Rectorseal Metacaulk SAS 90 Smoke & Acoustic Sealant, 28oz

Rectorseal Metacaulk SAS 90 Smoke & Acoustic Sealant, 28oz Rectorseal Metacaulk SAS 90 is a high-quality, latex-based sealant designed to reduce sound transmission and maintain the required Sound Transmission Class (STC) for airborne sound in accordance with International Building Code (IBC) standards. It forms a durable, flexible, and paintable barrier that prevents the passage of smoke and toxic gases through non-fire-rated penetrations and joints in smoke barrier partitions. Rectorseal Metacaulk SAS 90 is a top choice for professionals looking for a reliable, long-lasting solution for their sound and smoke sealing needs. Its ease of use and flexibility make it an ideal choice for any project that requires a high-quality sealant to achieve the desired STC rating and prevent smoke and gas infiltration. Rectorseal Metacaulk SAS 90 Smoke & Acoustic Sealant, 28oz Features: Excellent freeze-thaw resistance Strong, long-lasting bond with high adhesion Flexible, non-sag set with