Reviewed and approved by Samuel Corso, licensed Texas insurance agent.

Are impact-resistant shingles worth it in Texas?

It depends on two numbers nobody can look up for you: what the upgrade costs on your house, and what your own insurer credits for it. The Texas Department of Insurance (TDI) confirms the credit exists — and is equally clear that the size of it isn't set by the state.

This is one of the few roof decisions that can move your premium in the right direction. Most roof facts work against you: age, wear, condition, prior claims. A stronger roof is the exception. But it only turns into a discount if the product is the right class, carries the right label, and gets documented the right way — and all three of those are easy to get wrong when the roofer is already on the drive.

Here's what we'll cover: what TDI says about the discount, how the Class 1-4 rating works, why the label matters more than the material, the form your contractor has to fill out, what the upgrade doesn't do, how it interacts with your wind and hail deductible, the coastal wrinkle, and what to ask before you sign a roofing contract.

The short answer

TDI's roof guidance puts it in one sentence:

"Consider using roofing materials less likely to be damaged by wind, hail, or fire. Your insurance company might give you a discount for using them."

TDI's home insurance guide lists an impact-resistant roof among the things companies commonly discount for, alongside "a monitored burglar or fire alarm system," "a sprinkler system," and "a newer home or a home in good condition."

Note the word TDI uses: might. There's no single statewide discount to quote you, and this page won't invent one. TDI's page on roofing credits is explicit about where the number comes from:

"The amount of discount for each class of roofing material is established by the insurance company on a company-by-company basis."

Which means the only number that matters to your decision is the one your own insurer gives you — and the time to ask for it is before the roof goes on, not after.

How the Class 1-4 rating works

"Impact-resistant" isn't a marketing description. It's a test result. TDI:

"To qualify for a discount, roofing materials must be tested for impact resistance at a test laboratory in accordance with a recognized test standard."

And the outcome of that test is a class:

"Roofing materials that have passed the test criteria are classified as either Class 1, 2, 3 or 4."

Higher is stronger, and TDI says where the money is: "A Class 4 roof covering would receive the highest premium credit."

The test standard most often named is UL Standard 2218 — the one TDI cites for Texas Windstorm Insurance Association eligibility: "To be eligible for the credit, the roofing materials must have passed UL Standard 2218 and be classified as either Class 1, 2, 3, 4."

This applies well beyond asphalt shingles. TDI's roofing-credit guidance covers roof coverings in the form of shingles, tiles, shakes, formed metal panels and sheets — so a metal or tile roof can carry a class rating the same way a shingle does.

The label is the thing

Here's the detail that costs people the credit, and it has nothing to do with how good the roof is.

TDI requires qualifying products to carry the proper Underwriters Laboratories label — or the label of another lab approved by TDI — showing the impact-resistance classification, the manufacturer's name, the year of manufacture and the brand name. And then this, in TDI's own emphasis:

"Roofing materials that do not comply with this requirement, even though they meet the required impact resistant standard, DO NOT qualify for the insurance credit from TWIA."

Read that again, because it's unusual. A roof can be genuinely impact-resistant, pass the standard, perform in a hailstorm — and still be disqualified from the credit on paperwork alone. The label is what an insurer can verify. Without it, there's nothing to verify.

Practically: keep the wrapper. Photograph the labels on the bundles before they go up on the roof, and ask the roofer to leave you documentation of the exact product installed.

The form your contractor fills out

There's a specific piece of paperwork. TDI:

"Once the roofing material has been installed, the contractor must fill out TDI form PC068."

That's the Impact-Resistant Roofing Installation Form, which goes to the policyholder, the agent and the insurance company. TDI notes it's required by TWIA for credit eligibility, and that other insurers may accept the same form or ask for their own documentation.

So the sequence looks like this: confirm the class and credit with your insurer → buy a labeled product → have the contractor complete the installation form → send it to your agent or company. Skip a step and the discount may simply never appear on your renewal.

What it doesn't do

Worth being straight about the limits, because roofing sales pitches sometimes aren't.

It isn't a guarantee against hail damage. TDI's phrasing is "less likely to be damaged" — not won't be. Large enough hail damages strong roofs too, and a Class 4 rating is about relative performance in a laboratory impact test, not immunity in a Texas storm.

It doesn't change your deductible on its own. Your wind and hail deductible is a separate line on your policy, usually a percentage of your dwelling coverage rather than a flat amount. TDI's roof guidance says to check it: "Ask your agent if the deductible for wind and hail damage is different than the deductible for other types of damages." A premium credit and a percentage deductible are two different levers — see our guide on how the wind and hail deductible works for the math on the second one.

It doesn't pay for the upgrade. Insurance pays for covered damage, not for improvements. TDI is blunt on the general point: your company "won't pay for a new roof just because it's old or worn out." If a covered storm does destroy the roof, whether the settlement covers an upgrade to a higher class depends on your policy wording — that's a question for your adjuster, in writing, before the work starts.

It doesn't undo an old roof. TDI: "Some policies pay up to the full cost to repair your roof at current prices. This is called replacement cost coverage. Some policies pay less if the roof is older or showing wear. This is called actual cash value coverage." A new impact-resistant roof usually resets that question in your favor — but it's worth confirming which basis your renewal puts you on. Our guide on home insurance with an old roof in Texas covers how age changes the terms.

Where it may help most: price, and getting covered at all

The discount is the visible benefit. The less visible one is eligibility.

TDI: "Your insurance company will inspect your roof when you apply for insurance. They may charge you more or refuse to insure you based on what they see." In parts of Texas where carriers have tightened up on roof condition, a new, labeled, well-documented roof changes what an underwriter sees. TDI's column adds the plain version: "New roofs often get a better rate than older ones."

If you're on the coast, there's a further layer: TWIA has its own credit rules, and TDI's guidance above is written around them. Our guide on windstorm insurance and TWIA in Texas covers how that coverage works.

Before you sign a roofing contract

The decision isn't really "are impact-resistant shingles good." It's whether the extra cost on your roof is repaid by the credit your insurer gives, over the years you'll own the house. That's arithmetic you can only do with two real numbers, so get both before the contract is signed:

1. Ask your insurer what it credits for Class 4 — and Class 3, Class 2. TDI says the amount is set company by company, so this is a call to your own agent or company, not a general fact to look up.
2. Ask what documentation they require. TDI names form PC068 for TWIA; your company may want that or something of its own.
3. Get the upgrade cost in writing from the roofer, separated out as a line item, so you can compare it against the credit rather than guessing.
4. Confirm the exact product and class, and that it carries the required label. TDI's rule is unambiguous: no compliant label, no credit from TWIA.
5. Ask whether your wind and hail deductible changes too, and what basis your roof is covered on — replacement cost or actual cash value.
6. Then ask what a different carrier would do with the same roof. Since the credit is set company by company, the same Class 4 roof isn't worth the same everywhere.

TDI also suggests keeping an eye on the roof between storms: "Hire a roof inspector every few years to find issues early."

Key facts

• The discount is possible, not automatic. TDI: "Your insurance company might give you a discount for using them."
• The amount isn't set by the state. TDI: "The amount of discount for each class of roofing material is established by the insurance company on a company-by-company basis."
• Ratings run 1 to 4. TDI: materials that pass "are classified as either Class 1, 2, 3 or 4."
• Class 4 earns the most. TDI: "A Class 4 roof covering would receive the highest premium credit."
• The test standard is named. TDI, on TWIA eligibility: materials "must have passed UL Standard 2218."
• The label can make or break it. TDI: materials without the required label, "even though they meet the required impact resistant standard, DO NOT qualify for the insurance credit from TWIA."
• There's a form. TDI: "Once the roofing material has been installed, the contractor must fill out TDI form PC068."
• An impact-resistant roof is on TDI's discount list, alongside alarm systems, sprinkler systems and newer homes.
• Stronger, not invincible. TDI's wording is materials "less likely to be damaged by wind, hail, or fire."
• TDI's Help Line is 800-252-3439.

Sources: Texas Department of Insurance — Products qualifying for impact-resistant roofing credits, Insurance and your roof: What to know when buying a policy or filing a claim, What to know about insurance and your roof, Home insurance guide (CB025), Impact-Resistant Roofing Installation Form (PC068). TDI's Help Line is 800-252-3439, Monday to Friday, 8 a.m. to 5 p.m. Discounts, credits, deductibles, documentation requirements and roof coverage terms vary by company and by policy; your own declarations page and policy wording govern. This page is general information, not legal advice. For a question about your own policy, read the policy, ask your agent, or contact the Texas Department of Insurance.

Take the next step

If a re-roof is anywhere on your horizon, make two phone calls before the first shingle is ordered. One: ask your insurer what it credits for each impact-resistance class and what proof it wants. Two: ask your roofer for the upgrade cost as a separate line, and for the product's class and label documentation in writing. Those two answers turn a sales pitch into a calculation you can actually run.

And if the answer from your current carrier is underwhelming, that's useful information too — TDI's own framing is that the credit varies company by company, which means the same roof may be valued very differently elsewhere.

Credify is a licensed insurance agency in Texas. We compare quotes from multiple licensed Texas carriers in one short form, with no obligation. Each insurer is solely responsible for its own products. If you're weighing a roof decision against your coverage, our guides on does home insurance cover roof damage in Texas and how to choose home insurance in Texas are a good place to start. 📞 Talk to Credify 24/7.