Forensic Standard v5.2
Kinetic Resistance
In the Oklahoma hail corridor, architectural shingles must do more than repel water—they must absorb and dissipate kinetic energy. Proof OK specialized in SBS Modified Polymer technology, ensuring structural integrity during high-velocity impact events.
Spectral ID: GAF-THDZ
GAF Timberline HDZ
The industry's first wind-proven limited warranty shingle, featuring LayerLock™ technology.
- Infinite Wind Speed Warranty*
- LayerLock™ Mechanical Bond
- StainGuard Plus™ Algae Defense
CONFIDENCE INDEX: 99.8%
Spectral ID: OC-DUR-STORM
OC Duration STORM
Class 4 Impact rated shingle utilizing patented SureNail® triple-layer reinforcement.
- UL 2218 Class 4 Rating
- Triple Layer Reinforcement
- WeatherGuard® Technology
CONFIDENCE INDEX: 99.4%
Forensic Material Matrix
| Component Class | Impact Rating | Wind Threshold | Energy Delta | Lifecycle |
|---|---|---|---|---|
| Premium Asphalt (SBS) | Class 4 | 130 MPH | -18% Thermal | 50 Years |
| Designer Composite | Class 4 | 110 MPH | -22% Thermal | 75 Years |
| Standing Seam Metal | Class 4 | 140 MPH | -35% Thermal | Lifetime |
| Standard Architectural | Class 1/2 | 60-90 MPH | +5% Thermal | 15-20 Years |
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