● CurrentICC-ES · all statesLast checked Oct 21, 2026
CertainTeed WinterGuard Series Roof Underlayment
ESR-1492 · CertainTeed
ICC-ES reportESR-1492
IssuedJan 2026
Valid untilJan 2027
Details
- Maker
- CertainTeed
- Category
- Valley / leak barrier
- Issued by
- ICC-ES
Products in this report
WinterGuard Granular · WinterGuard HT · WinterGuard Sand · MetaLayment · DryRoof SA · WinterGuard Metal
Official document
Building inspectors in most states accept a current evaluation report as proof the product meets the building code. All evaluation reports →
Public record. Always verify on the official source before you permit.