If you’ve filed a storm damage claim recently, you already know the drill — adjuster visit, claim estimate, schedule a contractor. Most homeowners just want their roof replaced and life back to normal. But at McCannical Roofing & Exteriors, we see every insurance claim as an opportunity to leave you with a stronger, smarter roof than the one the storm took out. That’s why we regularly upgrade our Georgetown, Round Rock, and greater Austin-area customers to the Owens Corning TruDefinition Duration STORM — a Class 4 impact-resistant roofing system — at no additional cost beyond their existing deductible or claim estimate.
What Is a Class 4 Impact-Resistant Roof?
Class 4 is the highest impact-resistance rating a shingle can earn under UL 2218, the industry-standard test developed by Underwriters Laboratories. To earn it, a shingle must survive a two-inch steel ball dropped repeatedly from 20 feet onto the same spot without cracking. Standard architectural shingles don’t come close to that standard. In Central Texas — where hail season is a yearly reality and storms can produce golf ball-sized hail — that rating is the difference between a roof that needs replacing every storm cycle and one that protects your home for decades.
Why We Recommend the Owens Corning Duration STORM
The Duration STORM earns its Class 4 rating through two patented technologies. WeatherGuard Technology integrates a polymeric backing material directly into each shingle, giving it the ability to absorb impact without cracking. SureNail Technology adds a reinforced fabric strip across the nailing zone, delivering significantly better wind resistance — the shingle is rated to withstand winds up to 130 mph. Together, they make for one of the most storm-ready asphalt shingles available in the Texas roofing market. The Duration STORM also includes algae resistance to prevent the black streaking common in humid climates, and it comes backed by a limited lifetime warranty from one of the most trusted names in roofing.
The Insurance Savings Are Real
Texas homeowners insurance rates have climbed sharply in recent years, largely because of catastrophic hail damage claims across the state. Installing a qualifying Class 4 roof gives you leverage back. Most major carriers — including State Farm — offer discounts on your dwelling premium once a Class 4 roof is documented. In Texas, those discounts typically range from 20% to 35% on the dwelling coverage portion of your policy. On an average Texas homeowners insurance premium, that can translate to several hundred dollars in annual savings, year after year, for as long as you own your home. Some insurers also reduce or eliminate hail-specific deductibles for Class 4 policyholders — a major benefit in a state where those deductibles can run 1–2% of your home’s insured value.
You Pay Nothing Extra — We Handle the Rest
When your insurance adjuster writes an estimate, it’s based on replacing your roof with materials of like kind and quality — typically a standard architectural shingle. The Duration STORM costs more than that baseline. But McCannical Roofing & Exteriors works within your existing claim amount to make the upgrade happen at no additional out-of-pocket cost to you. You pay your deductible. We handle everything else. Our customers walk away with a better roof, a lower insurance premium, and the peace of mind that comes with knowing their home is protected by one of the best impact-resistant roofing systems available — all without spending more than they were already prepared to spend.
If you’ve had storm damage, or if you’re just wondering whether your current roof is ready for whatever Texas weather brings next, give us a call. We serve Georgetown, Round Rock, Cedar Park, Leander, Liberty Hill, and surrounding communities across Williamson County and the Austin metro.
Phone: (512) 238-3000
Website: https://mccannicalroofing.com/
Frequently Asked Questions (FAQs)
What is a Class 4 roof and why does it matter in Texas?
Class 4 is the highest impact-resistance rating under the UL 2218 standard, the roofing industry’s benchmark test for hail and impact damage. In Texas — particularly in the Central Texas and Austin area, which sits in a high-frequency hail zone — a Class 4 roof provides the strongest protection against the type of storm damage that leads to expensive claims and premature roof replacement.
Will my insurance company actually give me a discount for a Class 4 roof?
Most major insurers operating in Texas do offer premium discounts for Class 4 impact-resistant roofing. Discounts typically range from 20–35% on the dwelling portion of your policy. You’ll need documentation from your contractor and, in some cases, a completed TDI Form PC068 from the Texas Department of Insurance. McCannical handles this paperwork for our customers as part of every job.
How does McCannical upgrade my roof to Class 4 without charging me more?
Your insurance claim covers the cost of replacing your roof with materials of comparable quality. We work within that approved amount and absorb the difference in material cost to upgrade you to the Owens Corning Duration STORM system. You pay your deductible — nothing more.
Is the Owens Corning Duration STORM shingle really that much better than a standard shingle?
Yes. Beyond the Class 4 rating itself, the Duration STORM features patented WeatherGuard Technology (polymeric impact-resistant backing) and SureNail Technology (reinforced nailing zone for superior wind resistance up to 130 mph). Standard three-tab and basic architectural shingles have neither. The difference in performance during a major hail or wind event is significant.
How long will a Class 4 roof last?
The Owens Corning Duration STORM comes with a limited lifetime warranty for as long as you own your home. With proper installation and normal maintenance, Class 4 shingles in Central Texas routinely outlast standard shingles by a wide margin — often 30 to 50 years depending on conditions.
Do I need to file a claim to get a Class 4 roof through McCannical?
No. While we frequently upgrade customers who are already going through the insurance claim process, we also install Duration STORM roofing systems for homeowners who simply want the best protection available and are paying out of pocket or financing the project. Contact us for a free inspection and estimate.
What areas does McCannical Roofing & Exteriors serve?
We serve Georgetown, Round Rock, Cedar Park, Leander, Liberty Hill, Hutto, Taylor, Jarrell, Florence, and surrounding communities throughout Williamson County and the greater Austin metro area.
Does a Class 4 roof help with wind damage, not just hail?
Yes. The Duration STORM is rated for winds up to 130 mph thanks to Owens Corning’s SureNail Technology, making it one of the strongest options available for both hail and high-wind protection.
What if my insurance adjuster already came out — is it too late to upgrade?
Not at all. As long as your claim is still open, we can work with your existing estimate. Contact us before repairs begin and we’ll walk you through the process.
Can I upgrade to Class 4 even if my roof isn’t storm-damaged?
Absolutely. Many homeowners proactively upgrade at the end of their roof’s lifespan or after a policy renewal to start capturing the insurance discount right away.
How do I prove to my insurance company that I have a Class 4 roof?
McCannical provides all necessary documentation after installation, including the manufacturer’s product certification and the completed TDI Form PC068 required by the Texas Department of Insurance. We make the discount process straightforward.
Will a Class 4 roof increase my home’s resale value?
It can. Buyers — especially in hail-prone markets like Central Texas — recognize the value of a newer, impact-resistant roof. Combined with the transferable insurance discount in many cases, it’s a meaningful selling point.
What’s the difference between Class 3 and Class 4 shingles?
Class 3 shingles offer some improved impact resistance over standard shingles but fall short of the top rating — and most Texas insurers offer little to no discount for them. Class 4 is the tier that unlocks real premium savings and meaningful storm protection. It’s generally not worth paying more for Class 3 when Class 4 is available.
How soon after installation can I contact my insurer about the discount?
Right away. Once McCannical completes your installation and provides your documentation, you can contact your insurance agent immediately to apply for the Class 4 discount — your savings can start with your very next billing cycle.