9" Form FlashingProduct Information 9" Form Flashing is a flexible, durable roofing accessory designed to provide a watertight seal around roof penetrations, edges, and joints. Made from high quality, weather resistant materials, it conforms easily to roof contours, ensuring a tight fit that prevents water ingress and protects underlying structures. Ideal for use with flat and low pitch roofs, 9" Form Flashing is simple to install and creates a clean, professional