Acoustic Sealant is a high strength, permanently flexible sealant and adhesive specifically formulated for sealing perimeters and gaps where sound may escape. Also used to dampen vibration around perimeters to reduce flanking vibration and filling and sealing any holes where services have been installed. Smoke and Acoustic Sealant is high grade acrylic latex sealant formulated to provide a seal for penetrations, membrane openings, and static or dynamic joints in smoke or sound rated assemblies.