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Are GAF Timberline AS II Shingles Good for Hail in Bolivar MO

June 7, 2026 Storm Damage Repair Bolivar, Missouri
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Bolivar homeowners who have dealt with hail damage may want more than a standard architectural shingle when it is time for replacement. GAF Timberline AS II shingles are designed with SBS-modified asphalt and are marketed as passing UL 2218 Class 4 impact-resistance testing. That makes them worth considering in hail-prone areas, but homeowners should still understand the difference between impact resistance and guaranteed hail protection.

Quick answer:

GAF Timberline AS II shingles can be a strong option for hail-prone Bolivar homes because they use SBS-modified asphalt and carry a Class 4 impact-resistance rating. They can still be damaged by severe hail and should be inspected after major storms.

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Why AS II Gets Attention After Hail

After a homeowner has gone through a hail claim or roof replacement, impact resistance often becomes more important. AS II is designed for homeowners who want a shingle built with hail exposure in mind.

What Class 4 Means

UL 2218 Class 4 is the highest rating in that impact test system. It shows that the product passed a controlled lab test, but real storms are more complicated than lab testing.

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Whether the issue is a leak, aging shingles, hail damage, wind damage, or exterior water concerns, Storm Damage Repair Contractors can help review the issue and explain the next step.

Why Hail Can Still Cause Damage

Large hail, jagged hail, wind-driven impact, repeated strikes, and aging roof materials can still cause problems. Granule loss, bruising, flashing dents, and vent damage should still be checked.

Soft Metals Still Need Inspection

Even when impact-resistant shingles perform well, vents, gutters, downspouts, pipe boots, and flashing may show hail impacts. These components matter for insurance documentation and water-shedding performance.

Cost Versus Value

AS II may cost more than a standard architectural shingle. The value may be stronger for homeowners with repeated hail exposure, insurance considerations, or long-term plans to stay in the home.

Choosing AS II After A Storm

If the existing roof has hail damage, a contractor should inspect the full system before recommending an upgrade. Decking, ventilation, underlayment, and flashing can affect whether the new roof performs as expected.

Frequently Asked Questions

Can GAF AS II shingles still get hail damage?

Yes. Impact-resistant shingles can still be damaged by severe real-world hail.

Are AS II shingles worth it after a hail claim?

They may be worth considering if hail exposure and long-term storm performance are priorities.

Does Class 4 guarantee insurance savings?

No. Insurance discounts vary by carrier, policy, and location.

Should the roof be inspected after hail if it has AS II?

Yes. Shingles and roof accessories should still be inspected after major hail.

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