High-performance intumescent silicone achieves the benefits of a firestop and watertight seal.
-
Up to 4-hour fire ratings per ASTM E 814 (UL 1479)
-
Excellent weatherability — ideal for fast-track construction
-
Cures upon exposure to atmospheric humidity
-
Re-enterable and repairable
-
Fungal growth inhibited in the product per ASTM G 21