STI is the global leader in Perimeter Fire Barrier Firestopping with the widest breadth of possible Curtain Wall construction evaluated with our products. From Precast Panels and Steel Studs with EIFS to Aluminum Framing with backpans or GFRC Panels, STI has a solution to meet or exceed your project’s needs. Our SpecSeal® AS200 Elastomeric Spray forms a durable seal resisting the passage of products of combustion while accommodating for high dynamic joint movement and blending seamlessly into intersecting construction joints.When foul weather and cold climates put your project on hold our SpecSeal®FastTack™ Firestop Spray will get things back on track. FastTack™ Firestop Spray is a hybrid copolymer firestop spray that is formulated with the elements in mind. FastTack™ provides excellent fire resistive properties and unmatched washout resistance allowing you to apply material up till the first drops of rain hit the ground. With the industry’s fastest tack free times, FastTack™ is the most versatile and schedule friendly firestop spray on the market curing in even sub-zero temperatures.