Is a high quality-grade, water-based white elastomeric mastic which has exceptional workability. It cures to form a seamless flexible, waterproof membrane that will expand and contract with the movement of the roof surface. This product is designed for use at various flashing and detail conditions when installing Mule-Hide elastomeric roof coating systems. A-200 Flashing Fibrated offers excellent adhesion, flexibility, high tensile strength, and resistance to ultraviolet degradation.