Acoustiblok Sound Sealant is a fire-rated caulk with superior acoustical isolation properties, formulated to bond to Acoustiblok material. All joints and penetrations in Acoustiblok material must be sealed, to obtain rated sound reduction values. Available in 10 oz & 29 oz tubes, and 20 oz "sausage packs".

Sound reduction installations require as airtight of a seal possible. Provides excellent sealing properties and decouples adjacent surfaces, helping to minimize structural sound transmission. Very flexible and maintains its flexibility over time. Specifically formulated to work with the Acoustiblok Sound Isolation Material.