the kind of comparison an independent agent runs for you.

Our parametric wind and hail deductible buyback guide explains another tool that can offset the deductible gap regardless of your roof type.

How to Claim Your Class 4 Discount: The Documentation Checklist

The discount is not automatic. Your carrier won’t apply it unless you provide proof. We’ve seen homeowners spend $20,000 on a new Class 4 roof and never submit the paperwork — leaving hundreds of dollars a year on the table indefinitely. Here’s what you need:

• Step 1 — Contact your insurance agent BEFORE installation. Some carriers require pre-approval. Some offer mid-term adjustments; others apply the credit at renewal. We can tell you exactly how your carrier handles it.
• Step 2 — Get a detailed invoice from your roofing contractor. It must list the specific brand, product name, and UL 2218 Class 4 rating. A generic invoice that says “new roof” will not trigger the discount.
• Step 3 — Obtain the manufacturer’s installation certificate. This is the official document confirming the shingles meet UL 2218 Class 4 standards. Your contractor should provide this; if they can’t, that’s a red flag.
• Step 4 — Complete TDI Form PC068 (Impact-Resistant Roofing Installation Form). This is the Texas Department of Insurance form that many carriers require. Your contractor fills it out; you submit it to your agent.
• Step 5 — Confirm the credit on your declarations page. After submission, verify that the roof deductible and dwelling premium reflect the new rating. If not, follow up. Credits that aren’t applied within 60 days should be escalated.

Already planning a roof replacement? This is the perfect time to shop your entire homeowners policy — not just the shingle. A new Class 4 roof makes you a more attractive risk to every carrier in the market. Leverage the upgrade to compare options from 75+ carriers and find the best combination of Class 4 credit, deductible structure, and coverage form.

The Agent’s Office® Advantage: We Review the Policy Before the Roofer Shows Up

Every roofing company in North Texas will tell you to install Class 4 shingles. That’s their business — they sell roofs. But they don’t sell insurance. They can’t tell you which carriers offer the highest Class 4 credit. They can’t tell you which carriers require a cosmetic waiver and which don’t. And they definitely can’t tell you whether your current policy form, deductible structure, and roof settlement clause are set up to maximize the value of the upgrade.

The Agent’s Office® is an independent agency in Frisco representing 75+ carriers. When a client tells us they’re replacing their roof with Class 4 shingles, here’s what we do:

• Pre-installation audit: We review your current policy to identify the exact dwelling premium, current roof credit (if any), and whether a cosmetic exclusion is already in place.
• Carrier comparison: We quote the post-upgrade profile across multiple carriers to find who offers the highest Class 4 credit — some carriers offer 20%, others 35%. That’s a $500/year difference on a single rating factor.
• Exclusion transparency: We clearly flag which carriers require the cosmetic damage exclusion and which don’t — so you make the trade-off decision with full information, not a surprise at claim time.
• Documentation support: We walk you through TDI Form PC068, confirm the credit is applied, and verify it on your updated declarations page.

Your roofer builds the roof. We build the policy around it. That’s how you capture every dollar of savings without creating a coverage gap you didn’t know existed.

For more strategies to bulletproof your Frisco home against storm damage, start with the physical protections — and let us handle the financial ones.

Follow The Agent’s Office® on Facebook for weekly hail season updates, carrier discount alerts, and coverage tips tailored to North Texas homeowners.