Metacaulk 350i Intumescent Firestop Sealant


Description: General-use, single-component, intumescent sealant and smoke seal for construction joints & through-penetrations of floors and walls. Economical elastomeric seal suitable for dynamic motion.
FEATURES:

  • Intumescent expands at the exposure of heat, forming a refractory char that tightly seals preventing the spread of flame, smoke and toxic fumes
  • 3-year shelf life
  • Excellent freeze-thaw
  • Non-sag, flexible cure; cures to an elastomeric seal suitable where dynamic movement is expected
  • Versatile interior use; water-based seal requires no mixing or dilution; paintable
  • Protected in wet & dry stages against mold growth with a combination of biocides
  • Safe and easy to use for most applications (including retrofit); no special skills necessary to install; can be applied with conventional caulking gun, bulk loading gun, troweled from pail, or pumped directly from pail
  • FBC System compatible

PERFORMANCE: UL Classified system up to 4 hrs; tested in accordance with ASTM E814 (UL 1479), ASTM E1966 (UL 2079), ASTM E1399, and ASTM E90; VOC compliant (CDPH Standard Method v1.2); complies to Required Environmental Exposure Testing of Accelerated Aging and High Humidity as per UL 1479 Fire Test of Through-Penetration Firestops; STC Rating 53; Compliant with the Buy America Act

Product Variations

  • 66611 - Metacaulk 350i, 20.2oz Sausage
  • 66613 - Metacaulk 350i, 5gal Pail
  • 66616 - Metacaulk 350i, 10.3oz

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