Proflex Primer F1524 Blue (Part A and Part B) Proflex Primer F1524 - Clear Blue is a unique, extremely flexible, two-component epoxy membrane. It exhibits excellent tensile strength and elongation under ambient and colder temperatures. This product is solvent-free. Advantages: 100% solids for low odor during installation Less hazardous Self-priming and leveling on properly prepared surfaces Strong adhesion to wide variety of substrates Self-leveling when sufficient material is applied Fills depressions, spalled areas, and cracks Absorbs movement to help prevent reflective cracking Remains flexible over a wide range of temperatures Adheres to asphalt substrates