Metacaulk® 1000 Intumescent Firestop Sealant 66309 5 Gallon Bucket

RectorSeal’s Metacaulk 1000 in 5-gallon pails is designed to provide superior fire protection and acoustic sealing capabilities in a variety of construction applications. This highly intumescent sealant, which conforms to ASTM E 814, UL 1479, UL 2079, and ULC-S115-95 standards, ensures robust performance with ratings of up to 4 hours, making it suitable for use in fire-rated environments. Formulated as a flexible, non-sag caulking grade, it is easy to apply without requiring dilution or mixing, allowing for straightforward installation with a conventional caulking gun or bulk loading gun.