Metacaulk® MC 150+ Firestop Sealant Red 20oz Sausage Tube (Case of 12)

RectorSeal’s Metacaulk 150+ is a versatile and efficient fire-rated sealant designed for both interior applications and construction joints on various surfaces. This water-based, non-sag formula is not only VOC compliant but also protects against mold growth in both wet and dry conditions, thanks to its unique blend of biocides. It boasts an impressive STC rating of 51, making it an excellent choice for soundproofing and fire-stopping applications.