The GAF Master Flow Zinc Moss Preventer is used for long lasting protection against moss and fungus. Zinc Moss and Mildew Preventer installs easily near the roof ridge. It can be used with composite, shake or tile roofs and is EPA approved.
- Helps prevent the growth of mold and mildew near the roof
- For use with composition (shingle), shake or tile roofing
- For long-lasting protection against moss and fungus
- Installs easily near the roof ridge
- EPA approved
- With each rain, zinc is released from the strip and prevents the growth of moss below the strip