Metacaulk® 1200 Firestop Mastic (Red) 5 Gallon Bucket

RectorSeal’s Metacaulk 1200 is a versatile 5-gallon sprayable sealant specifically engineered for fire-rated applications. This product stands out as an exceptional option for filling joints and gaps in both vertical and horizontal surfaces, offering reliable acoustic sealing properties while accommodating areas subject to vibration or movement. It meets stringent fire resistance standards, rated for up to four hours in accordance with ASTM E1966 and UL 2079, ensuring optimal safety in construction projects.