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Rectorseal - 66648 Metacaulk 150+ is a general fire rated sealant for construction joints 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
Features
- 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
