Self-adhering modified bitumen sheet for prevention of water penetration caused by wind blown rain or ice damming. Use for roof decks (rakes and eaves), valleys, and ridges. Mineral surfacing provides enhanced skid resistance. Fiberglass reinforcement. Flexible SBS modified asphalt seals tightly around nails to prevent water penetration. Split plastic release film for easier installation and handling. Self-adheres directly to plywood decks. Do not heat or burn this product.