If you're replacing your roof in Austin or anywhere in Central Texas, you've probably heard the pitch: upgrade to Class 4 shingles and your insurance company will cut you a discount. There's truth to that — but it's not quite that simple.

Class 4 impact-resistant shingles can qualify for a premium credit in Texas, but the amount of that credit, which products your carrier accepts, and what documentation you'll need to provide all vary by insurance company and policy. The Texas Department of Insurance is explicit that each insurer sets its own test criteria, verification requirements, and paperwork standards. So before spending extra on a Class 4 roof, here's what homeowners should actually know.

What Does "Class 4" Actually Mean?

Class 4 is the highest impact-resistance classification under UL 2218, the standardized test used to evaluate how well roofing materials hold up to impact. Roofing products are tested and classified as Class 1, 2, 3, or 4, with Class 4 representing the top tier — and, according to TDI, the classification that typically carries the highest potential premium credit. It's worth noting that "impact resistant" and "Class 4" aren't automatically the same thing; a product needs to actually earn that top rating through testing, not just claim general durability.

For Central Texas homeowners, where hail is a real and recurring concern, the added resistance can be worth considering on its own merits, even before you factor in any insurance discount.

Class 4 Impact-Resistant Shingles and Texas Insurance Discounts: What's Real

Does Class 4 Automatically Get You a Discount?

No — and this is one of the biggest misconceptions homeowners run into. Installing a Class 4 shingle doesn't automatically drop your premium by some fixed percentage. Your insurance company decides whether it offers an impact-resistant roofing credit at all, which testing standards it accepts, which specific products qualify, how large the credit is, what documentation it requires, and when the credit actually takes effect. Texas regulators confirm that the discount amount is set individually by each insurance company, not by a statewide formula. That's exactly why we recommend calling your insurance agent before you choose your shingles, not after.

How Much Can You Actually Save?

There's no single number that applies across the board. You may come across websites advertising savings of 10%, 20%, 30%, or more — don't assume any of those numbers apply to your specific policy. The most reliable way to find out is to call your agent and ask directly what premium credit you'd receive for a UL 2218 Class 4 impact-resistant roof on your current policy, and what documentation they'd need to apply it. That gives you a real, usable number instead of a generic internet estimate.

Class 4 Impact-Resistant Shingles and Texas Insurance Discounts: What's Real

Four Questions to Ask Your Insurance Company

Before signing a roofing contract, it's worth getting answers to a few specific questions. Ask whether your policy offers a discount for Class 4 impact-resistant roofing in the first place, since not every policy treats impact resistance the same way. Ask which exact testing standard they require — UL 2218 is the common benchmark, but your carrier will confirm what they accept. Ask which specific products qualify, since not every Class 4 shingle automatically meets a given carrier's requirements. And ask what documentation they'll need, because getting the right roof installed is only half the process — you also need to be able to prove what was actually installed.

What Documentation Will Your Insurer Want?

This is where the process varies the most by carrier. Insurers set their own rules for how qualifying materials must be labeled and what paperwork needs to be submitted. TWIA, for example, requires qualifying roofing materials to carry proper lab labeling identifying the manufacturer, brand, year manufactured, and UL 2218 impact classification, and it requires the contractor to complete the TDI PC068 Impact-Resistant Roofing Installation Form after the job is done. Other carriers may use their own forms or documentation requirements entirely. Ask your agent for the exact paperwork before installation starts, not after.

What Is the TDI PC068 Form?

The PC068 Impact-Resistant Roofing Installation Form is a Texas Department of Insurance form used to document a qualifying impact-resistant roof installation. The contractor fills it out after the roof is installed, and it's then provided to the homeowner and insurance agent. It's worth noting that TDI allows individual insurance companies to either use this form or require their own — so it's not a universal requirement across every carrier. If you're pursuing a credit, confirm the documentation process with your contractor before the project begins.

Class 4 Impact-Resistant Shingles and Texas Insurance Discounts: What's Real

Class 4 Isn't Just About the Insurance Discount

Even if your carrier doesn't offer a meaningful credit, Class 4 shingles can still make sense for the right home. The core benefit is impact resistance itself — a Class 4 roof is built to withstand a higher level of impact during standardized testing than lower-rated products. That doesn't make it hail-proof; no shingle can guarantee protection against every storm. But if your home sits in an area that sees frequent severe hail, upgrading to a more impact-resistant product is worth at least pricing out.

Class 4 vs. Standard Architectural Shingles

This isn't simply a cheap-roof-versus-expensive-roof decision. Standard architectural shingles typically carry a lower impact rating, good (but not enhanced) hail resistance, an insurance credit that depends entirely on your carrier, a lower initial cost, and value that depends heavily on your location. Class 4 shingles carry the highest UL 2218 classification, enhanced hail resistance, a better chance of qualifying for a credit, a usually higher upfront cost, and potentially stronger long-term value in hail-prone areas. The real question is whether the added upfront cost makes sense for your specific home and policy.

Which Class 4 Products Should You Consider?

Several manufacturers produce impact-resistant roofing. At JP Exteriors, we work with major roofing brands including GAF, Owens Corning, IKO, and Malarkey, each with different product lines, colors, warranties, and impact-resistant options. What matters isn't just picking a brand name — it's verifying the exact product you're buying and confirming it meets your specific insurance company's requirements.

Don't Let Anyone Promise You a Guaranteed Discount

This distinction matters. A roofing contractor can tell you a product is Class 4 and provide the right installation documentation, but your insurance company is the one that determines whether and how much of a premium credit you actually receive. Be cautious of anyone who guarantees a specific savings percentage without having reviewed your actual policy and confirmed it with your carrier. The better approach: choose the right roofing product first, verify the insurance requirements with your agent, and make sure the installation is documented properly.

Is Class 4 Worth the Extra Cost?

For a lot of Central Texas homeowners, it's at least worth getting a quote on. The upgrade tends to make sense if your neighborhood sees frequent hail, your insurance company offers a meaningful credit, the price difference is reasonable, you're planning to stay in the home for several years, and you value the added impact resistance on its own. On the other hand, if your carrier offers little or no credit and the upgrade carries a steep premium, a standard architectural shingle may deliver better overall value. The right call comes down to the actual numbers for your situation.

The Smartest Way to Compare Your Options

Before you choose a roof, get three numbers in hand: the price of a standard architectural roof, the price of the Class 4 upgrade, and the actual insurance credit available on your specific policy. From there, you can calculate roughly how long it would take for the insurance savings to offset the extra cost — while keeping in mind you're also getting the benefit of the upgraded impact resistance the entire time you own the home.

Frequently Asked Questions

Does Class 4 roofing lower homeowners insurance in Texas?
It can. Texas insurers may offer premium credits for qualifying impact-resistant roofing, but the amount and requirements vary by insurer and policy.

Is Class 4 the highest impact rating?
Yes. Under the UL 2218 classification system, Class 4 is the highest impact-resistance rating available.

Does every Class 4 shingle qualify for an insurance discount?
Not necessarily. Your insurance company determines which testing standards, products, labels, and documentation it accepts.

What paperwork should I get after installing a Class 4 roof?
Ask your insurance company directly. Depending on the carrier, this may include a contractor-completed certification form, manufacturer information, product labeling, or other documentation. TWIA, for example, requires specific product labeling plus the TDI PC068 installation form.

Should I call my insurance company before replacing my roof?
Yes. Ask about the available credit, the required impact rating, the specific products they accept, and the documentation needed.

Why JP Exteriors?

At JP Exteriors, we help Central Texas homeowners navigate their roofing options without making promises about insurance savings we can't guarantee. We'll help you compare roofing materials, including impact-resistant options, explain the real differences between products, and provide the documentation needed for your insurance company when applicable. And since we work with multiple major roofing manufacturers, you're never limited to a single shingle brand. The goal isn't to sell you the most expensive roof — it's to help you choose the roof that makes sense for your home, your budget, and the Texas climate.

Get Started With a Free Consultation

Considering a roof replacement in Austin or anywhere in Central Texas?

Before you pay extra for a Class 4 roof, call your insurance agent, know the credit, know the requirements, then make the decision.

Remember: When you refer a friend or neighbor for windows, siding, roofing, or door replacement, you can earn up to $250 through the JP Exteriors Referral Program.