• Material: Composite of asphalt polymers, making it vapor-tight, elastic, and sticky.
• Function: Provides a protective barrier that stretches and seals around nails to prevent water penetration in vulnerable roof areas.
• Role: Key component of the CertainTeed Integrity Roof System®, which includes underlayments, shingles, accessory products, and ventilation for optimal performance in all weather conditions.
• Finishes: Available in two surface types:
• Granular: Embedded granules for superior traction during application.
• Sand: Embedded sand to enhance traction during application.

Overall, WinterGuard® offers a reliable solution for protecting your roof from water penetration, ensuring durability and performance.