10.3 oz. Metacaulk MC 150+ Firestop Sealant (Red )

SKU: 1891


Metacaulk MC 150+ is an elastomeric, one component, general purpose firestop sealant.

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  • Fire rated sealant and smoke seal for construction joints and through-penetrations on both horizontal and vertical surfaces.
  • Water-based, non-sag caulking grade sealant that is easy to apply as well as to retrofit.
  • Cures to a paintable flexible seal.
  • Prevents the spread of flames, smoke, hot gases and water through joint openings and through-penetrations. Can be used in areas under constant vibration or movement.
  • Excellent freeze/thaw. Recommended for metal, fiberglass and plastic pipes, wall construction joints, power and telephone cables.
  • Tested to ASTM G21 mold inhibitor. Sound Transmission Class (STC) rating 65. (ASTM E90) VOC compliant. 3 year shelf life. Meets ASTM E814, Standard Test Method for fire tests of Penetration Firestop Systems
Weight 0.8 lbs

10.3 oz.