Smoke and Sound Stop is a compressible rectangular foam that provides a flexible backing for smoke and sound abatement at interior building joints and is sound tested according to ASTM E90. Smoke and Sound Stop is continuous lengths of flexible, fabricated open cell polyurethane.

Features

• Should be installed at interior perimeter building joints only, free from all loose materials, dry and free from frost, not recommended for wet areas.
• The rectangular profile is easily compressed into the gap between the edge of the drywall and adjoining structure.
• The open cell composition provides a flexible backing capable of receiving finishing materials such as drywall joint compound and tape or sealant.
• Exposed surface shall be covered with tape and joint compound, or sealant, or decorative trim.
• Maintains flexibility for the life of the interior building joint and will not shrink or pull away or harden over time.
• Will resist oil, gasoline and most solvents, the material is odorless, will not stain, and the open cell composition prevents out-gassing.