Metacaulk® 835+ Firestop Silicone Sealant 10oz Tube (Case of 12)

Engineered for exceptional performance, Metacaulk 835+ is a versatile sealant that effectively prevents the spread of fire through various wall and floor structures, including fire-rated gypsum wallboard and concrete. With an impressive STC rating of 55, it is compatible with FlowGuard Gold, BlazeMaster, and Corzan piping systems, ensuring comprehensive protection and reliability for electrical, plumbing, and telecommunications penetrations. This sealant features a flexible, non-slump formula that cures neutrally, offering excellent moisture resistance and safeguarding against mold growth with integrated biocides. Ideal for both interior and exterior applications, Metacaulk 835+ can be easily applied in expansion joints and control joints using standard caulking equipment or pumps, making it a practical choice for diverse sealing needs. With a shelf life of two years, it’s a dependable solution for long-term protection and durability.