Smoke & Acoustic Sealant

RectorSeal Smoke and Acoustic Sealant is high-grade acrylic latex sealant that permanently seals penetrations, membrane openings, & static/dynamic joints in smoke & sound-rated assemblies. Tested to ASTM E84, ASTM E90, ASTM E1399, ASTM C834.

  • Tested for air leakage in accordance to modified UL 1479 and modified UL 2079.
  • Low VOC and Meets LEED criteria under Environmental Air Quality and Regional Materials.
  • Paintable, Flexible set and Easy to dispense. Water clean up, May be used in vertical and horizontal assemblies in linear joints in walls or floors.
  • Interior grade and Protected in wet and dry stages against mold growth with a combination of biocides.
  • STC rating 69- highest STC rating in market (tested to E90 standards as a smoke sealant)

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For interior use to prevent smoke passage & impede sound transfer in non-fire rated assemblies. Can install around pipe, conduit, electrical cable/boxes ventilation duct, & other through/membrane penetration in non-fire rated assembly.
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Brand : Metacaulk