Metacaulk MC150+ Firestop Sealant—Cartridge

Category:

Spec Sheet
Item Codes:

RSMC150+ (10.3 oz) #66648
RSMC150+20.2 (20.2 oz) #66385

Activated with fire exposure, Metacaulk MC 150+ is a general fire-rated sealant for construction joints and through penetrations. Prevents spread of flames/smoke/hot gases/water. All systems rated for up to 4 hours as per ASTM E814 (UL1479) & ASTM E1966 (UL 2079) test standards.

  • Water-based and non-sag. VOC compliant. Protected in wet & dry stages against mold growth with a combination of biocides
  • Flexible set and Excellent freeze-thaw. Cures to an elastomeric seal suitable where dynamic movement is expected
  • For interior use & paintable. Safe & easy to use for most applications; No dilution/mixing is required. Easy to apply & retrofit. Can be applied with conventional caulking gun, bulk loading gun, troweled from pail, or pumped directly from pail
  • STC rating 51
  • Minimum 3-year shelf life and Intumescent