Fire Barrier Sealant, Size 20 oz., Limestone, Container Type Tube, Application Method Caulk Gun, Up to 4 hr. Fire Rating, Material Silicone, Standards ASTM E814 (UL 1479), ASTM E1966 (UL 2079), ASTM E1399, ASTM E119 (UL 263), ASTM C920, LUBRIZOL SYSTEM COMPATIBLE TESTED, UL CLASSIFIED, FM APPROVED.