Class 4 impact-resistant shingles
Class 4 impact-resistant shingles in Overland Park
Drive through any subdivision south of 135th and half the roofs went on after the same hailstorm. Class 4 shingles exist so the next one doesn't do it again. Here's what the rating means, what your insurer will give you for it, and what it costs on an Overland Park roof.
What Class 4 actually means
UL 2218 is an impact test. A steel ball is dropped onto the shingle from a set height — for Class 4, a two-inch ball from 20 feet, roughly the energy of a two-inch hailstone — twice in the same spot, and the shingle passes if the mat doesn't crack. Class 1 through 3 use smaller balls. Class 4 is the top rating, and it's the one insurers care about.
Two ways manufacturers get there. Some use a polymer-modified (SBS) asphalt that stays flexible and absorbs the hit; others add a reinforcing scrim or thicker mat. The SBS shingles tend to do better in our winters too, because the same flexibility that shrugs off hail keeps the shingle from going brittle at 10°F. Ask which kind is on your quote.
Why it matters more here than most places
Johnson County sits under the same storm track that hits Wichita and Oklahoma City. A standard architectural shingle survives pea-size hail fine and one-inch hail poorly; inch-and-a-half stones bruise it on every slope. Class 4 shingles come through the one-inch storms with dented vents and nothing else, and through the bigger ones with far fewer hits. That is the difference between a claim every eight years and a roof that lasts its rated life.
There's a quieter reason. Kansas insurers have moved toward percentage wind-and-hail deductibles, actual-cash-value roof endorsements for older roofs, and non-renewals on roofs past 20 years. A documented Class 4 roof is the thing that keeps you on the good side of all three.
The insurance discount
Most carriers writing homeowners policies in Kansas offer a premium credit for a Class 4 roof. The size varies by insurer and by the shingle's exact listing, and some require the roof be installed after a certain date or that you file a certificate from the roofer. We give you that certificate on every Class 4 job, with the product name, UL listing and install date, so your agent can apply the credit. Call your agent before you decide — the number is different at every carrier and it's the number the math turns on.
What it costs
Class 4 architectural shingles run about $15–$35 per square more than a standard architectural shingle of the same brand, installed. On a typical Overland Park two-story that's a premium of $1,000–$3,000 on a $12,000–$18,000 replacement. On an insurance-paid roof, the upgrade is often the only out-of-pocket beyond the deductible, and it's the best money on the invoice.
| Standard architectural | Class 4 architectural | |
|---|---|---|
| Installed cost per square | $450–$800 | $470–$835 |
| Typical 28-square roof | $12,600–$22,400 | $13,200–$23,400 |
| Survives 1-inch hail | Usually not | Usually yes |
| Insurance credit | None | Varies by carrier |
Typical ranges, not a quote. The cost page has the full breakdown.
What it isn't
Class 4 isn't hail-proof. Two-inch stones will mark anything, and a Class 4 roof after a severe storm can still be a claim — the difference is you'll be filing every fifteen years instead of every eight. It also doesn't fix a bad install: a Class 4 shingle nailed high, with no ice-and-water at the eaves and a starved attic, wears out like any other roof. And metal roofing Overland Park homeowners sometimes ask about instead does resist hail, but most metal panels dent cosmetically, and many Kansas policies exclude cosmetic damage on metal.
Our recommendation
On nearly every full replacement in Johnson County: yes. On a repair, no — you can't patch Class 4 into a standard roof and get the credit. If you're deciding, the hail damage page explains how a claim-paid roof makes the upgrade nearly free, and we'll put the standard and Class 4 numbers side by side on your written estimate so you can see the actual difference for your roof.
Other roofing services
Roof Repair
One bad boot, one open flashing seam, one creased slope after a windy night. Traced from the attic, priced in writing, fixed the same week where we can.
Roof Repair →Roof Replacement
Tear-off to the deck, synthetic underlayment, ice-and-water at the eaves, architectural or Class 4 shingles. One to two days, $9,000–$22,000 on most homes.
Roof Replacement →Hail Damage & Insurance Claims
Walked inspection, marked test squares, a scope your adjuster can follow, and the roof itself. No deductible games, no door-knocking.
Hail Damage & Insurance Claims →Roof Inspection
A walked inspection with photos and a written report — for buying a house, an insurance requirement, or finding out how many years the roof has left.
Roof Inspection →Questions we get asked
How much more do Class 4 shingles cost in Overland Park?
About $15–$35 per square installed over a standard architectural shingle from the same maker, so $1,000–$3,000 on a typical home. On a replacement paid by an insurance claim that premium is frequently the only upgrade cost you'll see beyond the deductible.
Does every insurer give a discount for Class 4?
Most Kansas carriers do, but the amount ranges widely and a few tie it to specific product listings or install dates. Ask your agent for the exact credit before you decide. We give you a signed certificate with the product and UL 2218 listing so the credit can be applied.
Will a Class 4 roof still need a claim after a big storm?
It can. Class 4 shrugs off the one-inch hail that totals a standard roof, but two-inch stones will mark anything. What changes is frequency — Class 4 roofs in Johnson County tend to make it to their rated life instead of getting replaced every hail cycle.
Need roof work in Overland Park?
Call for a free estimate. Mon–Sat 7am–7pm.