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Metacaulk 66648 10.3 oz 150+ Firestop Sealant

  • It is a one-component, general purpose, fire-rated sealant and smoke seal for construction joints and through-penetrations
  • A water-based, non-sag caulking grade sealant that is easy to apply as well as to retrofit
  • An economic choice for most common applications
  • UL Classified
Crack / Crevice
Metacaulk MC 150+ is a one component, general purpose fire-rated sealant and smoke seal for construction joints and through-penetrations. It prevents the spread of flames, smoke, and gas through penetration openings. Metacaulk MC 150+ is a water based, non-sag caulking grade sealant that is easy to apply as well as to retrofit. Metacaulk MC 150+ can be used on various penetrations such as top of the wall construction joints, deflection track wall systems, EMT, telephone and power cables in concrete floors and walls, gypsum walls as well as wood floors. Metacaulk MC 150+ may be applied with a caulking gun or trowel. For large applications, it may be pumped from the pail. Metacaulk MC 150+ cures to an elastomeric seal that is suitable where dynamic movement is expected. STC rating 51*. *Tested in a UL 411 wall assembly/section to ASTM E90.

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