Metacaulk 1000 Series 66640 Firestop Sealant, Red, 40 to 120 deg F, 10.3 oz Cartridge

Description

One component, general purpose fire rated sealant and smoke seal for construction joints and through-penetrations. Extremely intumescent, non-sag caulking grade sealant. Cures to an elastomeric seal that is suitable where dynamic movement is expected. 10.3 oz covers about 18 cu-in.