Flexibility & pliability
+100%
Pliability rating
Why it matters
Cold makes asphalt brittle. A shingle that cannot flex cracks as the roof expands and contracts.
What the test found
The untreated control rated −3; the treated shingle rated −6 — double the pliability.
Results
| Measure | Result vs untreated control |
|---|---|
| Control −3 → treated −6 | +100% |
Tested by Certerra, 2025, an accredited independent laboratory. Comparison is against untreated shingles of the same age.
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