Smoke and Acoustic Sealant (SAS)

DESCRIPTION: High-grade acrylic latex sealant that permanently seals non-rated through-penetrations, membrane openings, and static & dynamic joints in smoke & sound-rated assemblies, impeding the transfer of sound.


  • Interior use; excellent for large openings; may be used in vertical and horizontal assemblies in linear joints in walls or floors
  • 3-year shelf life
  • Flexible set, water cleanup capabilities; paintable; easy to dispense
  • Protected in wet & dry stages against mold growth with a combination of biocides

PERFORMANCE: Tested in accordance with ASTM E834 and ASTM E90; VOC compliant (CDPH Standard Method v1.2); tested by a third party independent laboratory to the ASTM G21 standard with Fungal Growth Rating results of zero; meets LEED criteria under Environmental Air Quality and Regional Materials; STC rating 69; Compliant with the Buy America Act

Product Variations

  • 66650 - Smoke & Acoustic Sealant Spray, 5 gal White
  • 66652 - Smoke & Acoustic Sealant Caulk, 20 oz White



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