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Firestop Mastic MC 150

Firestop Product Information:

Metacaulk® MC 150+ is a one component, general purpose fire rated sealant and smoke seal for construction joints and throughpenetrations.
Metacaulk® MC 150+ is a water based, non-sag caulking grade sealant that is easy to apply as well as to retrofit. It cures to an elastomeric seal that is suitable where dynamic movement is expected. In the event of a fire, Metacaulk® MC 150+ will prevent the spread of flames, smoke, hot gases and water through joint openings and through-penetrations. No dilution or mixing is required for use. No special skills are necessary for installation. Metacaulk® MC 150+ is applied with a conventional caulking gun, bulk loading gun or can be troweled from the pail. For large applications, it can be pumped directly from the pail. Metacaulk® MC 150+ systems are rated for 1 and 2 hours in accordance with ASTM E814 (UL1479) and ASTM E1966 (UL 2079) test standards. MC 150+ is protected in a wet stage as well as in a dry stage against mold growth with a combination of biocides.
Use Metacaulk® MC 150+ for various applications:
Top of the Wall Construction Joints Deflection Track Wall Systems Up to 2" (51 mm)PVC/CPVC & ABS (Closed) Steel, Copper, Cast Iron and EMT Pipe Telephone, Communication and Power Cables For a complete list of product applications or for additional technical information, call RECTORSEAL for the latest information.

 

 

Firestop Additional Information:

Designed primarily for sealing penetrations for non-combustible penetrants. Metacaulk MC 150+ has been tested and approved for single metallic pipe penetrations, common electrical and communications cable penetrations, as well as multiple penetrants through both masonry and gypsum wallboard constructions. Metacaulk MC 150+ has also been tested for use in fire rated construction joints.

Firestop Product Document Downloads:

data150.pdfMetacaulk_MC_150_MSDS.pdf

Firestop Key Features:

  • Firestop tested up to 3 hours in accordance with ASTM E 814 (UL 1479) &CAN/ULC S115
  • Fire Resistive Joint System tested up to 4 hours in accordance with ASTM E 1966 (UL 2079)
  • ±19% movement capability
  • Helps minimize noise transfer
  • Applied with conventional caulking equipment (excellent caulk rate)
  • Halogen-free
  • Sag-resistant
  • Excellent adhesion
  • Paintable
  • Re-enterable/repairable

Firestop Typical Applications:

Firestops construction joints including: bottom-of-wall, head-of-wall and wall-to-wall. Typical through penetrations firestopped include: metallic pipe, non-metallic pipe (excluding CPVC), insulated pipe, conduit, power and communication cables, combos, insulated pipe and HVAC duct penetrations.