Rectorseal Compounds 66640 Metacaulk Firestop Sealant, 1000 Intumescent, 10.3 OZ, Container: Cartridge, Red, Coverage: 18 CU-IN, Odor: Mild, Voc: Less Than 10 GM/L, Specific Gravity: 1.25, Form: Paste, Cure Time: 3 - 4 Weeks At 77 DEG F, pH Value: 6.5 - 7, C/US UL Listed, FM Approved, FBC System Compatible, Meets ASTM E814, UL 1479 And UL 2079, For Metal, Insulated, Fiberglass And Plastic Pipes, Wall Construction Joints, Power And Telephone Cables