WeatherMaster 200 (Granular) underlayment provides a secondary layer of waterproofing protection needed to help prevent damage from ice dams and windblown rain. This self-adhering modified bitumen underlayment creates a watertight barrier by sealing to the deck and around nails to provide continuous protection year after year. WeatherMaster helps protect the entire deck of a properly ventilated roof or just those problem areas where water collects or drainage is slow. And, since it can go under any roofing material from asphalt shingles to tile, you can enjoy maximum protection with the architectural look you want.
- Skid resistant surface for better traction and safer application.
- UV protected surface–45 days exposure.
- High temperature stability - 200°F.
- Self-adhesive backing seals directly to the deck.
- Aggressive bond at low temperatures, 45ºF min.
- Repositionable at installation.
- SBS-modified asphalt coating helps seal around nails for a watertight result.
- Fiberglass mat is stronger and provides better tear resistance than saturated felt.
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Additional Information
Manufacturer: Atlas Roofing Corporation
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