METACAULK 66640 1000 Firestop Sealant

Rectorseal 66640 Metacaulk 1000 Fire Stopping Sealant

• General-purpose fire rated sealant for thorough penetrations on
• vertical or horizontal surfaces
• Designed for use in floors and concrete or gypsum walls
• Can be used on PVC, polybutylene or insulated pipes UL
• classified up to 4 hours
• Flexible set, low odor, paintable
• Meets ASTM E814, UL1479 and UL 2079 standards

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.