Fast Tack™ Firestop Spray is a high‑performance weather‑resistant firestop coating engineered for demanding edge of slab perimeter fire barrier containment conditions. Formulated with an advanced hybrid copolymer technology, Fast Tack is designed to overcome moisture, temperature fluctuations, and jobsite weather delays—delivering industry‑leading washout resistance and the fastest tack‑free times available. Built for long‑term durability, Fast Tack Firestop Spray outperforms and outlasts competing firestop coatings, providing versatile protection for a wide range of firestop applications. Its superior adhesion, rapid curing, and exceptional weatherability make it the ideal choice for contractors seeking reliable, code‑compliant firestopping in complex curtain wall and facades conditions.