Class 4 impact resistant roofing shingles.
Roof shingles impact resistant.
In a class 4 ul 2218 impact resistance test a 2 inch steel ball is dropped from 20 feet to see if the shingles will fracture.
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The ul 2218 is the roofing.
With a regular shingle most of our competitors impact resistant shingles are only class 3 cracks and ruptures will appear from that kind of impact.
With class 4 shingles there are no splits or tears.
Storms that bring hail airborne debris and high winds put your roof at risk for damage and installing impact resistant shingles may.
As hail is propelled onto a non impact resistant shingle it knocks off granules of the shingle s outer layer exposing it to uv damage that can degrade the roof and make it vulnerable to leaks.
If the shingle cracks it is not.
Shingles with the class 4 rating have an impact resistance rating of ul 2218.
After a hail storm your shingles may still experience some granular loss and dents at impact points.
These shingles may be made of copper aluminum resin and plastic.
Ir shingles are impact resistant not impact proof.
Shingles that are impact resistant are considered a class 4 product and are designed to withstand high winds and hail damage.
So while an ir shingle may reduce these effects the real benefit lies in the rubberized material making your shingle less likely to crack from the impact.